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Online Edition: "Specifications for Flavourings"

Flavouring Nonanal dimethyl acetal
Synonym(s) Pelargonaldehyde dimethyl acetal;Pelargonic aldehyde dimethyl acetal
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 1,1-Dimethoxynonane
JECFA number 1742
CAS number 18824-63-0
FEMA number 4367
COE number
FLAVIS number
Molecular weight 188.31
Chemical formula C11H24O2
Physical form/odour Clear, colourless liquid; Fresh, fruity aroma
Solubility Insoluble in water; soluble in organic solvents
Solubility in ethanol Soluble
Boiling point (°C) 214-215°
Assay min % 98%
Acid value max 1
Refractive index 1.418-1.424
Specific gravity 0.847-0.853
Other requirements
ID Test MS