Oragnoleptic properties

Specification

Appearance

Amber to yellow golden

Odour 

Pleasant and characteristic sulphide onion smell

Solubility

Insoluble in water, soluble 1 vol. of solute in 3vol. of solvent (96%)

Physical Characteristic

Refractive index @ 20 ^oC

1.465 to 1.585

Specific gravity @ 25 ^oC

0.920  to 1.135

Optical rotation

-18.5 to +14.5

Acid value

NMT 2.00mgKOH/gm

Water content

0.20% Max

Chromatographic Analysis:%

Me Propyl Di-Sulfide 

Di-Propyl Di-Sulfide

Trans Propenyl Propyl Di-Sulfide

Me Propyl Tri-Sulfide

Di-Propyl Tri-Sulfide

 Min 1.5

18 to 38

2.5 to 12

22 to 68

10 to 28