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Online Edition: "Specifications for Flavourings"

Flavouring 2-Methylvaleric acid
Latest JECFA evaluation 1998 (Session 51)
Status of specification Full
Chemical name 2-Methylpentanoic acid
JECFA number 261
CAS number 97-61-0
FEMA number 2754
COE number 31
FLAVIS number
Molecular weight 116.16
Chemical formula C6H12O2
Physical form/odour colourless to pale yellow liquid with a caramel, pungent odour
Solubility in ethanol 1 ml in 1 ml 95% alcohol
Boiling point (°C) 196-197°
Assay min % 98.0%
Acid value max
Refractive index 1.411-1.416
Specific gravity 0.919-0.922
Other requirements
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