Difference between revisions of "Methylpyrrolidone"

Latest revision as of 12:29, 17 April 2024

Description

A colorless liquid with a mild, amine-like odor. Methylpyrrolidone, or MP, is industrially as a Solvent for the extraction of aromatic compounds from lubrication oils. It also dissolves many polymers and old varnishes.

FTIR

Chemical structure

Synonyms and Related Terms

methyl pyrrolidone; 1-methyl-2-pyrrolidinone; n-methyl-2-pyrrolidone; n-methyl-2-butyrolactone; NMP; MP; M-Pyrol

Risks

Combustible. Flash point = 96C
Decomposes on burning to produce toxic fumes including nitrogen oxides and carbon monoxide.
Contact cause severe irritation to eyes and skin.
ThermoFisher: SDS
EPA lists methylpyrrolidone as hazardous waste (ignitable, toxic); Concentrations over 10% must be disposed of appropriately

Physical and Chemical Properties

Miscible with water, alcohols, ether, acetone, ethyl acetate, chloroform, benzene and castor oil.

Composition	C5H9NO
CAS	872-50-4
Melting Point	-24.4 C
Density	1.027 g/ml
Molecular Weight	mol. wt. = 99.1
Refractive Index	1.4690
Boiling Point	202 C

Resources and Citations

The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 6197

Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

@@ Line 17: / Line 17: @@
 * Contact cause severe irritation to eyes and skin.
 * ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=O36884&productDescription=1-METHYL-2-PYRROLIDINONE+P+4L&vendorId=VN00033897&countryCode=US&language=en SDS]
+* EPA lists methylpyrrolidone as hazardous waste (ignitable, toxic); Concentrations over 10% must be disposed of appropriately
 ==Physical and Chemical Properties==