H2030

HEPES Sodium Salt

Size

£171.00

SKU:: H2030
Molecular Weight:: 260.3
Storage Conditions:: RT
Supplier:: United States Biological
CAS Number:: 75277-39-3
Extra Details:: HEPES Sodium is a biological buffer (zwitterionic) designed by Good, et al., and typically referred to as Good’s buffer useful in cell culture media formulations. Selection of biological buffer systems should include the following criteria: exclusion by biological membranes, low absorption between 240 and 700nm, chemically stable, and stable to temperature and concentration changes. Synonyms: N-[2-Hydroxyethyl]piperazine-N’-[2-ethanesulfonic acid] sodium salt; Sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate; 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid sodium salt CAS No: 75277-39-3 Molecular Formula: C8H17N2O4SNa Molecular Weight: 260.3 Purity (Dried Basis): ≥99% Appearance: White, crystalline powder Solubility (0.1M water): Colorless, clear, complete pH (1%): 9.5-10.5 Loss on Drying (110ºC, 3 hours): ≤3% Heavy Metals: ≤0.0005% RNase, DNase, Protease: None Detected UV Absorbance (1M Water): A260: ≤0.2 A280: ≤0.2 A440: ≤0.2 Endotoxin: ≤0.5EU/mg Infrared: Conforms to reference Storage and Stability: May be stored at RT. Stable for 12 months after receipt.