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 1: / Line 1: @@
 == Description ==
-A colorless liquid with a mild, amine-like odor. Methylpyrrolidone, or MP, is industrially as a [http://cameo.mfa.org/materials/fullrecord.asp?name=solvent solvent] for the extraction of aromatic compounds from lubrication oils. It also dissolves many [http://cameo.mfa.org/materials/fullrecord.asp?name=polymer polymers] and old [http://cameo.mfa.org/materials/fullrecord.asp?name=varnish varnishes].
+A colorless liquid with a mild, amine-like odor. Methylpyrrolidone, or MP, is industrially as a
+[[solvent|solvent]] for the extraction of aromatic compounds from lubrication oils. It also dissolves many
+[[polymer|polymers]] and old
+[[varnish|varnishes]].
+[[[SliderGallery rightalign|aaiNMPYRROLIDONE.jpg~FTIR|methylpyrrolidone.jpg~Chemical structure]]]
 == Synonyms and Related Terms ==
@@ Line 7: / Line 11: @@
 methyl pyrrolidone; 1-methyl-2-pyrrolidinone; n-methyl-2-pyrrolidone; n-methyl-2-butyrolactone; NMP; MP; M-Pyrol
-[[[SliderGallery rightalign|aaiNMPYRROLIDONE.jpg~FTIR|methylpyrrolidone.jpg~Chemical structure]]]
+== 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: [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
-== Other Properties ==
+==Physical and Chemical Properties==
 Miscible with water, alcohols, ether, acetone, ethyl acetate, chloroform, benzene and castor oil.
@@ Line 22: / Line 32: @@
 |-
 ! scope="row"| Melting Point
-| -24.4
+| -24.4 C
 |-
 ! scope="row"| Density
-| 1.027
+| 1.027 g/ml
 |-
 ! scope="row"| Molecular Weight
@@ Line 34: / Line 44: @@
 |-
 ! scope="row"| Boiling Point
-| 202
+| 202 C
 |}
-== Hazards and Safety ==
+==Resources and Citations==
-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.
-LINK: [http://www.cdc.gov/niosh/ipcsneng/neng0513.html International Chemical Safety Card]
-== Sources Checked for Data in Record ==
 * ''The Merck Index'', Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996  Comment: entry 6197