Propyphenazone

Also known as: 4-Isopropylantipyrine, 1,2-Dihydro-1,5-dimethyl-4-(1-methylethyl)-2-phenyl-3H-pyrazol-3-one, 1,2-Dihydro-4-isopropyl-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one, 1,5-dimethyl-4-(1-methylethyl)-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, 2,3-Dimethyl-1-phenyl-4-isopropylpyrazolone, 3-Pyrazolin-5-one, 4-isopropyl-2,3-dimethyl-1-phenyl-, 4-Isopropyl-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, 4-Isopropyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one, 4-Isopropyl-2,3-dimethyl-1-phenyl-5-pyrazolone, 4-Isopropyl-2,3-dimethyl-5-oxo-1-phenyl-3-pyrazoline, 4-isopropyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-on, 4-isopropyl-antipyrin, ANTIBIOTICTPJ-B, Eufibron, Isopropchin, Isopropylantipyrine, Isopropylantipyrinum, Isopropylphenazone, Isopropyrine, Isopyrine

Propyphenazone (CAS 479-92-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H18N2O and a molecular weight of 230.305 g/mol. Key properties include a melting point of 102-105°C, a boiling point of 319.0±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 123.8±15.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

479-92-5

Jingsj CID

J-26486-8

Molecular Formula

C₁₄H₁₈N₂O

Molecular Weight

230.305 g/mol

Category

Organic Compounds

Last updated

8/21/2026