Food safety and quality: details

Flavouring	Cassyrane
Synonym(s)	(±)-cis and trans-2-(1,1-Dimethylethyl)-2,5-dihydro-5-methyl-2-propylfuran
Latest JECFA evaluation	2014 (Session 79)
Status of specification	Full
Information required
Chemical name	2-tert-butyl-5-methyl-2-propyl-2,5-dihydrofuran
JECFA number	2189
CAS number	871465-49-5
FEMA number	4731
COE number
FLAVIS number
Molecular weight	182.3
Chemical formula	C12H22O
Physical form/odour	Colourless to pale yellow clear liquid, Fruity reminiscent of black currant
Solubility	Practically insoluble to insoluble
Solubility in ethanol	Soluble
Boiling point (°C)	202-203°
Assay min %	95%
Acid value max
Refractive index	1.4480-1.4520
Specific gravity	0.8680-0.8720
Other requirements	Racemate
ID Test	IR, MS, CNMR
Spectrum