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Online Edition: "Specifications for Flavourings"

Flavouring Isopropyl tiglate
Synonym(s) Isopropyl-alpha-methyl crotonate
Latest JECFA evaluation 1998 (Session 51)
Status of specification Full
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