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Online Edition: "Specifications for Flavourings"

Flavouring 3,7-Dimethyloctanal
Synonym(s) dihydrocitronellal;6,7-dihydrocitronellal;3,7-dimethyl octanal;3,7-dimethyl-1-octanal;tetrahydrocitral;tetrahydrogeranial
Latest JECFA evaluation 2012 (Session 76)
Status of specification Full
Chemical name 3,7-Dimethyloctanal
JECFA number 2176
CAS number 5988-91-0
FEMA number 4348
COE number
FLAVIS number
Molecular weight 156.27
Chemical formula C10H20O
Physical form/odour Clear colourless to pale yellow solution; Onion aroma with fruity undertones
Solubility Practially insoluble to insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 270-272º
Assay min % 98%
Acid value max
Refractive index 1.451-1.457 (25°)
Specific gravity 1.085-1.095
Other requirements
ID Test MS