2(5H)-furanone

Full Material List
5H-furan-2-one

Identifiers

FEMA 4138
CAS 497-23-4
EINECS 207-839-3
Synonyms
  • 2- buten-1,4-olide
  • 2- buten-4-olide
  • 2- butenoic acid gamma-lactone
  • 2- butenolide
  • delta,alpha,beta- butenolide
  • gamma- crotolactone
  • alpha,beta- crotonolactone
  • gamma- crotonolactone
  • iso crotonolactone
  • 2-oxo-2,5- dihydrofuran
  • 5H- furan-2-one
  • furan-2(5H)-one
  • furan-2(5H)-one; 2-Buten-1,4-olide
  • 2[5H]- furanone
  • 5- hydrofuran-2-one
  • 4- hydroxy-2-butenoic acid gamma-lactone
  • 4- hydroxy-2-butenoic acid lactone
  • 4- hydroxycrotonic acid gamma-lactone
  • gamma- hydroxycrotonic acid lactone
JECFA Food Flavoring 2000
JECFA Food Additive N/A
DG SANTE Food Flavourings 10.066 furan-2(5H)-one
DG SANTE Food Contact Materials N/A
FDA UNII 8KXK25H388
CoE Number N/A
XlogP3-AA -0.60 (est)
Molecular Weight 84.07428
Molecular Formula C4 H4 O2

Organoleptic

Organoleptic Notes
  • 1. Odor Type: buttery buttery
  • Odor Description:buttery
  • Odor and/or flavor descriptions from others (if found).
Odor buttery
buttery,
Flavor N/A

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Properties

Food Chemicals Codex Listed No
Appearance colorless to pale brown yellow clear liquid (est)
Assay 95.00 to 100.00
Specific Gravity 1.18200 to 1.18800 @ 25.00 °C.
Lbs/Gal (est) 9.835 to 9.885
Refractive Index 1.46600 to 1.47200 @ 20.00 °C.
Melting Point 4.00 to 5.00 °C. @ 760.00 mm Hg
Boiling Point 214.00 °C. @ 760.00 mm Hg
Flash Point 214.00 °F. TCC ( 101.11 °C. )
Acid Value N/A
Vapor Pressure 0.273000 mmHg @ 25.00 °C. (est)
Vapor Density N/A
logP (o/w) -0.6
Soluble In
  • alcohol
  • water, 4.178e+005 mg/L @ 25 °C (est)
Occurrence
  • beer
  • bread white bread
  • coffee
  • filbert roasted filbert
  • fish
  • hazelnut
  • honey
  • licorice root
  • onions heated in butter
  • peanut roasted peanut
  • pomegranate fruit juice
  • saffron
  • tea rooibos tea
  • wood smoke