W310301 Sigma-Aldrich


≥99%, FCC, FG

Synonym: γ-Methyl-γ-butyrolactone, 4,5-Dihydro-5-methyl-2(3H)-furanone, 4-Hydroxypentanoic acid lactone

  • CAS Number 108-29-2

  • Empirical Formula (Hill Notation) C5H8O2

  • Molecular Weight 100.12

  •  FEMA Number 3103

  •  Beilstein Registry Number 80420

  •  EC Number 203-569-5

  •  Council of Europe no. 757

  •  MDL number MFCD00005400

  •  PubChem Substance ID 24901468

  •  Flavis number 10.013



Related Categories Alphabetical Listings, Certified Food Grade Products, E-H, Flavors and Fragrances, Follows IFRA Guidelines,
biological source   synthetic
grade   FG
  follows IFRA guidelines
reg. compliance   EU Regulation 1223/2009
  EU Regulation 1334/2008 & 178/2002
vapor density   3.45 (vs air)
assay   ≥99%
refractive index   n20/D 1.432(lit.)
bp   207-208 °C(lit.)
  82-85 °C/10 mmHg(lit.)
mp   −31 °C (lit.)
density   1.05 g/mL at 25 °C(lit.)
Agency/Method   meets purity specifications of JECFA
Documentation   see Safety & Documentation for available documents
Organoleptic   cocoa; herbaceous; woody; sweet; warm
food allergen   no known allergens
fragrance allergen   no known allergens
Gene Information   human ... CYP1A2(1544)



1 kg in poly bottle

5 kg in steel drum

10 kg in composite drum

General description

γ-Valerolactone has been identified as one of the volatile flavor constituents in mango and honey.

Other Notes

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Protocols & Articles


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