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Online Edition: "Specifications for Flavourings"

Flavouring Hexanal butane-2,3-diol acetal
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 4,5-Dimethyl-2-pentyl-1,3-dioxolane
JECFA number 1737
CAS number 155639-75-1
FEMA number 4384
COE number
FLAVIS number
Molecular weight 172.27
Chemical formula C10H20O2
Physical form/odour Clear, colourless liquid; Sweet, fatty, green aroma
Solubility Insoluble in water; soluble in organic solvents
Solubility in ethanol Soluble
Boiling point (°C) 211-213°
Assay min % 98%
Acid value max 1
Refractive index 1.430-1.437
Specific gravity 0.845-0.851
Other requirements
ID Test MS