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Product Details
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12190-71-5 Name |
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Name |
Iodine |
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Synonym |
Iodine;Iodide (I21-) (8CI,9CI);Iodine test solution(ChP);Iodine Crystals or Liquid;iodien;Iodine solution standard substance;Iodine test solution;TIANFU-CHEM Iodine |
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12190-71-5 Chemical & Physical Properties |
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Boiling point |
184.4±9.0 °C at 760 mmHg |
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Density |
3.8±0.1 g/cm3 |
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Molecular Formula |
I2 |
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Molecular Weight |
253.809 |
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LogP |
3.16 |
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Exact Mass |
253.808914 |
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Vapour Pressure |
0.5±0.4 mmHg at 25°C |
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Index of Refraction |
1.788 |
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12190-71-5 Description |
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Iodine,I, is a nonmetallic element with an orthorhombic crystal structure, a violet to black color. This poisonous element sublimes readily and is easily purified in this manner. It is insoluble in water,but is soluble in common solvents such as alcohol, ether,and carbon tetrachloride. Iodine is used as a germicide, an antiseptic, in dyes,tinctures, and pharmaceuticals. It is also used in the production of vanadium metal in the McKechnie-Seybolt process, which is the reduction of vanadium pentoxide in the presence of iodine. Iodine is used in a similar manner in the production of high-purity zirconium. For many years, iodine tincture(3% to 7% dissolved in ethyl alcohol) has been an important antiseptic. The commercial tinctures also usually contain 5% potassium iodide to provide stability. This form produces a mild burning of the skin and stains both skin and fabrics. A milder preparation is available in which about 2% iodine is contained in an oil-water emulsion which also contains lecithin. |
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12190-71-5 Uses |
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Iodine is a halogen element extracted from chilean nitrate-bearing earth or from seaweed. it functions by its presence in the thyroid hormones. iodine deficiency is associated with goiter. sources are potassium and cuprous iodide and potassium and calcium iodate, of which the iodate form is preferred because of better stability. it is used as a food supplement. |
Platinum supported on carbon as a catalyst is widely reported and have a wide range of applications ranging from fuel cell application to hydrogenation reactions, where structure and properties of carbon support play an important role in the functioning of the catalyst. Mesoporous carbon supported platinum nanocatalyst was synthesized by hard templating route using mesoporous silica as template.
Dimers and other small clusters of CH3I, C2H5I, i- and n-C3H7I, HI, CF3I, CH3Br, and C2H5Br formed in a supersonic expansion are irradiated at 248 and 193 nm and the halogen molecule product probed via laser induced fluorescence spectroscopy.Both dimers and larger clusters of RI (R = H, alkyl) excited at each wavelength yield I2 in its ground electronic state with very little internal energy.Clusters of CF3I and those containing alkyl bromides do not give halogen molecule products after excitation at either wavelength.A model for the dynamics in the dimer excited state which explains these results is presented.
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