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Substance Name: 2H-Pyran-2-one
RN: 504-31-4
UNII: 8WW45I202V
InChIKey: ZPSJGADGUYYRKE-UHFFFAOYSA-N

Molecular Formula

  • C5-H4-O2

Molecular Weight

  • 96.0846
 
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Names and Synonyms

Name of Substance

  • 2H-Pyran-2-one

Synonyms

  • 2-Pyranone
  • alpha-Pyrone
  • Coumalin
  • EINECS 207-990-5
  • UNII-8WW45I202V

Systematic Names

  • 2H-Pyran-2-one
  • 2H-Pyrane-2-one

Registry Numbers

CAS Registry Number

  • 504-31-4

FDA UNII

  • 8WW45I202V

System Generated Number

  • 0000504314

Structure Descriptors

InChI

1S/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H

InChIKey

ZPSJGADGUYYRKE-UHFFFAOYSA-N

Smiles

O=C1OC=CC=C1

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 8.5 deg C   EXP
Boiling Point 207.5 deg C   EXP
log P (octanol-water) -0.240 (none)   EST
Atmospheric OH Rate Constant 4.97E-11 cm3/molecule-sec 25 EST

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