Merck
All Photos(5)

E9502

Sigma-Aldrich

EPPS

≥99.5% (titration)

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

Quality Level

assay

≥99.5% (titration)

form

powder

pH

7.3-8.7

useful pH range

7.3-8.7

pKa (25 °C)

8.0

pKa 

8

mp

237-239 °C (lit.)

solubility

H2O: 25 g + 50 mL, clear, colorless

λmax

A290 at ≤0.1 (C=33% w/w)

application(s)

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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Related Categories

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

Certificate of Analysis

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Certificate of Origin

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