About HEPES
HEPESPharmaceutical Secondary Standard;Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, HEPES, N-(2-Hydroxyethyl)piperazine-N-(2-ethanesulfonic acid)CAS Number7365-45-9Empirical Formula (Hill Notation)C8H18N2O4SMolecular Weight238.30PropertiesRelated CategoriesAdditional Standards,Analytical Standards,Analytical/Chromatography,Chromatography,Pharmaceutical Secondary Standards,Pharmaceutical and Drug Standards,Pharmacopeia & Metrological Institutes Standards,Secondary Pharmaceutical Standardspharmaceutical secondary standardInChI Key JKMHFZQWWAIEOD-UHFFFAOYSA-NpH 5.0-6.5 (25C, 238g/L)useful pH range 6.8 - 8.2pKa (25C) 7.5
FAQs of HEPES:
Q: What is the primary usage of HEPES in cell culture?
A: HEPES is widely used in cell culture because it is better at maintaining physiological pH despite changes in carbon dioxide concentration during aerobic respiration, compared to bicarbonate buffers.
Q: What is the molecular weight of HEPES?
A: The molecular weight of HEPES is 238.3012 grams (g).
Q: What is the appearance of HEPES?
A: HEPES appears as a white crystalline powder.
Q: What is the melting point of HEPES?
A: The melting point of HEPES is 234 C.
Q: What is the molecular formula of HEPES?
A: The molecular formula of HEPES is C8H18N2O4S.