D0306

Sigma-Aldrich

DIPSO

BioXtra, pH 4.0-5.5 (20 °C, 0.1 M in H2O), ≥98% (titration)

Synonym(s):
3-(N,N-Bis[2-hydroxyethyl]amino)-2-hydroxypropanesulfonic acid, N,N-Bis(2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid
Empirical Formula (Hill Notation):
C7H17NO6S
CAS Number:
Molecular Weight:
243.28
Beilstein/REAXYS Number:
2105454
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

product line

BioXtra

assay

≥98% (titration)

form

powder

impurities

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

ign. residue

≤0.1%

pH

4.0-5.5 (20 °C, 0.1 M in H2O)

useful pH range

7.0 - 8.2

pKa (25 °C)

7.6

mp

189-192 °C (lit.)

solubility

H2O: 0.1 M, clear, colorless

anion traces

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

cation traces

Al: ≤0.0005%
Ca: ≤0.001%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.01%
Pb: ≤0.001%
Zn: ≤0.0005%

absorption

≤0.025 at 260 in H2O at 0.1 M
≤0.025 at 280 in H2O at 0.1 M

Featured Industry

Diagnostic Assay Manufacturing

SMILES string

OCCN(CCO)CC(O)CS(O)(=O)=O

InChI

1S/C7H17NO6S/c9-3-1-8(2-4-10)5-7(11)6-15(12,13)14/h7,9-11H,1-6H2,(H,12,13,14)

InChI key

XCBLFURAFHFFJF-UHFFFAOYSA-N

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Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Filip Duša et al.
Electrophoresis, 37(2), 363-371 (2015-10-16)
The use of bare fused silica capillary in CE can sometimes be inconvenient due to undesirable effects including adsorption of sample or instability of the EOF. This can often be avoided by coating the inner surface of the capillary. In...

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