W217913 Sigma-Aldrich

Isobutyl alcohol

natural, ≥99%, FCC, FG

Synonym: 2-Methyl-1-propanol, Isobutanol, Isobutyl alcohol

  • CAS Number 78-83-1

  • Linear Formula (CH3)2CHCH2OH

  • Molecular Weight 74.12

  •  FEMA Number 2179

  •  Beilstein Registry Number 1730878

  •  EC Number 201-148-0

  •  Council of Europe no. 49

  •  MDL number MFCD00004740

  •  PubChem Substance ID 24900893

  •  Flavis number 2.001



Related Categories Alphabetical Listings, Certified Food Grade Products, Certified Natural Products, Flavors and Fragrances, H-J,
grade   FG
  follows IFRA guidelines
reg. compliance   EU Regulation 1223/2009
  FDA 21 CFR (117)
  EU Regulation 1334/2008 & 178/2002
vapor density   2.55 (vs air)
vapor pressure   8 mmHg ( 20 °C)
  8.8 mmHg ( 0 °C)
assay   ≥99%
autoignition temp.   801 °F
expl. lim.   10.6 %
refractive index   n20/D 1.396(lit.)
bp   108 °C(lit.)
  108 °C
mp   −108 °C (lit.)
density   0.803 g/mL at 25 °C(lit.)
Documentation   see Safety & Documentation for available documents
Organoleptic   ethereal; wine-like
food allergen   no known allergens
fragrance allergen   no known allergens



1 kg in glass bottle

8 kg in steel drum

General description

Isobutyl alcohol is a water-soluble aliphatic alcohol that can be used as flavoring agent. It has been identified as one of the aroma/flavor compounds produced by Saccharomyces cerevisiae during the semiaerobic fermentation of grapes to form wine.

Other Notes

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