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Online Edition: "Specifications for Flavourings"

Flavouring 4-Methyloctanoic acid
Synonym(s) Isononanoic acid
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 4-Methyloctanoic acid
JECFA number 271
CAS number 54947-74-9
FEMA number 3575
COE number 11926
FLAVIS number
Molecular weight 158.24
Chemical formula C9H18O2
Physical form/odour clear, colourless liquid with a goat, costus, mutton odour
Solubility in ethanol
Boiling point (°C) 149° (22 mmHg)
Assay min % 97%
Acid value max
Refractive index 1.433-1.440
Specific gravity 0.900-0.908 (20°/20°)
Other requirements
ID Test IR