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CAS： 7553-56-2;12190-71-5
Molecular formula: I2
Molecular weight: 253.8089
Physicochemical properties: purple black scale crystal or lamellar crystal with metallic luster. Brittle, purple vapor. With special pungent 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 easily soluble in chloride and bromide; More soluble in iodide solution; Soluble sulfur, selenium, ammonium and alkali metal iodides, aluminum, tin, titanium and other metal iodides.
Usage: it is mainly used for manufacturing iodide, pesticides, feed additives, dyes, iodine wine, test paper, drugs, etc. it is used for preparing equivalent solvent, measuring iodine value and calibrating the concentration of sodium thiosulfate solution. The solution can be used as disinfectant. It is used for preparing iodine agent and thinning solution in photographic plate making.
Item | Specifications |
Appraisal | Standard |
Content | 99.5-100.5% |
Chlorine and bromine content | ≤0.01% |
Nonvolatile Residue | ≤50ppm |
Fe | ≤10ppm |
Sulfate | ≤75ppm |
Heavy metal | ≤10ppm |
Origin | Chile, Japan, Taiwan |
Manufacturing
