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Flavouring 2-Isobutyl-4,6-dimethyldihydro-1,3,5-dithiazine and 4-isobutyl-2,6-dimethyldihydro-1,3,5-dithiazine (mixture)
Synonym(s) Dimethyl isobutyl dihydro-1,3,5-dithiazine
Latest JECFA evaluation 2002 (Session 59)
Status of specification Full
Chemical name Mixture of Dihydro-2-isobutyl-4,6-dimethyl-4H-1,3,5-dithiazine and Dihydro-6-isobutyl-2,4-dimethyl-4H-1,3,5-dithiazine
JECFA number 1046
CAS number 101517-87-7  
FEMA number 3781
COE number -
FLAVIS number -
Molecular weight 205.39 
Chemical formula C9H19NS2  
Physical form/odour Clear to pale yellow liquid; roasted, cocoa, peanut odour 
Solubility Soluble in propylene glycol, triacetin 
Solubility in ethanol Miscible at room temperature 
Boiling point (°C) 104-115° (2.5 mm Hg)
Assay min % 82
Acid value max -
Refractive index 1.488-1.492
Specific gravity 0.961-0.967
Other requirements [64% 2-Isobutyl-4,6-dimethyl; 18% 4-Isobutyl-2,6-dimethyl]SC: 2,4,6-Trimethyl-1,3,5-dithiazine; 2,4-Diisobutyl-6-methyl-1,3,5-dithiazine; 2,6-Dimethyl-4-butyldihydro-1,3,5-dithiazine; substituted 1,3,5-thiadiazine
ID Test MS IR NMR
Spectrum http://www.fao.org/ag/agn/jecfa-flav/img/img/1046.gif



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