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Online Edition: "Specifications for Flavourings"

Flavouring Methional diethyl acetal
Latest JECFA evaluation 2010 (Session 73)
Status of specification Full
Chemical name 1,1-diethoxy-3-methylsulfanylpropane
JECFA number 1940
CAS number 16630-61-8
FEMA number 4590
COE number
FLAVIS number
Molecular weight 178.29
Chemical formula C8H18O2S
Physical form/odour Clear colourless to pale yellow liquid; Pungent cabbage aroma
Solubility Practically insoluble or insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 118-119° (50 mm Hg)
Assay min % 96%
Acid value max
Refractive index 1.447-1.453
Specific gravity 0.952-0.958 (20°)
Other requirements
ID Test MS