Food safety and quality: details

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
Information required
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