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Online Edition: "Specifications for Flavourings"

Flavouring Citral
Synonym(s) Geranial and neral;Lemarome
Latest JECFA evaluation 2003 (Session 61)
Status of specification Full
Chemical name 3,7-Dimethyl-2,6-octadienal
JECFA number 1225
CAS number 5392-40-5
FEMA number 2303
COE number
FLAVIS number 05.020
Molecular weight 152.24
Chemical formula C10H16O
Physical form/odour Pale yellow oily liquid; strong lemon aroma
Solubility Insoluble in glycerol; very slightly soluble in water; soluble in fixed oils, mineral oil, propylene glycol
Solubility in ethanol soluble
Boiling point (°C) 228°
Assay min % 96% (sum of cis- and trans- isomers)
Acid value max 5
Refractive index 1.486-1.490
Specific gravity 0.885-0.891
Other requirements
ID Test IR