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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Identification

Chemical structure
Display Name:
1-methyl-2-pyrrolidone
EC Number:
212-828-1
EC Name:
1-methyl-2-pyrrolidone
CAS Number:
872-50-4
Molecular formula:
C5H9NO
IUPAC Name:
1-methylpyrrolidin-2-one

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 1-Methyl-2-pyrrolidinone
  • 1-Methyl-2-pyrrolidone
  • 1-Methyl-5-pyrrolidinone
  • 1-Methylazacyclopentan-2-one
  • 1-Methylpyrrolidinone
  • 1-Methylpyrrolidone
  • 1-methyl-2-pyrrolidone
  • 2-Pyrrolidinone, 1-methyl- (7CI, 8CI, 9CI)
  • 2-Pyrrolidinone, 1-methyl-(7Cl, 8Cl, 9Cl)
  • M-Pyrol
  • N-METHYL-2-PYRROLIDONE
  • N-METHYLPYROLIDONE
  • N-Methyl pyrrolidone
  • N-Methyl-.alpha.-pyrrolidinone
  • N-Methyl-.alpha.-pyrrolidone
  • N-Methyl-.gamma.-butyrolactam
  • N-Methyl-2-Pyrrolidone (NMP)
  • N-Methyl-2-pyrrolidinone
  • N-Methyl-2-pyrrolidone
  • N-Methyl-Pyrrolidone
  • N-Methylpyrrolidinone
  • N-Methylpyrrolidon
  • N-Methylpyrrolidone
  • N-methyl pyrrolidone
  • NMP
  • Pyrol-M
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    1-methyl-2-pyrrolidone
    EC Number:
    212-828-1
    EC Name:
    1-methyl-2-pyrrolidone
    CAS Number:
    872-50-4
    Molecular formula:
    C5H9NO
    IUPAC Name:
    1-methylpyrrolidin-2-one
    State Form:
    liquid