H7637

HEPES hemisodium salt

≥99% (titration)

• Synonym(s): 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid hemisodium salt, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) hemisodium salt
• Empirical Formula (Hill Notation): C₈H_17.5N₂O₄S· 0.5Na
• CAS Number: 103404-87-1
• Molecular Weight: 249.30
• MDL number: MFCD00036463
• UNSPSC Code: 12161700
• PubChem Substance ID: 24895802
• NACRES: NA.25

Properties

• Quality Level: 200
• assay: ≥99% (titration)
• form: powder
• pH: 7.4-7.7 (25 °C, 0.1 M in water)
• useful pH range: 6.8-8.2
• pKa: 7.5
• solubility: water: soluble 0.5 g/mL
• application(s): diagnostic assay manufacturing
• storage temp.: room temp
• SMILES string: [Na+].OCCN1CCN(CC1)CCS([O-])(=O)=O
• InChI: 1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1
• InChI key: RDZTWEVXRGYCFV-UHFFFAOYSA-M

Safety Information

• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)