Product name: Imported iodine
CAS: 7553-56-2;12190-71-5
Chemical formula: I₂
Molecular weight: 253.8089
Origin: Chile, Japan, Taiwan
Physical and chemical properties: purplish black scale crystal or flake crystal with metallic luster. It is brittle and the steam is purple. Has a special irritating odor.
The solubility is slightly soluble in water, and the solubility increases with the increase of temperature. Insoluble in sulfuric acid; Soluble in organic solvents; Iodine is also soluble in chloride and bromide. More soluble in iodide solution; Can dissolve sulfur, selenium, ammonium and alkali iodide, aluminum, tin, titanium and other metal iodide.
Uses: mainly used in the manufacture of iodide, used in the manufacture of pesticides, feed additives, dyes, iodine, paper, drugs and so on for the preparation of equivalent solvents, determination of iodine value, calibration of sodium thiosulfate solution concentration. Solution can be used as disinfectant, for the preparation of iodide and thinning solution in photographic plate.