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Flavouring 5-Acetyl-2,3-dihydro-1,4-thiazine
Synonym(s) -
Latest JECFA evaluation 2007 (Session 68)
Status of specification Full
Chemical name 5-Acetyl-2,3-dihydro-1,4-thiazine
JECFA number 1766
CAS number 164524-93-0  
FEMA number 4296
COE number -
FLAVIS number -
Molecular weight 143.21 
Chemical formula C6H9NOS  
Physical form/odour Brown crystals; Nutty, cooked, brown and roasted aroma 
Solubility Insoluble in water; soluble in methylene chloride 
Solubility in ethanol Slightly soluble 
Boiling point (°C) NA
Assay min % 99%
Acid value max -
Refractive index NA
Specific gravity NA
Other requirements mp = 120-125°
ID Test HNMR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1766-hnmr.gif



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