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Online Edition: "Specifications for Flavourings"

Flavouring Benzyl 2-methoxyethyl acetal
Synonym(s) Acetaldehyde benzyl 2-methoxyethyl mixed acetal;1-Benzyloxy-1-(2-methoxyethoxy)ethane
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 1-Benzyloxy-1-(2-methoxyethoxy)ethane
JECFA number 840
CAS number 7492-39-9
FEMA number 2148
COE number 523
FLAVIS number
Molecular weight 210.27
Chemical formula C12H18O3
Physical form/odour colourless liquid with a mild, sweet, green-fruity odour
Solubility insoluble in water; soluble in organic solvents, oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 161-162° (10 mm Hg)
Assay min % 98% (sum of named cpd and starting materials)
Acid value max 1
Refractive index 1.479-1.489
Specific gravity 1.019-1.025
Other requirements
ID Test IR