Thymol Iodide Specification
Test |
Specification |
Result |
Description |
Yellow Coloured Powder slightly aromatic smell |
Yellow Coloured Powder slightly aromatic smell |
Solubility |
Freely soluble in chloroform and ether, collodion fixed and volatile oils, usually leaving a slight residue. Slightly soluble in alcohol, insoluble in water and
glycerin and in cold and hot solution of alkali hydroxide. |
Complies the test |
Identification |
Heat 100 mg with 2 ml of Sulphuric acid, it decomposes with the separation of Iodine |
+VE |
Alkalinity |
Not alkaline to litmus paper |
Complies the test |
Residue on ignition |
Limit Max. 1.5 % |
< 0.20 % |
Soluble Halides |
Not greater than that of a control reference solution containing 2.0 mg
of Potassium Iodide for 100 mg of Substance |
Complies the test |
Loss on drying |
Limit Max. 2.0 % |
< 0.50 % |
Iodine |
No blue colour with starch solution |
Complies |
Assay ( on dried bais) |
Not less than 43.0 % |
> 44. 67 % |