W205710 Sigma-Aldrich

Isoamyl alcohol

natural, ≥98%, FG

Synonym: 3-Methyl-1-butanol, Isoamyl alcohol, Isopentyl alcohol

  • CAS Number 123-51-3

  • Linear Formula (CH3)2CHCH2CH2OH

  • Molecular Weight 88.15

  •  FEMA Number 2057

  •  Beilstein/REAXYS Number 1718835

  •  EC Number 204-633-5

  •  Council of Europe no. 51

  •  MDL number MFCD00002934

  •  PubChem Substance ID 24900825

  •  Flavis number 2.003



Related Categories Alphabetical Listings, Certified Food Grade Products, Certified Natural Products, Flavors and Fragrances, Follows IFRA Guidelines,
grade   FG
  follows IFRA guidelines
reg. compliance   EU Regulation 1223/2009
  FDA 21 CFR (117)
  EU Regulation 1334/2008 & 178/2002
vapor density   3 (vs air)
vapor pressure   2 mmHg ( 20 °C)
assay   ≥98%
autoignition temp.   644 °F
expl. lim.   1.2-9 %, 100 °F
refractive index   n20/D 1.406 (lit.)
bp   130 °C (lit.)
mp   −117 °C (lit.)
density   0.809 g/mL at 25 °C (lit.)
Agency/Method   meets purity specifications of JECFA
Documentation   see Safety & Documentation for available documents
Organoleptic   banana; oily; fruity; whiskey
food allergen   no known allergens
fragrance allergen   no known allergens


General description

Isoamyl alcohol is a cyanobacterial volatile organic compound that has been identified as one of the main aroma/flavor constituents in banana fruit, karanda fruit and in whey spirit.


1 kg in glass bottle

4 kg in steel drum

8, 20 kg in composite drum

Other Notes

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