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Online Edition: "Specifications for Flavourings"

Flavouring Methyl isobutyrate
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Methyl 2-methyl propanoate
JECFA number 185
CAS number 547-63-7
FEMA number 2694
COE number 287
FLAVIS number
Molecular weight 102.13
Chemical formula C5H10O2
Physical form/odour colourless liquid
Solubility in ethanol 1 ml in 1 ml 95% alcohol
Boiling point (°C) 90°
Assay min % 97.0%
Acid value max 1
Refractive index 1.382-1.386
Specific gravity 0.884-0.888
Other requirements
ID Test IR