2-Pyrrolidone
Properties
- Molecular formula
- C4H7NO
- Molar mass
- 85.11 g/mol
- Exact mass
- 85.0528 Da
- Density
- 1.116 g/mL (at 25 °C)
- Melting point
- 25 °C
- Boiling point
- 76 °C (at 0.2 Torr)
- pKa
- 14.7
- Flash point
- 129 °C (open cup)
- Water solubility
- soluble
- logP
- 0.74Crippen estimate
- Polar surface area
- 32.6 Ų
- H-bond donors / acceptors
- 1 / 1
- Rotatable bonds
- 0
Hazards
Danger
- H315 Causes skin irritation17.4% of notifiers
- H318 Causes serious eye damage12% of notifiers
- H319 Causes serious eye irritation65.7% of notifiers
- H335 May cause respiratory irritation12.5% of notifiers
- H360 May damage fertility or the unborn child18.1% of notifiers
- H360D May damage the unborn child24.3% of notifiers
Aggregated from 551 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P203, P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P305+P354+P338, P317, P318, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Identifiers
CAS number
616-45-5SMILES
OC1=NCCC1InChIKey
HNJBEVLQSNELDL-UHFFFAOYSA-NInChI
InChI=1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
21 names · show all
- 2-Pyrrolidinone
- γ-Butyrolactam
- α-Pyrrolidone
- γ-Aminobutyric lactam
- α-Pyrrolidinone
- Butyrolactam
- Pyrrolidone
- γ-Aminobutyrolactam
- 2-Oxopyrrolidine
- 2-Pyrol
- 4-Aminobutyric acid lactam
- γ-Aminobutyric acid lactam
- 2-Tetrahydropyrrolone
- Butanoic acid, 4-amino-, lactam
- Azacyclopentan-2-one
- NSC 4593
- NSC 8413
- Soluphor P
- 2-Oxo-4-butyrolactam
- Kollisolv PYR
- Pyrrolidin-2-one
Work with 2-Pyrrolidone
Similar compounds
2-Piperidinone675-20-783 % similar
Caprolactam105-60-279 % similar
Enantholactam673-66-579 % similar
Octahydro-2H-azonin-2-one935-30-879 % similar
Laurolactam947-04-679 % similar
2-Azetidinone930-21-267 % similar
Adelmidrol1675-66-761 % similar
Ethylene bis(stearamide)110-30-556 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds