Indicators

pH indicators for easy qualitative pH measurements and reaction analysis. Ample coverage of a wide range of pH values.

100
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products per page. 565 products on this category.

Product data	Purity	Price range	Estimated delivery
Eriochrome Black T (1:100 diluted with NaCl) REF: 3B-E0487CAS: 1787-61-7	- - -	23.00 €	Fri 02 Aug 24
2',7'-Dichlorofluorescein [for Fluorescent indicator] REF: 3B-D0371CAS: 76-54-0	>95.0%(HPLC)	27.00 €~130.00 €	Fri 02 Aug 24
Phenol Red (0.1% in ca. 20% Ethanol) [for Titration] REF: 3B-P0703CAS: 143-74-8	- - -	45.00 €	Fri 02 Aug 24
Bromophenol Blue (0.1% in ca. 50% Ethanol) [for Titration] REF: 3B-B0118CAS: 115-39-9	- - -	47.00 €	Fri 02 Aug 24
Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate REF: 3B-E0091CAS: 6381-92-6	>99.5%(T)	29.00 €~84.00 €	Fri 02 Aug 24
Thymol Blue REF: 3B-T0235CAS: 76-61-9	- - -	30.00 €~95.00 €	Fri 02 Aug 24
Thymolphthalein REF: 3B-T0237CAS: 125-20-2	- - -	24.00 €~57.00 €	Fri 02 Aug 24
Malachite Green, Oxalate REF: 3B-M0497CAS: 2437-29-8	>95.0%(T)	45.00 €	Fri 02 Aug 24
α-Naphtholphthalein REF: 3B-N0031CAS: 596-01-0	>98.0%(HPLC)	40.00 €~111.00 €	Fri 02 Aug 24
Titan Yellow REF: 3B-C0549CAS: 1829-00-1	- - -	196.00 €	Fri 02 Aug 24
Murexide REF: 3B-M0474CAS: 3051-09-0	- - -	22.00 €~70.00 €	Fri 02 Aug 24
p-Naphtholbenzein REF: 3B-N0028CAS: 145-50-6	- - -	225.00 €	Fri 02 Aug 24
Calcein Blue REF: 3B-U0001CAS: 54375-47-2	>98.0%(T)	249.00 €	Fri 02 Aug 24
Bromocresol Green REF: 3B-B0578CAS: 76-60-8	- - -	23.00 €~184.00 €	Fri 02 Aug 24
Methoxy Red REF: 3B-M0129CAS: 68936-13-0	>85.0%(T)	356.00 €	Fri 02 Aug 24
Acid Yellow 36 REF: 3B-M0490CAS: 587-98-4	- - -	29.00 €	Fri 02 Aug 24
Acid Red 91 REF: 3B-E0204CAS: 548-24-3	- - -	34.00 €	Fri 02 Aug 24
Sodium Diphenylamine-4-sulfonate REF: 3B-D0877CAS: 6152-67-6	>97.0%(HPLC)(N)	44.00 €~482.00 €	Fri 02 Aug 24
Methyl Red (0.1% in ca. 95% Ethanol) [for Titration] REF: 3B-M0067CAS: 493-52-7	- - -	43.00 €~90.00 €	Fri 02 Aug 24
Benzopurpurine 4B REF: 3B-B0781CAS: 992-59-6	- - -	546.00 €~1,346.00 €	Fri 02 Aug 24
Bromophenol Blue Sodium Salt REF: 3B-S0043CAS: 34725-61-6	>85.0%(HPLC)	39.00 €~140.00 €	Fri 02 Aug 24
Variamine Blue B Sulfate (=4-Amino-4'-methoxydiphenylamine Sulfate) [for Iron-Titration] REF: 3B-M0495CAS: 3169-21-9	>97.0%(N)	22.00 €~184.00 €	Fri 02 Aug 24
Methyl Orange (0.1% in Water) [for Titration] REF: 3B-M0017CAS: 547-58-0	- - -	41.00 €	Fri 02 Aug 24
Phenolphthalein REF: 3B-P0094CAS: 77-09-8	>98.0%(T)	27.00 €~88.00 €	Fri 02 Aug 24
Alizarin Yellow GG REF: 3B-A0578CAS: 584-42-9	>97.0%(HPLC)	57.00 €	Fri 02 Aug 24
Magneson REF: 3B-N0135CAS: 74-39-5	- - -	27.00 €~44.00 €	Fri 02 Aug 24
Eriochrome Black T REF: 3B-E0214CAS: 1787-61-7	- - -	60.00 €	Fri 02 Aug 24
Cresol Red REF: 3B-C0406CAS: 1733-12-6	>98.0%(HPLC)	25.00 €~90.00 €	Fri 02 Aug 24
Phthalein Complexon Sodium Salt REF: 3B-P0344CAS: 62698-54-8	- - -	123.00 €	Fri 02 Aug 24
Acid Blue 119 REF: 3B-A0596CAS: 1324-80-7	- - -	39.00 €~114.00 €	Fri 02 Aug 24
Bromophenol Red REF: 3B-B0632CAS: 2800-80-8	>80.0%(HPLC)	53.00 €~723.00 €	Fri 02 Aug 24
Methylthymol Blue Sodium Salt REF: 3B-B0478CAS: 1945-77-3	>95.0%(HPLC)	48.00 €~553.00 €	Fri 02 Aug 24
3-(2-Pyridyl)-5,6-bis(4-sulfophenyl)-1,2,4-triazine Disodium Salt REF: 3B-P0830CAS: 1264198-47-1 28048-33-1	>95.0%(T)(HPLC)	53.00 €	Fri 02 Aug 24
Ethyl Bis(2,4-dinitrophenyl)acetate REF: 3B-B0817CAS: 5833-18-1	>98.0%(HPLC)	78.00 €	Fri 02 Aug 24
Benzyl Orange REF: 3B-B0425CAS: 36402-77-4	- - -	74.00 €~233.00 €	Fri 02 Aug 24
Indigotetrasulfonic Acid Tetrapotassium Salt REF: 3B-I0019CAS: 28699-96-9	>90.0%(HPLC)	88.00 €	Fri 02 Aug 24
Basic Green 1 REF: 3B-B0789CAS: 633-03-4	- - -	36.00 €	Fri 02 Aug 24
2',7'-Dichlorofluorescein Sodium Salt REF: 3B-D0424CAS: 3946-85-8 80471-69-8	>98.0%(T)	37.00 €~413.00 €	Fri 02 Aug 24
Cresol Red Sodium Salt REF: 3B-S0046CAS: 62625-29-0	- - -	29.00 €~194.00 €	Fri 02 Aug 24
Fluorescein REF: 3B-F0095CAS: 2321-07-5	- - -	29.00 €~100.00 €	Fri 02 Aug 24
Phenolphthalein (1% in ca. 85% Ethanol) [for Titration] REF: 3B-P0700CAS: 77-09-8	- - -	30.00 €~62.00 €	Fri 02 Aug 24
Pentamethoxy Red REF: 3B-P0631CAS: 1755-51-7	min. 98.0 area%(HPLC)	104.00 €~1,130.00 €	Fri 02 Aug 24
PAN [=1-(2-Pyridylazo)-2-naphthol] [Metal indicator and spectrophotometric reagent for transition metals] REF: 3B-A5000CAS: 85-85-8	>98.0%(T)(HPLC)	34.00 €~78.00 €	Fri 02 Aug 24
Copper PAN REF: 3B-C0385CAS: 23299-85-6	- - -	38.00 €~181.00 €	Fri 02 Aug 24
Phenolphthalein (0.1% in ca. 90% Ethanol) [for Titration] REF: 3B-P0701CAS: 77-09-8	- - -	33.00 €~69.00 €	Fri 02 Aug 24
Methyl Yellow REF: 3B-D0231CAS: 60-11-7	>98.0%(T)(HPLC)	43.00 €	Fri 02 Aug 24
Bromoxylenol Blue REF: 3B-B0998CAS: 40070-59-5	- - -	70.00 €~208.00 €	Fri 02 Aug 24
Sudan III REF: 3B-S0142CAS: 85-86-9	>90.0%(E)	33.00 €~72.00 €	Fri 02 Aug 24
Dithizone REF: 3B-D0949CAS: 60-10-6	>85.0%(E)	91.00 €	Fri 02 Aug 24
Basic Red 2 REF: 3B-S0145CAS: 477-73-6	- - -	40.00 €~277.00 €	Fri 02 Aug 24
Brilliant Yellow REF: 3B-B0783CAS: 3051-11-4	- - -	339.00 €	Fri 02 Aug 24
Bromothymol Blue Sodium Salt REF: 3B-S0044CAS: 34722-90-2	- - -	58.00 €~208.00 €	Fri 02 Aug 24
Thorin [for Determination of Th, etc.] REF: 3B-H0240CAS: 3688-92-4	>97.0%(T)(HPLC)	38.00 €	Fri 02 Aug 24
Phenol Red Sodium Salt REF: 3B-P0102CAS: 34487-61-1	min. 90.0 area%(HPLC)	27.00 €~44.00 €	Fri 02 Aug 24
Methylene Blue Hydrate REF: 3B-M0501CAS: 122965-43-9 61-73-4	>70.0%(W)	34.00 €	Fri 02 Aug 24
Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic Acid REF: 3B-T0806CAS: 869-52-3	>98.0%(T)	79.00 €~236.00 €	Fri 02 Aug 24
Pyrogallol Red REF: 3B-P0572CAS: 32638-88-3	- - -	40.00 €~128.00 €	Fri 02 Aug 24
Bromophenol Blue REF: 3B-B0631CAS: 115-39-9	- - -	26.00 €~83.00 €	Fri 02 Aug 24
Metacresol Purple Sodium Salt REF: 3B-S0045CAS: 62625-31-4	>95.0%(HPLC)	31.00 €~113.00 €	Fri 02 Aug 24
Methyl Red REF: 3B-M0421CAS: 493-52-7	>98.0%(HPLC)	22.00 €~58.00 €	Fri 02 Aug 24
2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid (1:100 diluted with K2SO4) REF: 3B-H0250CAS: 3737-95-9	- - -	27.00 €~64.00 €	Fri 02 Aug 24
o-Cresolphthalein REF: 3B-C0404CAS: 596-27-0	- - -	48.00 €~119.00 €	Fri 02 Aug 24
Methyl Orange REF: 3B-M0489CAS: 547-58-0	>98.0%(HPLC)	76.00 €	Fri 02 Aug 24
Chlorophenol Red REF: 3B-C0245CAS: 4430-20-0	>93.0%(HPLC)	29.00 €~75.00 €	Fri 02 Aug 24
Uranine REF: 3B-F0096CAS: 518-47-8	>95.0%(HPLC)	22.00 €~185.00 €	Fri 02 Aug 24
Sulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba] REF: 3B-A5010CAS: 68504-35-8	>90.0%(HPLC)	94.00 €~423.00 €	Fri 02 Aug 24
4-Nitrophenol REF: 3B-N0220CAS: 100-02-7	>99.0%(GC)(T)	30.00 €~116.00 €	Fri 02 Aug 24
5'-Isopropyl-2'-methylindophenol Sodium Salt [Redox Indicator] REF: 3B-M0408CAS: 5418-43-9	- - -	49.00 €	Fri 02 Aug 24
Pararosolic Acid REF: 3B-A0598CAS: 603-45-2	- - -	66.00 €	Fri 02 Aug 24
Calcein Sodium Salt (mixture of isomers) [for Fluorometric Determination of Ca] REF: 3B-C0003	- - -	173.00 €	Fri 02 Aug 24
Acid Red 87 REF: 3B-T0037CAS: 17372-87-1 548-26-5	>90.0%(E)	30.00 €	Fri 02 Aug 24
Indigotrisulfonic Acid Potassium Salt REF: 3B-I0220CAS: 67627-18-3	>55.0%(HPLC)	71.00 €~208.00 €	Fri 02 Aug 24
Phenolphthalin [for redox indicator] REF: 3B-P0095CAS: 81-90-3	>98.0%(T)(HPLC)	47.00 €~386.00 €	Fri 02 Aug 24
Variamine Blue B Base [Redox Indicator] REF: 3B-M0493CAS: 101-64-4	>98.0%(T)	23.00 €~147.00 €	Fri 02 Aug 24
Congo Red REF: 3B-C0550CAS: 573-58-0	>98.0%(HPLC)	103.00 €	Fri 02 Aug 24
Calcein (mixture of isomers) [for Fluorometric Determination of Ca] REF: 3B-C0004CAS: 1461-15-0 154071-48-4	- - -	88.00 €~337.00 €	Fri 02 Aug 24
Ethyl Orange REF: 3B-E0155CAS: 62758-12-7	- - -	71.00 €	Fri 02 Aug 24
Rhodamine 6G REF: 3B-R0039CAS: 989-38-8	>95.0%(HPLC)	35.00 €	Fri 02 Aug 24
1,10-Phenanthroline Monohydrate REF: 3B-P0221CAS: 5144-89-8 66-71-7	>99.0%(T)(HPLC)	29.00 €~80.00 €	Fri 02 Aug 24
Indigo Carmine REF: 3B-I0214CAS: 860-22-0	>95.0%(E)	40.00 €	Fri 02 Aug 24
Methylxylenol Blue REF: 3B-X0052CAS: 29412-85-9	>80.0%(HPLC)	87.00 €	Fri 02 Aug 24
Thymolphthalein (0.1% in ca. 95% Ethanol) [for pH Determination and Titration] REF: 3B-T0130CAS: 125-20-2	- - -	29.00 €~78.00 €	Fri 02 Aug 24
Tiron Monohydrate REF: 3B-D0567CAS: 149-45-1 270573-71-2	>98.0%(T)	45.00 €~221.00 €	Fri 02 Aug 24
trans-1,2-Cyclohexanediaminetetraacetic Acid Monohydrate REF: 3B-C0473CAS: 125572-95-4 13291-61-7	>99.0%(T)	54.00 €~482.00 €	Fri 02 Aug 24
N,N'-Diphenylbenzidine REF: 3B-D0878CAS: 531-91-9	>98.0%(HPLC)(N)	66.00 €~185.00 €	Fri 02 Aug 24
Chlorophenol Red Sodium Salt REF: 3B-C0247CAS: 123333-64-2	- - -	27.00 €~68.00 €	Fri 02 Aug 24
Ethylene Glycol Bis(2-aminoethyl Ether)-N,N,N',N'-tetraacetic Acid REF: 3B-E0106CAS: 67-42-5	>95.0%(T)	102.00 €	Fri 02 Aug 24
Lacmoid REF: 3B-L0079CAS: 42249-61-6	- - -	22.00 €~48.00 €	Fri 02 Aug 24
Tetrabromofluorescein REF: 3B-T0035CAS: 15086-94-9	>95.0%(HPLC)	63.00 €	Fri 02 Aug 24
2-Nitrophenol Sodium Salt REF: 3B-N0222CAS: 824-39-5	>99.0%(HPLC)	40.00 €~325.00 €	Fri 02 Aug 24
Tropaeolin O REF: 3B-R0010CAS: 547-57-9	- - -	22.00 €	Fri 02 Aug 24
TAR [=4-(2-Thiazolylazo)resorcinol] REF: 3B-A5002CAS: 2246-46-0	>99.0%(T)(HPLC)	53.00 €~148.00 €	Fri 02 Aug 24
Basic Red 5 REF: 3B-N0315CAS: 553-24-2	- - -	58.00 €	Fri 02 Aug 24
Bromothymol Blue REF: 3B-B0657CAS: 76-59-5	- - -	29.00 €~84.00 €	Fri 02 Aug 24
5-Nitro-1,10-phenanthroline REF: 3B-N0214CAS: 4199-88-6	>98.0%(T)(HPLC)	44.00 €	Fri 02 Aug 24
Thymol Blue Sodium Salt REF: 3B-S0049CAS: 62625-21-2	- - -	22.00 €	Fri 02 Aug 24
Diethylenetriaminepentaacetic Acid REF: 3B-D0504CAS: 67-43-6	>98.0%(T)	27.00 €~84.00 €	Fri 02 Aug 24
Barium Diphenylamine-4-sulfonate REF: 3B-D0876CAS: 6211-24-1	>98.0%(N)	43.00 €~109.00 €	Fri 02 Aug 24
TBPE (=Tetrabromophenolphthalein Ethyl Ester Potassium Salt) [Sensitive spectrophotometric reagent for amines, quaternary ammonium salts and other cations] REF: 3B-A5107CAS: 62637-91-6	>98.0%(HPLC)	99.00 €	Fri 02 Aug 24
Curcumin (0.1% in ca. 95% Ethanol) REF: 3B-C0435CAS: 458-37-7	- - -	65.00 €	Fri 02 Aug 24

Eriochrome Black T (1:100 diluted with NaCl)

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Eriochrome Black T (1:100 diluted with NaCl)

CAS:1787-61-7

Formula:

C₂₀H₁₂N₃NaO₇S

Color and Shape:

Purple to Dark purple to Brown powder to crystal

Molecular weight:

461.38

Ref: 3B-E0487

5g 23.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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2',7'-Dichlorofluorescein [for Fluorescent indicator]

CAS:76-54-0

Formula:

C₂₀H₁₀Cl₂O₅

Purity:

>95.0%(HPLC)

Color and Shape:

Light yellow to Brown powder to crystal

Molecular weight:

401.20

Ref: 3B-D0371

1g		27.00 €
25g		130.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Phenol Red (0.1% in ca. 20% Ethanol) [for Titration]

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Phenol Red (0.1% in ca. 20% Ethanol) [for Titration]

CAS:143-74-8

Formula:

C₁₉H₁₄O₅S

Color and Shape:

Orange to Brown to Dark red clear liquid

Molecular weight:

354.38

Ref: 3B-P0703

500ml 45.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Bromophenol Blue (0.1% in ca. 50% Ethanol) [for Titration]

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Bromophenol Blue (0.1% in ca. 50% Ethanol) [for Titration]

CAS:115-39-9

Formula:

C₁₉H₁₀Br₄O₅S

Color and Shape:

Orange to Brown to Dark red clear liquid

Molecular weight:

669.96

Ref: 3B-B0118

500ml 47.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate

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Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate

CAS:6381-92-6

Formula:

C₁₀H₁₄N₂Na₂O₈·2H₂O

Purity:

>99.5%(T)

Color and Shape:

White powder to crystal

Molecular weight:

372.24

Ref: 3B-E0091

25g		29.00 €
500g		84.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Thymol Blue

CAS:76-61-9

Formula:

C₂₇H₃₀O₅S

Color and Shape:

Yellow to Brown to Dark green powder to crystaline

Molecular weight:

466.59

Ref: 3B-T0235

1g		30.00 €
25g		95.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Thymolphthalein

CAS:125-20-2

Formula:

C₂₈H₃₀O₄

Color and Shape:

White to Orange to Green powder to crystal

Molecular weight:

430.54

Ref: 3B-T0237

1g		24.00 €
25g		57.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Malachite Green, Oxalate

CAS:2437-29-8

Formula:

C₅₂H₅₄N₄O₁₂

Purity:

>95.0%(T)

Color and Shape:

Green to Dark green powder to crystal

Molecular weight:

927.02

Ref: 3B-M0497

25g 45.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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α-Naphtholphthalein

CAS:596-01-0

Formula:

C₂₈H₁₈O₄

Purity:

>98.0%(HPLC)

Color and Shape:

White to Brown powder to crystal

Molecular weight:

418.45

Ref: 3B-N0031

1g		40.00 €
5g		111.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Titan Yellow

CAS:1829-00-1

Formula:

C₂₈H₁₉N₅Na₂O₆S₄

Color and Shape:

Light yellow to Amber to Dark green powder to crystal

Molecular weight:

695.71

Ref: 3B-C0549

25g 196.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Murexide

CAS:3051-09-0

Formula:

C₈H₈N₆O₆

Color and Shape:

Orange to Brown to Dark purple powder to crystal

Molecular weight:

284.19

Ref: 3B-M0474

1g		22.00 €
5g		31.00 €
25g		70.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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p-Naphtholbenzein

CAS:145-50-6

Formula:

C₂₇H₁₈O₂

Color and Shape:

Orange to Amber to Dark red powder to crystal

Molecular weight:

374.44

Ref: 3B-N0028

25g 225.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Calcein Blue

CAS:54375-47-2

Formula:

C₁₅H₁₅NO₇

Purity:

>98.0%(T)

Color and Shape:

White to Orange to Green powder to crystal

Molecular weight:

321.29

Ref: 3B-U0001

1g 249.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Bromocresol Green

CAS:76-60-8

Formula:

C₂₁H₁₄Br₄O₅S

Color and Shape:

White to Gray to Brown powder to crystal

Molecular weight:

698.01

Ref: 3B-B0578

1g		23.00 €
5g		53.00 €
25g		184.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Methoxy Red

CAS:68936-13-0

Formula:

C₁₃H₁₄N₄O·HCl

Purity:

>85.0%(T)

Color and Shape:

Black powder to crystal

Molecular weight:

278.74

Ref: 3B-M0129

25g 356.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Acid Yellow 36

CAS:587-98-4

Formula:

C₁₈H₁₄N₃NaO₃S

Color and Shape:

Light yellow to Brown powder to crystal

Molecular weight:

375.38

Ref: 3B-M0490

25g 29.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Acid Red 91

CAS:548-24-3

Formula:

C₂₀H₆Br₂N₂Na₂O₉

Color and Shape:

Amber to Brown powder to crystal

Molecular weight:

624.06

Ref: 3B-E0204

25g 34.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Sodium Diphenylamine-4-sulfonate

CAS:6152-67-6

Formula:

C₁₂H₁₀NNaO₃S

Purity:

>97.0%(HPLC)(N)

Color and Shape:

White to Light gray to Light yellow powder to crystal

Molecular weight:

271.27

Ref: 3B-D0877

1g		44.00 €
25g		482.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Methyl Red (0.1% in ca. 95% Ethanol) [for Titration]

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Methyl Red (0.1% in ca. 95% Ethanol) [for Titration]

CAS:493-52-7

Formula:

C₁₅H₁₅N₃O₂

Color and Shape:

Red clear liquid

Molecular weight:

269.30

Ref: 3B-M0067

100ml		43.00 €
500ml		90.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Benzopurpurine 4B

CAS:992-59-6

Formula:

C₃₄H₂₆N₆Na₂O₆S₂

Color and Shape:

Orange to Brown powder to crystal

Molecular weight:

724.72

Ref: 3B-B0781

5g		546.00 €
25g		1,346.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Bromophenol Blue Sodium Salt

CAS:34725-61-6

Formula:

C₁₉H₉Br₄NaO₅S

Purity:

>85.0%(HPLC)

Color and Shape:

Dark green to Dark blue to Black powder to crystal

Molecular weight:

691.94

Ref: 3B-S0043

1g		39.00 €
5g		140.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Variamine Blue B Sulfate (=4-Amino-4'-methoxydiphenylamine Sulfate) [for Iron-Titration]

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Variamine Blue B Sulfate (=4-Amino-4'-methoxydiphenylamine Sulfate) [for Iron-Titration]

CAS:3169-21-9

Formula:

C₁₃H₁₄N₂O·H₂SO₄

Purity:

>97.0%(N)

Color and Shape:

Gray to Dark blue to Black powder to crystal

Molecular weight:

312.34

Ref: 3B-M0495

1g		22.00 €
25g		184.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Methyl Orange (0.1% in Water) [for Titration]

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Methyl Orange (0.1% in Water) [for Titration]

CAS:547-58-0

Formula:

C₁₄H₁₄N₃NaO₃S

Color and Shape:

Orange to Brown to Dark red clear liquid

Molecular weight:

327.33

Ref: 3B-M0017

500ml 41.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Phenolphthalein

CAS:77-09-8

Formula:

C₂₀H₁₄O₄

Purity:

>98.0%(T)

Color and Shape:

White to Almost white powder to crystal

Molecular weight:

318.33

Ref: 3B-P0094

25g		27.00 €
500g		88.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Alizarin Yellow GG

CAS:584-42-9

Formula:

C₁₃H₈N₃NaO₅

Purity:

>97.0%(HPLC)

Color and Shape:

Light yellow to Brown powder to crystal

Molecular weight:

309.21

Ref: 3B-A0578

25g 57.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Magneson

CAS:74-39-5

Formula:

C₁₂H₉N₃O₄

Color and Shape:

Orange to Brown to Dark red powder to crystal

Molecular weight:

259.22

Ref: 3B-N0135

1g		27.00 €
25g		44.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Eriochrome Black T

CAS:1787-61-7

Formula:

C₂₀H₁₂N₃NaO₇S

Color and Shape:

Black powder to crystaline

Molecular weight:

461.38

Ref: 3B-E0214

25g 60.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Cresol Red

CAS:1733-12-6

Formula:

C₂₁H₁₈O₅S

Purity:

>98.0%(HPLC)

Color and Shape:

Red to Dark blue to Black powder to crystal

Molecular weight:

382.43

Ref: 3B-C0406

1g		25.00 €
25g		90.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Phthalein Complexon Sodium Salt

CAS:62698-54-8

Color and Shape:

White to Light yellow to Light orange powder to crystal

Ref: 3B-P0344

1g 123.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Acid Blue 119

CAS:1324-80-7

Color and Shape:

Blue to Brown to Dark blue powder to crystal

Ref: 3B-A0596

1g		39.00 €
5g		114.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Bromophenol Red

CAS:2800-80-8

Formula:

C₁₉H₁₂Br₂O₅S

Purity:

>80.0%(HPLC)

Color and Shape:

Dark red to Brown powder to crystal

Molecular weight:

512.17

Ref: 3B-B0632

1g		53.00 €
25g		723.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Methylthymol Blue Sodium Salt

CAS:1945-77-3

Formula:

C₃₇H₄₀N₂Na₄O₁₃S

Purity:

>95.0%(HPLC)

Color and Shape:

Dark green to Dark blue to Black powder to crystal

Molecular weight:

844.75

Ref: 3B-B0478

1g		48.00 €
5g		144.00 €
25g		553.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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3-(2-Pyridyl)-5,6-bis(4-sulfophenyl)-1,2,4-triazine Disodium Salt

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3-(2-Pyridyl)-5,6-bis(4-sulfophenyl)-1,2,4-triazine Disodium Salt

CAS:1264198-47-1 28048-33-1

Formula:

C₂₀H₁₂N₄Na₂O₆S₂

Purity:

>95.0%(T)(HPLC)

Color and Shape:

Light yellow to Amber to Dark green powder to crystal

Molecular weight:

514.44

Ref: 3B-P0830

1g 53.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Ethyl Bis(2,4-dinitrophenyl)acetate

CAS:5833-18-1

Formula:

C₁₆H₁₂N₄O₁₀

Purity:

>98.0%(HPLC)

Color and Shape:

White to Light yellow powder to crystal

Molecular weight:

420.29

Ref: 3B-B0817

5g 78.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Benzyl Orange

CAS:36402-77-4

Formula:

C₁₉H₁₆N₃NaO₃S

Color and Shape:

Orange to Brown powder to crystal

Molecular weight:

389.40

Ref: 3B-B0425

1g		74.00 €
5g		233.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Indigotetrasulfonic Acid Tetrapotassium Salt

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Indigotetrasulfonic Acid Tetrapotassium Salt

CAS:28699-96-9

Formula:

C₁₆H₆K₄N₂O₁₄S₄

Purity:

>90.0%(HPLC)

Color and Shape:

Red to Dark blue to Black powder to crystal

Molecular weight:

734.86

Ref: 3B-I0019

1g 88.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Basic Green 1

CAS:633-03-4

Formula:

C₂₇H₃₄N₂O₄S

Color and Shape:

Green to Dark green powder to crystal

Molecular weight:

482.64

Ref: 3B-B0789

25g 36.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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2',7'-Dichlorofluorescein Sodium Salt

CAS:3946-85-8 80471-69-8

Formula:

C₂₀H₈Cl₂Na₂O₅

Purity:

>98.0%(T)

Color and Shape:

Purple to Dark purple to Brown powder to crystal

Molecular weight:

445.16

Ref: 3B-D0424

1g		37.00 €
25g		413.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Cresol Red Sodium Salt

CAS:62625-29-0

Formula:

C₂₁H₁₇NaO₅S

Color and Shape:

Dark red to Brown powder to crystal

Molecular weight:

404.41

Ref: 3B-S0046

1g		29.00 €
25g		194.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Fluorescein

CAS:2321-07-5

Formula:

C₂₀H₁₂O₅

Color and Shape:

Orange to Amber to Dark red powder to crystal

Molecular weight:

332.31

Ref: 3B-F0095

25g		29.00 €
100g		40.00 €
500g		100.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Phenolphthalein (1% in ca. 85% Ethanol) [for Titration]

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Phenolphthalein (1% in ca. 85% Ethanol) [for Titration]

CAS:77-09-8

Formula:

C₂₀H₁₄O₄

Color and Shape:

Colorless clear liquid

Molecular weight:

318.33

Ref: 3B-P0700

100ml		30.00 €
500ml		62.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Pentamethoxy Red

CAS:1755-51-7

Formula:

C₂₄H₂₆O₆

Purity:

min. 98.0 area%(HPLC)

Color and Shape:

White to Light yellow powder to crystal

Molecular weight:

410.47

Ref: 3B-P0631

1g		104.00 €
25g		1,130.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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PAN [=1-(2-Pyridylazo)-2-naphthol] [Metal indicator and spectrophotometric reagent for transition …

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PAN [=1-(2-Pyridylazo)-2-naphthol] [Metal indicator and spectrophotometric reagent for transition metals]

CAS:85-85-8

Formula:

C₁₅H₁₁N₃O

Purity:

>98.0%(T)(HPLC)

Color and Shape:

Light yellow to Amber to Dark green powder to crystal

Molecular weight:

249.27

Ref: 3B-A5000

1g		34.00 €
5g		78.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Copper PAN

CAS:23299-85-6

Color and Shape:

Orange to Amber to Dark red powder to crystal

Ref: 3B-C0385

1g		38.00 €
10g		181.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Phenolphthalein (0.1% in ca. 90% Ethanol) [for Titration]

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Phenolphthalein (0.1% in ca. 90% Ethanol) [for Titration]

CAS:77-09-8

Formula:

C₂₀H₁₄O₄

Color and Shape:

Colorless clear liquid

Molecular weight:

318.33

Ref: 3B-P0701

100ml		33.00 €
500ml		69.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Methyl Yellow

CAS:60-11-7

Formula:

C₁₄H₁₅N₃

Purity:

>98.0%(T)(HPLC)

Color and Shape:

Orange to Brown powder to crystal

Molecular weight:

225.30

Ref: 3B-D0231

25g 43.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Bromoxylenol Blue

CAS:40070-59-5

Formula:

C₂₃H₂₀Br₂O₅S

Color and Shape:

White to Brown to Dark purple powder to crystal

Molecular weight:

568.28

Ref: 3B-B0998

5g		70.00 €
25g		208.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Sudan III

CAS:85-86-9

Formula:

C₂₂H₁₆N₄O

Purity:

>90.0%(E)

Color and Shape:

Orange to Brown to Dark red powder to crystal

Molecular weight:

352.40

Ref: 3B-S0142

25g		33.00 €
100g		72.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Dithizone

Controlled Product

CAS:60-10-6

Formula:

C₁₃H₁₂N₄S

Purity:

>85.0%(E)

Color and Shape:

Red to Dark blue to Black powder to crystal

Molecular weight:

256.33

Ref: 3B-D0949

25g 91.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Basic Red 2

CAS:477-73-6

Color and Shape:

Light orange to Dark red to Black powder to crystal

Ref: 3B-S0145

25g		40.00 €
500g		277.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Brilliant Yellow

CAS:3051-11-4

Formula:

C₂₆H₁₈N₄Na₂O₈S₂

Color and Shape:

Orange to Brown powder to crystal

Molecular weight:

624.55

Ref: 3B-B0783

25g 339.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Bromothymol Blue Sodium Salt

CAS:34722-90-2

Formula:

C₂₇H₂₇Br₂NaO₅S

Color and Shape:

Orange to Brown powder to crystal

Molecular weight:

646.37

Ref: 3B-S0044

5g		58.00 €
25g		208.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Thorin [for Determination of Th, etc.]

CAS:3688-92-4

Formula:

C₁₆H₁₁AsN₂Na₂O₁₀S₂

Purity:

>97.0%(T)(HPLC)

Color and Shape:

Orange to Brown to Dark red powder to crystal

Molecular weight:

576.29

Ref: 3B-H0240

1g 38.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Phenol Red Sodium Salt

CAS:34487-61-1

Formula:

C₁₉H₁₃NaO₅S

Purity:

min. 90.0 area%(HPLC)

Color and Shape:

Orange to Amber to Dark red powder to crystal

Molecular weight:

376.36

Ref: 3B-P0102

5g		27.00 €
25g		44.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Methylene Blue Hydrate

CAS:122965-43-9 61-73-4

Formula:

C₁₆H₁₈ClN₃S·xH₂O

Purity:

>70.0%(W)

Color and Shape:

Green to Dark green powder to crystal

Molecular weight:

319.85 (as Anhydrous)

Ref: 3B-M0501

25g 34.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic Acid

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Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic Acid

CAS:869-52-3

Formula:

C₁₈H₃₀N₄O₁₂

Purity:

>98.0%(T)

Color and Shape:

White to Almost white powder to crystal

Molecular weight:

494.45

Ref: 3B-T0806

5g		79.00 €
25g		236.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Pyrogallol Red

CAS:32638-88-3

Formula:

C₁₉H₁₂O₈S

Color and Shape:

Dark red to Brown powder to crystal

Molecular weight:

400.36

Ref: 3B-P0572

1g		40.00 €
5g		128.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Bromophenol Blue

CAS:115-39-9

Formula:

C₁₉H₁₀Br₄O₅S

Color and Shape:

White to Light yellow to Red powder to crystal

Molecular weight:

669.96

Ref: 3B-B0631

1g		26.00 €
25g		83.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Metacresol Purple Sodium Salt

CAS:62625-31-4

Formula:

C₂₁H₁₇NaO₅S

Purity:

>95.0%(HPLC)

Color and Shape:

Dark green to Dark red to Black powder to crystal

Molecular weight:

404.41

Ref: 3B-S0045

1g		31.00 €
5g		113.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Methyl Red

CAS:493-52-7

Formula:

C₁₅H₁₅N₃O₂

Purity:

>98.0%(HPLC)

Color and Shape:

Orange to Brown to Dark purple powder to crystal

Molecular weight:

269.30

Ref: 3B-M0421

1g		22.00 €
25g		58.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid (1:100 diluted with K2SO4)

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2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic Acid (1:100 diluted with K2SO4)

CAS:3737-95-9

Formula:

C₂₁H₁₄N₂O₇S

Color and Shape:

Dark red to Dark purple to Dark blue powder to crystaline

Molecular weight:

438.41

Ref: 3B-H0250

1g		27.00 €
25g		64.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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o-Cresolphthalein

CAS:596-27-0

Formula:

C₂₂H₁₈O₄

Color and Shape:

White to Light yellow to Light orange powder to crystal

Molecular weight:

346.38

Ref: 3B-C0404

25g		48.00 €
100g		119.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Methyl Orange

CAS:547-58-0

Formula:

C₁₄H₁₄N₃NaO₃S

Purity:

>98.0%(HPLC)

Color and Shape:

Orange to Brown powder to crystal

Molecular weight:

327.33

Ref: 3B-M0489

25g 76.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Chlorophenol Red

CAS:4430-20-0

Formula:

C₁₉H₁₂Cl₂O₅S

Purity:

>93.0%(HPLC)

Color and Shape:

Light yellow to Brown powder to crystal

Molecular weight:

423.26

Ref: 3B-C0245

1g		29.00 €
5g		75.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Uranine

CAS:518-47-8

Formula:

C₂₀H₁₀Na₂O₅

Purity:

>95.0%(HPLC)

Color and Shape:

Amber to Brown powder to crystal

Molecular weight:

376.27

Ref: 3B-F0096

25g		22.00 €
100g		63.00 €
500g		185.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Sulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipit…

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Sulfonazo III [Spectrophotometric reagent for alkaline earth metals and indicator for the precipitation titration of SO4 with Ba]

CAS:68504-35-8

Formula:

C₂₂H₁₂N₄Na₄O₁₄S₄

Purity:

>90.0%(HPLC)

Color and Shape:

Dark green to Black powder to crystal

Molecular weight:

776.55

Ref: 3B-A5010

1g		94.00 €
5g		423.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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4-Nitrophenol

CAS:100-02-7

Formula:

C₆H₅NO₃

Purity:

>99.0%(GC)(T)

Color and Shape:

White to Light yellow to Green powder to crystal

Molecular weight:

139.11

Ref: 3B-N0220

25g		30.00 €
100g		51.00 €
500g		116.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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5'-Isopropyl-2'-methylindophenol Sodium Salt [Redox Indicator]

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5'-Isopropyl-2'-methylindophenol Sodium Salt [Redox Indicator]

CAS:5418-43-9

Formula:

C₁₆H₁₆NNaO₂

Color and Shape:

Red to Dark blue to Black powder to crystal

Molecular weight:

277.30

Ref: 3B-M0408

1g 49.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Pararosolic Acid

CAS:603-45-2

Formula:

C₁₉H₁₄O₃

Color and Shape:

Yellow to Amber to Dark red powder to crystal

Molecular weight:

290.32

Ref: 3B-A0598

25g 66.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Calcein Sodium Salt (mixture of isomers) [for Fluorometric Determination of Ca]

Color and Shape:

Light yellow to Amber to Dark green powder to crystal

Ref: 3B-C0003

5g 173.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Acid Red 87

CAS:17372-87-1 548-26-5

Formula:

C₂₀H₆Br₄Na₂O₅

Purity:

>90.0%(E)

Color and Shape:

Orange to Brown to Dark red powder to crystaline

Molecular weight:

691.86

Ref: 3B-T0037

25g 30.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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+ info

Indigotrisulfonic Acid Potassium Salt

CAS:67627-18-3

Formula:

C₁₆H₇K₃N₂O₁₁S₃

Purity:

>55.0%(HPLC)

Color and Shape:

Gray to Dark purple to Black powder to crystal

Molecular weight:

616.71

Ref: 3B-I0220

1g		71.00 €
5g		208.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Phenolphthalin [for redox indicator]

CAS:81-90-3

Formula:

C₂₀H₁₆O₄

Purity:

>98.0%(T)(HPLC)

Color and Shape:

White to Almost white powder to crystaline

Molecular weight:

320.34

Ref: 3B-P0095

25g		47.00 €
500g		386.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Variamine Blue B Base [Redox Indicator]

CAS:101-64-4

Formula:

C₁₃H₁₄N₂O

Purity:

>98.0%(T)

Color and Shape:

Gray to Dark blue to Black powder to crystal

Molecular weight:

214.27

Ref: 3B-M0493

1g		23.00 €
25g		147.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Congo Red

CAS:573-58-0

Formula:

C₃₂H₂₂N₆Na₂O₆S₂

Purity:

>98.0%(HPLC)

Color and Shape:

Dark red to Brown powder to crystal

Molecular weight:

696.66

Ref: 3B-C0550

25g 103.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Calcein (mixture of isomers) [for Fluorometric Determination of Ca]

CAS:1461-15-0 154071-48-4

Formula:

C₃₀H₂₆N₂O₁₃

Color and Shape:

Orange to Brown powder to crystaline

Molecular weight:

622.54

Ref: 3B-C0004

1g		88.00 €
5g		337.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Ethyl Orange

CAS:62758-12-7

Formula:

C₁₆H₁₈N₃NaO₃S

Color and Shape:

Light yellow to Brown powder to crystal

Molecular weight:

355.39

Ref: 3B-E0155

25g 71.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Rhodamine 6G

CAS:989-38-8

Formula:

C₂₈H₃₁ClN₂O₃

Purity:

>95.0%(HPLC)

Color and Shape:

Amber to Brown to Dark green powder to crystal

Molecular weight:

479.02

Ref: 3B-R0039

25g 35.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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+ info

1,10-Phenanthroline Monohydrate

CAS:5144-89-8 66-71-7

Formula:

C₁₂H₈N₂·H₂O

Purity:

>99.0%(T)(HPLC)

Color and Shape:

White to Almost white powder to crystal

Molecular weight:

198.23

Ref: 3B-P0221

1g		29.00 €
25g		80.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Indigo Carmine

CAS:860-22-0

Formula:

C₁₆H₈N₂Na₂O₈S₂

Purity:

>95.0%(E)

Color and Shape:

Dark red to Dark purple to Dark blue powder to crystal

Molecular weight:

466.35

Ref: 3B-I0214

25g 40.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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+ info

Methylxylenol Blue

CAS:29412-85-9

Formula:

C₃₃H₃₂N₂Na₄O₁₃S

Purity:

>80.0%(HPLC)

Color and Shape:

Dark green to Dark red to Black powder to crystal

Molecular weight:

788.64

Ref: 3B-X0052

1g 87.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

+ info

Thymolphthalein (0.1% in ca. 95% Ethanol) [for pH Determination and Titration]

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Thymolphthalein (0.1% in ca. 95% Ethanol) [for pH Determination and Titration]

CAS:125-20-2

Formula:

C₂₈H₃₀O₄

Color and Shape:

Colorless to Almost colorless clear liquid

Molecular weight:

430.54

Ref: 3B-T0130

100ml		29.00 €
500ml		78.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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+ info

Tiron Monohydrate

CAS:149-45-1 270573-71-2

Formula:

C₆H₄Na₂O₈S₂·H₂O

Purity:

>98.0%(T)

Color and Shape:

White to Almost white powder to crystal

Molecular weight:

332.21

Ref: 3B-D0567

25g		45.00 €
250g		221.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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trans-1,2-Cyclohexanediaminetetraacetic Acid Monohydrate

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trans-1,2-Cyclohexanediaminetetraacetic Acid Monohydrate

CAS:125572-95-4 13291-61-7

Formula:

C₁₄H₂₂N₂O₈·H₂O

Purity:

>99.0%(T)

Color and Shape:

White to Almost white powder to crystaline

Molecular weight:

364.36

Ref: 3B-C0473

25g		54.00 €
100g		157.00 €
500g		482.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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+ info

N,N'-Diphenylbenzidine

CAS:531-91-9

Formula:

C₂₄H₂₀N₂

Purity:

>98.0%(HPLC)(N)

Color and Shape:

White to Gray to Brown powder to crystal

Molecular weight:

336.44

Ref: 3B-D0878

5g		66.00 €
25g		185.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Chlorophenol Red Sodium Salt

CAS:123333-64-2

Formula:

C₁₉H₁₁Cl₂NaO₅S

Color and Shape:

Yellow to Dark green to Black powder to crystal

Molecular weight:

445.24

Ref: 3B-C0247

1g		27.00 €
5g		68.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Ethylene Glycol Bis(2-aminoethyl Ether)-N,N,N',N'-tetraacetic Acid

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Ethylene Glycol Bis(2-aminoethyl Ether)-N,N,N',N'-tetraacetic Acid

CAS:67-42-5

Formula:

C₁₄H₂₄N₂O₁₀

Purity:

>95.0%(T)

Color and Shape:

White to Almost white powder to crystaline

Molecular weight:

380.35

Ref: 3B-E0106

25g 102.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Lacmoid

CAS:42249-61-6

Color and Shape:

Black powder to crystal

Ref: 3B-L0079

1g		22.00 €
5g		48.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Tetrabromofluorescein

CAS:15086-94-9

Formula:

C₂₀H₈Br₄O₅

Purity:

>95.0%(HPLC)

Color and Shape:

Light red to Yellow to Red powder to crystal

Molecular weight:

647.90

Ref: 3B-T0035

25g 63.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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2-Nitrophenol Sodium Salt

CAS:824-39-5

Formula:

C₆H₄NNaO₃

Purity:

>99.0%(HPLC)

Color and Shape:

Orange to Red powder to crystal

Molecular weight:

161.09

Ref: 3B-N0222

25g		40.00 €
500g		325.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Tropaeolin O

CAS:547-57-9

Formula:

C₁₂H₉N₂NaO₅S

Color and Shape:

Orange to Brown powder to crystal

Molecular weight:

316.26

Ref: 3B-R0010

1g 22.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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TAR [=4-(2-Thiazolylazo)resorcinol]

CAS:2246-46-0

Formula:

C₉H₇N₃O₂S

Purity:

>99.0%(T)(HPLC)

Color and Shape:

Light yellow to Brown powder to crystal

Molecular weight:

221.23

Ref: 3B-A5002

1g		53.00 €
5g		148.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Basic Red 5

CAS:553-24-2

Formula:

C₁₅H₁₇ClN₄

Color and Shape:

Dark green to Dark blue to Black powder to crystal

Molecular weight:

288.78

Ref: 3B-N0315

25g 58.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Bromothymol Blue

CAS:76-59-5

Formula:

C₂₇H₂₈Br₂O₅S

Color and Shape:

Light red to Red to Purple powder to crystal

Molecular weight:

624.38

Ref: 3B-B0657

1g		29.00 €
25g		84.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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5-Nitro-1,10-phenanthroline

CAS:4199-88-6

Formula:

C₁₂H₇N₃O₂

Purity:

>98.0%(T)(HPLC)

Color and Shape:

Light yellow to Brown to Dark green powder to crystal

Molecular weight:

225.21

Ref: 3B-N0214

1g 44.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Thymol Blue Sodium Salt

CAS:62625-21-2

Formula:

C₂₇H₂₉NaO₅S

Color and Shape:

Orange to Brown powder to crystal

Molecular weight:

488.57

Ref: 3B-S0049

1g 22.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Diethylenetriaminepentaacetic Acid

CAS:67-43-6

Formula:

C₁₄H₂₃N₃O₁₀

Purity:

>98.0%(T)

Color and Shape:

White powder to crystal

Molecular weight:

393.35

Ref: 3B-D0504

25g		27.00 €
500g		84.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Barium Diphenylamine-4-sulfonate

CAS:6211-24-1

Formula:

C₂₄H₂₀BaN₂O₆S₂

Purity:

>98.0%(N)

Color and Shape:

White to Light gray to Light yellow powder to crystal

Molecular weight:

633.88

Ref: 3B-D0876

5g		43.00 €
25g		109.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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TBPE (=Tetrabromophenolphthalein Ethyl Ester Potassium Salt) [Sensitive spectrophotometric reagent…

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TBPE (=Tetrabromophenolphthalein Ethyl Ester Potassium Salt) [Sensitive spectrophotometric reagent for amines, quaternary ammonium salts and other cations]

CAS:62637-91-6

Formula:

C₂₂H₁₃Br₄KO₄

Purity:

>98.0%(HPLC)

Color and Shape:

Dark green to Dark blue to Black powder to crystal

Molecular weight:

700.06

Ref: 3B-A5107

1g 99.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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Curcumin (0.1% in ca. 95% Ethanol)

CAS:458-37-7

Color and Shape:

Light yellow to Brown clear liquid

Ref: 3B-C0435

500ml 65.00 €

Estimated delivery in United States, on Friday 2 Aug 2024

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