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Online Edition: "Specifications for Flavourings"

Flavouring Heptanal glyceryl acetal (mixed 1,2 and 1,3 acetals)
Synonym(s) Heptaldehyde glyceryl acetal
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name Mixture of 2-Hexyl-4-hydroxymethyl-1,3-dioxolane and 2-Hexyl-5-hydroxy-1,3-dioxane
JECFA number 912
CAS number 1708-35-6
FEMA number 2542
COE number 2016
FLAVIS number
Molecular weight 188.27
Chemical formula C10H20O3
Physical form/odour colourless viscous liquid with a mild, sweet, mushroom-like odour
Solubility slightly soluble in water; soluble in organic solvents, oils
Solubility in ethanol miscible
Boiling point (°C) 100° (4 mm Hg)
Assay min % 96% (total of mixed isomers and unreacted aldehyde)
Acid value max 1
Refractive index 1.445-1.455
Specific gravity 0.990-1.003
Other requirements
ID Test IR