ISOBUTANOL
Prepared at the 51st JECFA (1998), published in FNP 52 Add 6 (1998) superseding earlier specifications prepared by the 28th JECFA (1984),
published in FNP 31/2 (1984) and republished in FNP 52 (1992). Metals and arsenic specifications revised at the 63rd JECFA (2004) No ADI
allocated at the 23rd JECFA in 1979.
SYNONYMS Isobutyl alcohol, IBA, isopropyl carbinol
DEFINITION
Chemical names 2-Methyl-1-propanol, 2-methylpropan-1-ol
C.A.S. number 78-83-1
Chemical formula C4H10O
Structural formula (CH3)2CHCH2OH
Formula weight 74.12
Assay Not less than 99% of C4H10O
DESCRIPTION Clear, colourless, flammable liquid with a characteristic odour
FUNCTIONAL USES Extraction solvent, flavouring agent (see "Flavouring agents" monograph JECFA no. 251)
