• Description


Synonyms: 1-Methylpyrrolidin-2-one, 1-Methyl-2-pyrrolidone, N-Methylpyrrolidone¸ NMP

CAS Number: 872-50-4

Catalog Number: AV-001

Applications: In the pharmaceutical industry, N-methyl-2-pyrrolidone is used in the formulation for drugs via both oral and transdermal delivery routes. NMP can be used as a solvent in agrochemicals during synthesis or as a formulation agent.

Due to its good solvency properties, NMP is used to dissolve a wide range of polymers. It is also used as a solvent for surface treatment of textiles, resins, and metal coated plastics or as a paint stripper.



colorless to transparently pale yellow liquid

Chemical formula


Molar mass

99.13 g/mol


1.028 g/mL at 25 °C(lit.)

Melting point

−24 °C

Boiling point

202 to 204 °C

Vapor pressure

0.29 mmHg ( 20 °C), 0.99 mmHg ( 40 °C)

Flash point

91 °C

Water Solubility

≥10 g/100 mL at 20 ºC

Storage temp.

Store at +5°C to +30°C.