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HEPES

Catalog No. H4034 Name Sigma Aldrich
CAS Number 7365-45-9 Website http://www.sigmaaldrich.com
M. F. C8H18N2O4S Telephone 1-800-521-8956
M. W. 238.30452 Fax
Purity ≥99.5% (titration) Email
Storage Chembase ID: 102506

SYNONYMS

IUPAC name
2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonic acid
IUPAC Traditional name
hepes
Synonyms
4-(2-羟乙基)哌嗪-1-乙磺酸
N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)

DATABASE IDS

PubChem SID 24895616
CAS Number 7365-45-9
Beilstein Number 883043
EC Number 230-907-9
MDL Number MFCD00006158

PROPERTIES

Cation Traces Fe: ≤5 ppm
Cation Traces heavy metals (as Pb): ≤5 ppm
Foreign Activity DNase, RNase, NICKase, protease, none detected
Grade Biotechnology Performance Certified
Impurities endotoxin and total aerobic microbial count, tested
pH Range 6.8 - 8.2
Purity ≥99.5% (titration)
Quality Level ELITE
Suitability cell culture tested
Absorption Wavelength A0.1M/260, H2O ≤0.05
Absorption Wavelength A0.1M/280, H2O ≤0.05
pKa 7.5
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS TL6809000
German water hazard class 1

DETAILS

Description (简体中文)
Other Notes
使用 HEPES 规格表可以非常方便地比较 HEPES 产品的规格。

REFERENCES