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Online Edition: "Specifications for Flavourings"

Flavouring Ethyl isobutyrate
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Ethyl 2-methyl propanoate
JECFA number 186
CAS number 97-62-1
FEMA number 2428
COE number 288
FLAVIS number
Molecular weight 116.16
Chemical formula C6H12O2
Physical form/odour colourless liquid/fruity odour
Solubility very soluble in ether
Solubility in ethanol 1 ml in 1 ml 95% alcohol
Boiling point (°C) 112-113°
Assay min % 98.0%
Acid value max 1
Refractive index 1.385-1.391
Specific gravity 0.862-0.868
Other requirements
ID Test IR