1-Benzyl-2-pyrrolidinone

Pharmaceutical Materials 2025-03-02

CAS Number: 5291-77-0

Molecular Formula: C11H13NO

Molecular Weight: 175.227 g/mol

Appearance: Clear, colorless to yellow liquid

Boiling Point: 343.04°C

Density: 1.14 g/cm³

Usage: Used as intermediates in pharmaceuticals, pesticides, printing and dyeing auxiliaries, organic synthesis, surfactants, solvents, etc.

Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.

 

Attribute Details
Chemical Name 1-Benzyl-2-pyrrolidinone
Synonyms N-Benzyl-2-pyrrolidinone; 1-(Phenylmethyl)-2-pyrrolidinone; N-Benzyl-γ-butyrolactam; 1-Benzyl-2-pyrrolidone
CAS Number 1047-14-3
Molecular Formula C11H13NO
Molecular Weight 175.23 g/mol
Appearance Clear, colorless to slightly yellow liquid
Density 1.077 g/mL at 25 °C
Boiling Point 285-286 °C (lit.)
Flash Point 121 °C
Refractive Index 1.540-1.542 at 20 °C
Solubility Soluble in organic solvents such as ethanol, ether, and chloroform; slightly soluble in water
Stability Stable under normal conditions; incompatible with strong oxidizing agents and acids
Chemical Properties Lactam with a benzyl group attached to the nitrogen atom; reacts as both a nucleophile and an electrophile
Applications Used as a solvent for organic synthesis; also used in the preparation of pharmaceuticals, pesticides, and dyes; acts as a plasticizer and a viscosity modifier in various formulations
Safety Information May cause skin and eye irritation; may be harmful if swallowed or inhaled; refer to the MSDS for detailed safety information and appropriate handling procedures