pH Buffer Solutions

A catalog of an extensive range of ISO/IEC certified, traceable, pH buffers for various applications. With a long shelf life and numerous pH values.

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products per page. 814 products on this category.

Product data	Purity	Price range	Estimated delivery
TRIS REF: 7W-GP7166CAS: 77-86-1	≥ 99.0% (anhydrous)	21.00 €~302.00 €	Tue 02 Jul 24
Glycylglycine hydrochloride REF: 7W-GB4361CAS: 23273-91-8	≥ 98.0%	To inquire	Tue 02 Jul 24
Sodium phosphate monobasic monohydrate REF: 7W-GE0010CAS: 10049-21-5	(Titration) 98.0 - 103.0 % (NaH2PO4, anhydrous basis)	21.00 €~229.00 €	Tue 02 Jul 24
MES sodium salt REF: 7W-GB1926CAS: 71119-23-8	(Titration) 99.0 - 101.0 %	26.00 €~308.00 €	Tue 02 Jul 24
CHAPS REF: 7W-GB6883CAS: 75621-03-3	(HPLC) ≥ 98.0%	36.00 €~358.00 €	Tue 02 Jul 24
HEPES hemisodium salt REF: 7W-GK6272CAS: 103404-87-1	(Titration) ≥ 99.0% (dried basis)	41.00 €~93.00 €	Tue 02 Jul 24
Magnesium sulfate, dried, USP grade REF: 7W-GK9199CAS: 7487-88-9	99.0 - 100.5 % (after ignition)	65.00 €~211.00 €	Tue 02 Jul 24
TRIS Buffered Saline (TBS); 10X solution REF: 7W-GB3555	- - -	30.00 €~89.00 €	Tue 02 Jul 24
Potassium chloride, 99% REF: 7W-GE5369CAS: 7447-40-7	≥ 99.0% (dried basis)	38.00 €~112.00 €	Tue 02 Jul 24
Sodium hydrogen carbonate REF: 7W-GE8414CAS: 144-55-8	(Titration) 99.0 - 100.5 %	13.00 €~134.00 €	Tue 02 Jul 24
CAPSO REF: 7W-GB7246CAS: 73463-39-5	≥ 99.0%	41.00 €~275.00 €	Tue 02 Jul 24
Sodium tetraborate decahydrate REF: 7W-GK8434CAS: 1303-96-4	≥ 99.5%	14.00 €~98.00 €	Tue 02 Jul 24
Potassium hydrogen carbonate REF: 7W-GK1196CAS: 298-14-6	99.0 - 101.0 % (as KHCO3)	13.00 €~113.00 €	Tue 02 Jul 24
Sodium chloride, Ph. Eur., USP grade REF: 7W-GE1119CAS: 7647-14-5	99.0 - 100.5 % (dried basis)	20.00 €~70.00 €	Tue 02 Jul 24
HEPES potassium salt REF: 7W-GL1281CAS: 82207-62-3	≥ 99.0%	To inquire	Tue 02 Jul 24
MES potassium salt REF: 7W-GB6040CAS: 39946-25-3	98.5 - 101.5 %	50.00 €~121.00 €	Tue 02 Jul 24
di-Sodium hydrogen phosphate anhydrous, EP, USP grade REF: 7W-GB0899CAS: 7558-79-4	98.0 - 100.5 %	33.00 €~205.00 €	Tue 02 Jul 24
Tris(hydroxymethyl)aminomethane REF: 7W-GP9311CAS: 77-86-1	(Titration) ≥ 99.0%	70.00 €~270.00 €	Tue 02 Jul 24
Disodium hydrogen phosphate heptahydrate, USP grade REF: 7W-GK9860CAS: 7782-85-6	98.0 - 100.5 % (dried basis)	82.00 €	Tue 02 Jul 24
Glycine, 99%, ACS grade REF: 7W-GM1110CAS: 56-40-6	≥ 98.5%	To inquire	Tue 02 Jul 24

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TRIS

Controlled Product

CAS:77-86-1

Formula:

C₄H₁₁NO₃

Purity:

≥ 99.0% (anhydrous)

Color and Shape:

White crystalline powder or crystals

Molecular weight:

121.14

Ref: 7W-GP7166

1kg		79.00 €
5kg		302.00 €
100g		21.00 €
250g		31.00 €
500g		48.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Glycylglycine hydrochloride

CAS:23273-91-8

Formula:

C₄H₈N₂O₃·HCl

Purity:

≥ 98.0%

Color and Shape:

White to off-white solid

Molecular weight:

168.58

Ref: 7W-GB4361

Undefined size To inquire

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Sodium phosphate monobasic monohydrate

CAS:10049-21-5

Formula:

H₂NaO₄P·H₂O

Purity:

(Titration) 98.0 - 103.0 % (NaH2PO4, anhydrous basis)

Color and Shape:

Colourless or white crystals

Molecular weight:

137.99

Ref: 7W-GE0010

1kg		80.00 €
5kg		229.00 €
100g		21.00 €
250g		31.00 €
350g		40.00 €
500g		50.00 €
700g		64.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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MES sodium salt

CAS:71119-23-8

Formula:

C₆H₁₂NNaO₄S

Purity:

(Titration) 99.0 - 101.0 %

Color and Shape:

White crystalline powder

Molecular weight:

217.22

Ref: 7W-GB1926

10g		26.00 €
25g		41.00 €
100g		93.00 €
250g		175.00 €
500g		308.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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CHAPS

CAS:75621-03-3

Formula:

C₃₂H₅₈N₂O₇S

Purity:

(HPLC) ≥ 98.0%

Color and Shape:

White powder

Molecular weight:

614.88

Ref: 7W-GB6883

1g		36.00 €
5g		70.00 €
10g		112.00 €
25g		220.00 €
50g		358.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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HEPES hemisodium salt

CAS:103404-87-1

Formula:

(C₈H₁₇N₂O₄S)₂Na

Purity:

(Titration) ≥ 99.0% (dried basis)

Color and Shape:

White crystalline powder

Molecular weight:

497.58

Ref: 7W-GK6272

25g		41.00 €
100g		93.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Magnesium sulfate, dried, USP grade

CAS:7487-88-9

Formula:

MgSO₄

Purity:

99.0 - 100.5 % (after ignition)

Color and Shape:

White or almost white fine granular powder

Molecular weight:

120.37

Ref: 7W-GK9199

1kg		65.00 €
5kg		211.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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TRIS Buffered Saline (TBS); 10X solution

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TRIS Buffered Saline (TBS); 10X solution

Color and Shape:

Clear, colourless liquid

Molecular weight:

Ref: 7W-GB3555

1l		48.00 €
500ml		30.00 €
2500ml		89.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Potassium chloride, 99%

CAS:7447-40-7

Formula:

KCl

Purity:

≥ 99.0% (dried basis)

Color and Shape:

White crystalline powder or crystals

Molecular weight:

74.55

Ref: 7W-GE5369

1kg		38.00 €
5kg		112.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Sodium hydrogen carbonate

CAS:144-55-8

Formula:

NaHCO₃

Purity:

(Titration) 99.0 - 100.5 %

Color and Shape:

White to almost white powder

Molecular weight:

84.01

Ref: 7W-GE8414

1kg		26.00 €
5kg		79.00 €
10kg		134.00 €
250g		13.00 €
500g		17.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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CAPSO

CAS:73463-39-5

Formula:

C₉H₁₉NO₄S

Purity:

≥ 99.0%

Color and Shape:

White crystalline powder

Molecular weight:

237.32

Ref: 7W-GB7246

25g		41.00 €
100g		80.00 €
250g		152.00 €
500g		275.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Sodium tetraborate decahydrate

CAS:1303-96-4

Formula:

Na₂B₄O₇· 10H₂O

Purity:

≥ 99.5%

Color and Shape:

White crystals or crystalline powder

Molecular weight:

381.37

Ref: 7W-GK8434

1kg		31.00 €
5kg		98.00 €
250g		14.00 €
500g		21.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Potassium hydrogen carbonate

CAS:298-14-6

Formula:

KHCO₃

Purity:

99.0 - 101.0 % (as KHCO3)

Color and Shape:

White crystalline powder or colourless crystals

Molecular weight:

100.12

Ref: 7W-GK1196

1kg		38.00 €
5kg		113.00 €
100g		13.00 €
250g		19.00 €
500g		27.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Sodium chloride, Ph. Eur., USP grade

CAS:7647-14-5

Formula:

NaCl

Purity:

99.0 - 100.5 % (dried basis)

Color and Shape:

White crystalline powder or colourless crystals

Molecular weight:

58.44

Ref: 7W-GE1119

1kg		31.00 €
5kg		70.00 €
500g		20.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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HEPES potassium salt

CAS:82207-62-3

Formula:

C₈H₁₇KN₂O₄S

Purity:

≥ 99.0%

Color and Shape:

White crystalline powder

Molecular weight:

276.39

Ref: 7W-GL1281

Undefined size To inquire

Estimated delivery in United States, on Tuesday 2 Jul 2024

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MES potassium salt

CAS:39946-25-3

Formula:

C₆H₁₂KNO₄S

Purity:

98.5 - 101.5 %

Color and Shape:

White or almost white crystalline powder or crystals

Molecular weight:

233.33

Ref: 7W-GB6040

25g		50.00 €
100g		121.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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di-Sodium hydrogen phosphate anhydrous, EP, USP grade

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di-Sodium hydrogen phosphate anhydrous, EP, USP grade

CAS:7558-79-4

Formula:

HNa₂O₄P

Purity:

98.0 - 100.5 %

Color and Shape:

White crystalline powder or crystals

Molecular weight:

141.98

Ref: 7W-GB0899

1kg		52.00 €
5kg		205.00 €
500g		33.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Tris(hydroxymethyl)aminomethane

Controlled Product

CAS:77-86-1

Formula:

C₄H₁₁NO₃

Purity:

(Titration) ≥ 99.0%

Color and Shape:

Colourless or white to almost white crystals

Molecular weight:

121.14

Ref: 7W-GP9311

1kg		70.00 €
5kg		270.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Disodium hydrogen phosphate heptahydrate, USP grade

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Disodium hydrogen phosphate heptahydrate, USP grade

CAS:7782-85-6

Formula:

Na₂HPO₄· 7H₂O

Purity:

98.0 - 100.5 % (dried basis)

Color and Shape:

White crystals or crystalline powder

Molecular weight:

268.07

Ref: 7W-GK9860

1kg 82.00 €

Estimated delivery in United States, on Tuesday 2 Jul 2024

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Glycine, 99%, ACS grade

CAS:56-40-6

Formula:

C₂H₅NO₂

Purity:

≥ 98.5%

Color and Shape:

White or almost white crystalline powder or crystals

Molecular weight:

75.07

Ref: 7W-GM1110

Undefined size To inquire

Estimated delivery in United States, on Tuesday 2 Jul 2024

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