Oxyphenbutazone
[CAS# 129-20-4]

Identification

• Classification: API >> Antipyretic analgesics >> Non-steroidal anti-inflammatory drugs
• Name: Oxyphenbutazone
• Synonyms: 4-Butyl-2-(p-hydroxyphenyl)-1-phenyl-3,5-pyrazolidinedione; Butapirone; Californit; Crovaril; Flamaril; Floghene; Flogitolo; Flogoril; Frabel; G 27202; Metabolite I; NSC 526053; Neo-Farmadol; Offitril; Oxalid; Oxazolidin; c; Oxyphenobutazone; Oxyphenylbutazone; Rapostan; Ro 04-4410; Romaxin; Suganril; Tandacote; Tandearil; Tanderil; Telidal; Tendearil; Visubutina; p-Hydroxyphenylbutazone; p-Oxyphenylbutazone
• Molecular Formula: C₁₉H₂₀N₂O₃
• Molecular Weight: 324.37
• CAS Registry Number: 129-20-4
• EC Number: 204-936-2

Properties

• Solubility: Practically insoluble (0.071 g/L) (25 ºC), Calc.^*
• Density: 1.241±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 124-125 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** "Drugs - Synonyms and Properties" data were obtained from Ashgate Publishing Co. (US)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410