What Is Iodide?
Compounds containing iodine having a valence of -1 include metal iodides and non-metal iodides. Iodides of active metals are ionic compounds, other metal compounds and non-metal compounds are covalent compounds. Most iodides are easily soluble in water, but silver iodide, mercury iodide, mercury iodide, cuprous iodide, and lead iodide are insoluble. Organic iodides are generally more reactive than the corresponding chlorides or bromides. Alkyl iodide can be used in the alkylation reaction. Iodine ions are easily oxidized by oxygen in the air to elemental iodine molecules in an acidic solution. In alkaline solutions, iodide is not easily oxidized.
- Chinese name: Iodide
- Chinese alias: IR-780 Iodide
- English name: ir-780 iodide
- Molecular weight: 667.105
- Means
- A compound of iodine in which the oxidation state of iodine is -1 valence. Including hydrogen iodide (HI), ammonium iodide (NH 4 I), metal iodides (such as potassium iodide KI and silver iodide AgI, etc.), non-metal iodides (such as phosphorus triiodide PI 3, etc.) and organic compounds of iodine ( Such as iodoform CHI 3 and iodized benzene C 6 H 5 I, etc.). Many metal iodides can form iodine metal complexes with iodide ions (such as K 2 [HgI 4 ] and KAgI 2 etc.). Inorganic iodide is similar to chloride, and can also be divided into three types: covalent, ionic and complex. Among the halides, the iodide is more covalent and is the strongest reducing agent among the halides. Non-metal iodides generally have lower melting and boiling points. The iodide of the metallic element is very soluble in water and its solubility is slightly lower than that of chloride. Bismuth iodide and mercury iodide are slightly soluble in water. In organic solvents, the solubility of iodide is often greater than that of chloride. Iodine ions can also be combined with free iodine to form triiodide ions I 3 , which greatly increases the solubility of iodine in water. Adding sodium iodide or potassium iodide to table salt can prevent thyroid disease.
- > 6 mg / day of iodide can be used to treat hyperthyroidism to reduce the release of thyroid hormone (TH) from the thyroid gland. Large doses of iodide inhibit the hydrolysis of thyroglobulin, so TH is only synthesized and stored in the colloid, not released into the blood.
- This treatment is rarely used today because the use of iodide can cause a large accumulation of TH and slow down the effect of thioamide. No, it will cause human death. So don't let it be used. [3]