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Online Edition: "Specifications for Flavourings"
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About the data
Analytical Methods (Volume 4)
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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