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B2891

Sigma-Aldrich

BES sodium salt

≥99% (titration)

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Synonym(s):
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt
Empirical Formula (Hill Notation):
C6H14NNaO5S
CAS Number:
Molecular Weight:
235.23
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

Assay

≥99% (titration)

form

crystalline powder

useful pH range

6.4-7.8

pKa (25 °C)

7.1 (Free acid)

solubility

water: 333.3 mg/mL, clear, colorless

application(s)

diagnostic assay manufacturing

SMILES string

[Na+].OCCN(CCO)CCS([O-])(=O)=O

InChI

1S/C6H15NO5S.Na/c8-4-1-7(2-5-9)3-6-13(10,11)12;/h8-9H,1-6H2,(H,10,11,12);/q;+1/p-1

InChI key

CFQLQLSIZOWFNV-UHFFFAOYSA-M

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This Item
M3885T0772H7006
BES sodium salt ≥99% (titration)

Sigma-Aldrich

B2891

BES sodium salt

MES sodium salt ≥99% (titration)

Sigma-Aldrich

M3885

MES sodium salt

TES sodium salt ≥99% (titration)

Sigma-Aldrich

T0772

TES sodium salt

HEPES sodium salt ≥99.0% (titration)

Sigma-Aldrich

H7006

HEPES sodium salt

form

crystalline powder

form

crystalline powder

form

crystalline powder

form

powder

solubility

water: 333.3 mg/mL, clear, colorless

solubility

water: 0.5 g/mL, clear, colorless

solubility

water: 0.333 g/mL, clear to slightly hazy, colorless

solubility

water: 0.1 M, clear, colorless

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

application(s)

diagnostic assay manufacturing

useful pH range

6.4-7.8

useful pH range

5.5-6.7

useful pH range

6.8-8.2

useful pH range

6.8-8.2

pKa (25 °C)

7.1 (Free acid)

pKa (25 °C)

-

pKa (25 °C)

7.5

pKa (25 °C)

7.5

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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25G
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