Oxyphenbutazone

羟基保泰松

Also known as: 4-Butyl-1-(4-hydroxyphenyl)-2-phenyl-3,5-pyrazolidinedione, 1-(p-Hydroxyphenyl)-2-phenyl-4-butyl-3,5-pyrazolidinedione, 1-Phenyl-2-(p-hydroxyphenyl)-3,5-dioxo-4-butylpyrazolidine, p-Oxyphenylbutazone, G 27202, Tanderil, Oxazolidin

Oxyphenbutazone (CAS 129-20-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H20N2O3 and a molecular weight of 324.37400 g/mol. It is also known as 4-Butyl-1-(4-hydroxyphenyl)-2-phenyl-3,5-pyrazolidinedione, 1-(p-Hydroxyphenyl)-2-phenyl-4-butyl-3,5-pyrazolidinedione and 1-Phenyl-2-(p-hydroxyphenyl)-3,5-dioxo-4-butylpyrazolidine. Key properties include a melting point of 109-111°C, a boiling point of 485.6ºC at 760mmHg, a density of 1.241g/cm3 and a flash point of 247.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

129-20-4

Jingsj CID

J-30236-4

Molecular Formula

C₁₉H₂₀N₂O₃

Chinese Name

羟基保泰松

Molecular Weight

324.37400 g/mol

Category

Organic Compounds

Last updated

8/21/2026