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Online Edition: "Specifications for Flavourings"

Flavouring Hexanal
Synonym(s) Hexaldehyde;Aldehyde C-6;Caproic aldehyde
Latest JECFA evaluation 1997 (Session 49)
Status of specification Full
Chemical name Hexanal
JECFA number 92
CAS number 66-25-1
FEMA number 2557
COE number 96
FLAVIS number
Molecular weight 100.16
Chemical formula C6H12O
Physical form/odour almost colourless liquid/fatty-green, grassy odour
Solubility very slightly soluble in water; miscible with alcohol, propylene glycol, most fixed oils
Solubility in ethanol
Boiling point (°C) 131°
Assay min % 97.0%
Acid value max 10
Refractive index 1.402-1.407
Specific gravity 0.808-0.817
Other requirements
ID Test IR