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Online Edition: "Specifications for Flavourings"

Flavouring Tolualdehyde glyceryl acetal (mixed isomers)
Synonym(s) Mixture of 2-(o,m,p-Cresyl)-5-hydroxy dioxane and 2-(o,m,p-Cresyl)-5-hydroxymethyldioxolane;Tolyl glycerin
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name Mixture of 2-(2,3and4-Methylphenyl)-5-hydroxy-1,3-dioxane and 2-(2,3and4-Methylphenyl)-5-hydroxymethyl-1,3-dioxane
JECFA number 867
CAS number 1333-09-1
FEMA number 3067
COE number 46
FLAVIS number
Molecular weight 194.23
Chemical formula C11H14O3
Physical form/odour colourless somewhat viscous liquid with a faint, bitter-almond odour
Solubility slightly soluble in water; soluble in organic solvents, most oils
Solubility in ethanol miscible at room temperature
Boiling point (°C) 292°; 160° (10 mm Hg)
Assay min % 95% (sum of o,m,p- isomers)
Acid value max 1
Refractive index 1.527-1.537
Specific gravity 1.148-1.158
Other requirements
ID Test IR