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Key Documents

B2891

Sigma-Aldrich

BES sodium salt

≥99% (titration)

Synonym(s):

N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid sodium salt

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About This Item

Empirical Formula (Hill Notation):
C6H14NNaO5S
CAS Number:
Molecular Weight:
235.23
MDL number:
UNSPSC Code:
12161700
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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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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