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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
1-methylpyrrolidin-2-one

Inventory

EC number:
212-828-1
EC name:
1-methyl-2-pyrrolidone
CAS number:
872-50-4
CAS number:
872-50-4
Synonyms
Names:
1-Methyl-2-pyrrolidone
1-methyl-2-pyrrolidone
2-Pyrrolidinone, 1-methyl-
2-Pyrrolidinone,1-methyl-
M-Pyrol
N-methyl-2-pyrrolidone
NMP
Identifier:
CAS number
872-50-4
Identifier:
EC number
212-828-1
Identifier:
IUPAC name
1-Methyl-2-pyrrolidone (NMP)
Identifier:
IUPAC name
1-Methylpyrrolidin-2-one
Identifier:
IUPAC name
1-methyl-2-pyrrolidone
Identifier:
IUPAC name
1-methylpyrrolidin-2-one
Identifier:
other: ECHA Substance ID
100.011.662
Identifier:
other: InChl
InChI=1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
Identifier:
other: SMILES notation
O=C1CCCN1C
1-methylpyrrolidin-2-one

Molecular and structural information

Molecular formula:
C5H9NO
Molecular weight:
99.131
SMILES notation:
CN1CCCC1=O
InChl:
InChI=1/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
Structural formula:
Chemical structure

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