B6420

Sigma-Aldrich

BES

BioXtra, ≥99.0% (titration)

Synonym(s):
N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid, N,N-Bis(2-hydroxyethyl)taurine
Empirical Formula (Hill Notation):
C6H15NO5S
CAS Number:
Molecular Weight:
213.25
Beilstein/REAXYS Number:
1781572
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

product line

BioXtra

assay

≥99.0% (titration)

form

crystalline

impurities

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.2%

pH

2.5-5.0 (25 °C, 213.3 g/L)

useful pH range

6.4 - 7.8

pKa (25 °C)

7.1

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

absorption

≤0.080 at 280 in H2O at 1 M
≤0.095 at 260 in H2O at 1 M

SMILES string

OCCN(CCO)CCS(O)(=O)=O

InChI

1S/C6H15NO5S/c8-4-1-7(2-5-9)3-6-13(10,11)12/h8-9H,1-6H2,(H,10,11,12)

InChI key

AJTVSSFTXWNIRG-UHFFFAOYSA-N

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RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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