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Indicators
pH indicators for easy qualitative pH measurements and reaction analysis. Ample coverage of a wide range of pH values.
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
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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
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Yoshimulactone Green (YLG)
CAS:
1807549-00-3
Formula:
C27H20O7
Purity:
>98.0%(HPLC)
Color and Shape:
Light yellow to Brown powder to crystal
Molecular weight:
456.45
Ref: 3B-E1238
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Eriochrome Black T (1:100 diluted with NaCl)
CAS:
1787-61-7
Formula:
C20H12N3NaO7S
Purity:
None(GC)
Color and Shape:
Purple to Dark purple to Brown powder to crystal
Molecular weight:
461.38
Ref: 3B-E0487
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![Thymolphthalein (0.1% in ca. 95% Ethanol) [for pH Determination and Titration]](https://static.cymitquimica.com/products/3B/img/T0130.jpg)
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
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![Ammonium 1-Pyrrolidinecarbodithioate [Reagent for Atomic Absorption Analysis]](https://static.cymitquimica.com/products/3B/img/P0644.jpg)
Ammonium 1-Pyrrolidinecarbodithioate [Reagent for Atomic Absorption Analysis]
CAS:
5108-96-3
Formula:
C5H12N2S2
Purity:
>95.0%(T)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
164.29
Ref: 3B-P0644
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![Variamine Blue B Sulfate (=4-Amino-4'-methoxydiphenylamine Sulfate) [for Iron-Titration]](https://static.cymitquimica.com/products/3B/img/M0495.jpg)
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
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![2,3-Diaminonaphthalene [for Biochemical Research]](https://static.cymitquimica.com/products/3B/img/D4101.jpg)
2,3-Diaminonaphthalene [for Biochemical Research]
CAS:
771-97-1
Formula:
C10H10N2
Purity:
>98.0%(GC)(T)
Color and Shape:
White to Light yellow to Light orange powder to crystal
Molecular weight:
158.2
Ref: 3B-D4101
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Mono-2-ethylhexyl (2-Ethylhexyl)phosphonate
CAS:
14802-03-0
Formula:
C16H35O3P
Purity:
>95.0%(T)
Color and Shape:
Colorless to Light yellow clear liquid
Molecular weight:
306.43
Ref: 3B-M2871
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Bromocresol Purple Sodium Salt
CAS:
62625-30-3
Formula:
C21H15Br2NaO5S
Color and Shape:
Orange to Brown powder to crystal
Molecular weight:
562.2
Ref: 3B-S0042
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![TAR [=4-(2-Thiazolylazo)resorcinol] [Metal indicator and spectrophotometric reagent for transition metals]](https://static.cymitquimica.com/products/3B/img/A5002.jpg)
TAR [=4-(2-Thiazolylazo)resorcinol] [Metal indicator and spectrophotometric reagent for transition metals]
CAS:
2246-46-0
Formula:
C9H7N3O2S
Purity:
>99.0%(T)
Color and Shape:
Light yellow to Brown powder to crystal
Molecular weight:
221.23
Ref: 3B-A5002
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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
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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
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Methylxylenol Blue
CAS:
29412-85-9
Formula:
C33H32N2Na4O13S
Purity:
>85.0%(HPLC)
Color and Shape:
Red to Dark blue to Black powder to crystal
Molecular weight:
788.64
Ref: 3B-X0052
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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:
269.3
Ref: 3B-M0421
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