HEPES, Biotechnology Grade
HEP001.100
Product Description
CAS Number: [7365-45-9]
C8H18N2O4S
MW: 238.31
Purity: min. 99.5%
Useful pH Range: 6.8 - 8.2
pKa (25°C): 7.35 - 7.75
Heavy metals: < 5ppm
Solubility (1M,water): clear / complete
Moisture: max. 1%
pH (5%, water): 5.0 - 6.5
Residue on ignition: max. 0.10%
A260 (1%, water): max. 0.05
A280 (1%, water): max. 0.05
Dnase/Rnase/Protease: none detected