Methsuximid
[CAS# 77-41-8]

Identification

• Classification: API >> Nervous system medication >> Antiepileptic and anticonvulsant
• Name: Methsuximid
• Synonyms: (±)-Mesuximide; 1,3-Dimethyl-3-phenylpyrrolidine-2,5-dione; 1,3-Dimethyl-3-phenylsuccinimide; Celontin; Mesuximide; Mesuximidum; Methsuximid; Methsuximide; N,2-Dimethyl-2-phenylsuccinimide; PM 396; Petinutin; Racemic methsuximide
• Molecular Formula: C₁₂H₁₃NO₂
• Molecular Weight: 203.24
• CAS Registry Number: 77-41-8
• EC Number: 201-026-7

Properties

• Solubility: Slightly soluble (1.9 g/L) (25 ºC), Calc.^*
• Density: 1.158±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 52.5 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2020 ACD/Labs)

^** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412