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54465

Sigma-Aldrich

EPPS

BioUltra, ≥99.0% (T)

Synonym(s):

4-(2-Hydroxyethyl)-1-piperazinepropanesulfonic acid, 4-(2-Hydroxyethyl)piperazine-1-propanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N′-(3-propanesulfonic acid), HEPPS

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About This Item

Empirical Formula (Hill Notation):
C9H20N2O4S
CAS Number:
16052-06-5
Molecular Weight:
252.33
Beilstein:
3957385
EC Number:
240-198-8
MDL number:
MFCD00006160
UNSPSC Code:
12161700
PubChem Substance ID:
57651475

product line

BioUltra

Assay

≥99.0% (T)

form

powder

impurities

insoluble matter, passes filter test

pH

5.0-6.5 (25 °C, 0.1 M in H2O)

useful pH range

7.3-8.7

pKa 

8

mp

237-239 °C (lit.)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λmax

260 nm at ≤0.06

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: 0.055
λ: 280 nm Amax: 0.045

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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Other Notes

As separator in ultrathin isoelectric focusing gels - enhances the resolution of phosphoglucomutase

Storage Class Code

13 - Non 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

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Certificates of Analysis (COA)

Lot/Batch Number
396801/1
395040/1
381372/1
361988/1
356828/1

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