Food safety and quality: details

Flavouring	Isopropyl tiglate
Synonym(s)	Isopropyl-alpha-methyl crotonate
Latest JECFA evaluation	1998 (Session 51)
Status of specification	Full
Information required
Chemical name	Isopropyl 2-methyl-2-butenoate
JECFA number	312
CAS number	1733-25-1
FEMA number	3229
COE number	10729
FLAVIS number
Molecular weight	142.2
Chemical formula	C8H14O2
Physical form/odour
Solubility	completely miscible with alcohol and diluted alcohol
Solubility in ethanol
Boiling point (°C)	73° (30 mm Hg)
Assay min %	98.0%
Acid value max	2
Refractive index	1.421-1.441
Specific gravity	0.897-0.903
Other requirements
ID Test	IR
Spectrum