2-Pyrrolidone

2-Pyrrolidone
IUPAC name 2-Pyrrolidone
Identifiers
CAS number	616-45-5 Y
ChemSpider	11530 Y
UNII	KKL5D39EOL Y
ChEBI	CHEBI:36592 Y
ChEMBL	CHEMBL276849 Y
Jmol-3D images	Image 1
SMILES O=C1NCCC1
InChI InChI=1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6) Y Key: HNJBEVLQSNELDL-UHFFFAOYSA-N Y InChI=1/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6) Key: HNJBEVLQSNELDL-UHFFFAOYAP
Properties
Molecular formula	C4H7NO
Molar mass	85.11 g/mol
Density	1.116 g/cm³
Melting point	<25 °C
Boiling point	245 °C, 518 K, 473 °F
Hazards
MSDS	ScienceLab.com
NFPA 704	1 2 0
Flash point	129°C (open cup)
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

2-Pyrrolidone (2-Pyrrolidinone,2-Pyrol) is an organic compound consisting of a five-membered lactam. It is a colorless liquid which is used in industrial settings as a high-boiling non-corrosive polar solvent for a wide variety of applications. It is miscible with a wide variety of other solvents including water, ethanol, diethyl ether, chloroform, benzene, ethyl acetate and carbon disulfide.

2-Pyrrolidone is an intermediate in the manufacture of polymers such as polyvinylpyrrolidone and polypyrrolidone.

See also

• N-Methylpyrrolidone (NMP)
• N-Vinylpyrrolidone (NVP)