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Online Edition: "Specifications for Flavourings"

Flavouring 2-Methylbutyric acid
Latest JECFA evaluation 1998 (Session 51)
Status of specification Full
Chemical name 2-Methylbutyric acid
JECFA number 255
CAS number 116-53-0
FEMA number 2695
COE number 2002
FLAVIS number
Molecular weight 102.13
Chemical formula C5H10O2
Physical form/odour colourless to pale yellow liquid
Solubility in ethanol 1 ml in 1 ml 95% alcohol
Boiling point (°C) 176°
Assay min % 98.0%
Acid value max
Refractive index 1.404-1.408
Specific gravity 0.932-0.936
Other requirements
ID Test IR