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Chemical risks and JECFA
Online Edition: "Specifications for Flavourings"
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Analytical Methods (Volume 4)
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Flavouring
(+/-)-cis- and trans-2-Pentyl-4-propyl-1,3-oxathiane (Safety evaluation not completed)
Synonym(s)
Latest JECFA evaluation
2010 (Session 73)
Status of specification
Full
Information required
Chemical name
Mixture of cis-2-pentyl-4-propyl-1,3-oxathiane and trans-2-pentyl-4-propyl-1,3-oxathiane
JECFA number
1943
CAS number
59323-81-8
FEMA number
4499
COE number
FLAVIS number
Molecular weight
216.38
Chemical formula
C12H24OS
Physical form/odour
Clear colourless to yellow liquid; Fruity allium aroma
Solubility
Practically insoluble or insoluble in water
Solubility in ethanol
Soluble
Boiling point (°C)
297-301°
Assay min %
95% (mixture of isomers)
Acid value max
Refractive index
1.441-1.478
Specific gravity
0.890-0.937
Other requirements
Safety evaluation not completed; Mixture of 85-86 % cis-2-Pentyl-4-propyl-1,3-oxathiane and 10-13% trans-2-Pentyl-4-propyl-1,3-oxathiane
ID Test
CNMR HNMR IR MS
Spectrum