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Online Edition: "Specifications for Flavourings"

Flavouring Benzaldehyde glyceryl acetal
Synonym(s) Benzalglycerin;Mixture of 2-Phenyl-5-hydroxy-1,3-dioxane and 2-Phenyl-4-hydroxymethyl-1,3-dioxolane
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name Mixture of 5-Hydroxy-2-phenyl-1,3-dioxane and 4-(Hydroxymethyl)-2-phenyl-1,3-dioxane
JECFA number 838
CAS number 1319-88-6
FEMA number 2129
COE number 36
FLAVIS number
Molecular weight 180.21
Chemical formula C10H12O3
Physical form/odour colourless to pale yellow oily liquid with a mild almond odour
Solubility slightly soluble in water; soluble in oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 185° (20 mm Hg)
Assay min % 98% (sum of isomers)
Acid value max 2
Refractive index 1.532-1.542
Specific gravity 1.181-1.193
Other requirements
ID Test IR