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Online Edition: "Specifications for Flavourings"

Flavouring 2-(Methylthiomethyl)-3-phenylpropenal
Synonym(s) alpha-Benzylidene methional
Latest JECFA evaluation 1999 (Session 53)
Status of specification Full
Chemical name 2-(Methylthiomethyl)-3-phenylpropenal
JECFA number 505
CAS number 65887-08-3
FEMA number 3717
COE number
FLAVIS number
Molecular weight 192.28
Chemical formula C11H12OS
Physical form/odour viscous yellow liquid
Solubility insoluble in water; miscible in fats
Solubility in ethanol
Boiling point (°C) 151° (3.8 mm Hg)
Assay min % 98% (mixture of 87% trans and 13% cis)
Acid value max
Refractive index 1.622-1.632
Specific gravity 1.080-1.085
Other requirements
ID Test IR, MS, NMR
Spectrum