Skip Navigation
ChemIDplus A TOXNET DATABASE LiteBrowseAdvanced

Substance Name: 2(5H)-Furanone
RN: 497-23-4
UNII: 8KXK25H388
InChIKey: VIHAEDVKXSOUAT-UHFFFAOYSA-N

Note

  • Inhibits experimental allergic encephalomyelitis in rats.

Molecular Formula

  • C4-H4-O2

Molecular Weight

  • 84.0736
 

Classification Codes

  • Anti-Obesity Agents
  • Appetite Depressants
  • Central Nervous System Agents
  • Immunologic Factors
  • Immunosuppressive Agents
  • Mutation Data
  • Reproductive Effect
* denotes mobile formatted website

Links to Resources


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • 2(5H)-Furanone
  • Butenolide

Synonyms

  • 2-Buten-4-olide
  • 2-Butenoic acid gamma-lactone
  • 2-Butenoic acid, 4-hydroxy-, gamma-lactone
  • 2-Butenoic acid-gamma-lactone
  • 2-Butenolide
  • 2-Oxo-2,5-dihydrofuran
  • 4-Hydroxy-2-butenoic acid lactone
  • 4-Hydroxycrotonic acid gamma-lactone
  • 5-17-09-00112 (Beilstein Handbook Reference)
  • alpha,beta-Crotonolactone
  • BRN 0383585
  • CCRIS 5722
  • delta,alpha,beta-Butenolide
  • EINECS 207-839-3
  • gamma-Crotolactone
  • gamma-Hydroxycrotonic acid lactone
  • HSDB 8151
  • Isocrotonolactone
  • NSC 197009
  • UNII-8KXK25H388

Systematic Names

  • 2(5H)-Furanone
  • Butenolide
  • Crotonic acid, 4-hydroxy-, gamma-lactone (6CI,7CI)
  • Furan-2(5H)-one

Registry Numbers

CAS Registry Number

  • 497-23-4

FDA UNII

  • 8KXK25H388

System Generated Number

  • 0000497234

Structure Descriptors

InChI

1S/C4H4O2/c5-4-2-1-3-6-4/h1-2H,3H2

InChIKey

VIHAEDVKXSOUAT-UHFFFAOYSA-N

Smiles

C=1COC(C1)=O

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 4.5 deg C   EXP
log P (octanol-water) -0.6 (none)   EXP
Water Solubility 4.18E+05 mg/L 25 EST
Vapor Pressure 0.981 mm Hg 25 EST
Henry's Law Constant 4.81E-05 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.22E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.