2-Pyrrolidone

C4H7NOCAS 616-45-585.11 g/mol

OHN

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
Corrosive (GHS05)Irritant (GHS07)Health Hazard (GHS08)

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
616-45-5
SMILES
OC1=NCCC1
InChIKey
HNJBEVLQSNELDL-UHFFFAOYSA-N
InChI
InChI=1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)

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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

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere