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Online Edition: "Specifications for Flavourings"


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Flavouring Ethyl propyl disulfide
Synonym(s) 3,4-Dithiaheptane
1-Ethyldisulfanyl-propane
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name Ethyl propyl disulfide
JECFA number 1694
CAS number 30453-31-7  
FEMA number 4041
COE number -
FLAVIS number 12.126  
Molecular weight 136.28 
Chemical formula C5H12S2  
Physical form/odour Clear, colourless or pale yellow liquid; Sulfureous aroma 
Solubility Soluble in non-polar solvents; insoluble in water 
Solubility in ethanol Soluble 
Boiling point (°C) 179-181°
Assay min % 95%
Acid value max -
Refractive index 1.483-1.493
Specific gravity 0.943-0.953
Other requirements -
ID Test HNMR IR MS
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1694-hnmr.gif
http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1694-ir.gif
http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1694-ms.gif



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