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Online Edition: "Specifications for Flavourings"


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Flavouring 4-Pentenyl isothiocyanate
Synonym(s) -
Latest JECFA evaluation 2008 (Session 69)
Status of specification Full
Chemical name 5-Isothiocyanato-1-pentene
JECFA number 1893
CAS number 18060-79-2  
FEMA number 4427
COE number -
FLAVIS number -
Molecular weight 127.21 
Chemical formula C6H9NS  
Physical form/odour Colourless to pale yellow liquid; Strong pungent irritating aroma 
Solubility Very slightly soluble in water; freely soluble in ether 
Solubility in ethanol Soluble 
Boiling point (°C) 57-58 (3 mm Hg)
Assay min % 95
Acid value max -
Refractive index 1.513-1.519
Specific gravity 0.970-0.976 (20°)
Other requirements -
ID Test MS
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/jecfa69/1893-ms.gif



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