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Online Edition: "Specifications for Flavourings"

Flavouring Phenylacetaldehyde diisobutyl acetal
Synonym(s) 1,1-Diisobutoxy-2-phenylethane
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name 1,1-Di(2-methylpropoxy)-2-phenylethane
JECFA number 1006
CAS number 68345-22-2
FEMA number 3384
COE number 595
FLAVIS number
Molecular weight 250.38
Chemical formula C16H26O2
Physical form/odour Colourless liquid; sweet floral, delicate green odour
Solubility Insoluble in water; soluble in oils
Solubility in ethanol Miscible at room temperature
Boiling point (°C) 240°; 137-139° (4 mm Hg)
Assay min % 97%
Acid value max 1
Refractive index 1.468-1.476
Specific gravity 0.928-0.936
Other requirements
ID Test IR