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Online Edition: "Specifications for Flavourings"

Flavouring 2-Methyloctanal
Synonym(s) Methyl hexyl acetaldehyde
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 2-Methyloctanal
JECFA number 270
CAS number 7786-29-0
FEMA number 2727
COE number 113
FLAVIS number
Molecular weight 142.24
Chemical formula C9H18O
Physical form/odour colourless, oily liquid with a rose, lily-like odour
Solubility soluble in alcohol and most fixed oils; insoluble in water
Solubility in ethanol
Boiling point (°C) 82-83° (20 mm Hg)
Assay min % 96.5%
Acid value max
Refractive index 1.423 (14°)
Specific gravity 0.841 (0°)
Other requirements
ID Test IR