Food safety and quality: details

Flavouring	p,alpha-Dimethylstyrene
Synonym(s)	1-p-Tolyl-1-methylethylene;1-Methyl-4-(1-methylethenyl)benzene;4-Isopropenyltoluene;1-Methyl-4-isopropenylbenzene
Latest JECFA evaluation	2004 (Session 63)
Status of specification	Full
Information required
Chemical name	1-Isopropenyl-4-methylbenzene
JECFA number	1333
CAS number	1195-32-0
FEMA number	3144
COE number
FLAVIS number	01.010
Molecular weight	132.2
Chemical formula	C10H12
Physical form/odour	Colourless mobile liquid; citrusy-lemon like aroma
Solubility	Insoluble in water; soluble in oils
Solubility in ethanol	Soluble
Boiling point (°C)	186-189°
Assay min %	97%
Acid value max	<1.0
Refractive index	1.532-1.535
Specific gravity	0.846-0.854
Other requirements
ID Test	NMR
Spectrum