E1894

Sigma-Aldrich

EPPS

BioXtra, ≥99.5% (titration)

Synonym(s):
N-(2-Hydroxyethyl)piperazine-N′-(3-propanesulfonic acid), HEPPS, 4-(2-Hydroxyethyl)piperazine-1-propanesulfonic acid, 4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic acid
Empirical Formula (Hill Notation):
C9H20N2O4S
CAS Number:
Molecular Weight:
252.33
Beilstein/REAXYS Number:
3957385
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

product line

BioXtra

assay

≥99.5% (titration)

form

powder

impurities

≤0.005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤0.1%

pH

5.0-7.0 (20 °C, 1 M in H2O)

useful pH range

7.3 - 8.7

pKa 

8

mp

237-239 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

bromide (Br-): ≤0.1%

cation traces

Al: ≤0.0005%
Ca: ≤0.002%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.1%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

absorption

≤0.1 at 260 in H2O at 1 M
≤0.1 at 280 in H2O at 1 M

Featured Industry

Diagnostic Assay Manufacturing

SMILES string

OCCN1CCN(CCCS(O)(=O)=O)CC1

InChI

1S/C9H20N2O4S/c12-8-7-11-5-3-10(4-6-11)2-1-9-16(13,14)15/h12H,1-9H2,(H,13,14,15)

InChI key

OWXMKDGYPWMGEB-UHFFFAOYSA-N

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Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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