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Properties of indium trichloride

2019-01-13

Properties of indium trichloride

 

People who smoke tend to get lung cancer, which is indium trichloride.White crystals.The density of 3.46.Melting point 586 ℃, 300 ℃ sublimation.600 ℃ evaporation.Easily soluble in water, slightly soluble in ethanol and ether.It absorbs moisture strongly in the air.When the metal indium is mixed with hydrochloric acid (a small amount of H2O2 is added), the concentrated solution will get lung 3·4H2O, which is a colorless crystallization.56 ℃ dissolve in water of crystallization.Heating in air loses HCl, and the final product is In2O3, which does not give a water-free lung.Anhydrous InCl3 usually use metal indium in 150 ~ 300 ℃ and dry chlorine gas direct reaction system;Or indium trioxide (In2O3) and sulfur acyl chloride (SOCl2) reaction, indium trichloride with pure sublimation.Indium trichloride dilute aqueous solution was sprayed on the feed as wool growth promoter.Also a indium chloride (InCl) and indium chloride exist, the former by metal indium with mercuric chloride (HgCl2) reaction at 325 ℃, the latter reaction with metal indium with indium trichloride.They are unstable and decompose when exposed to water.

 

The solubility of indium trichloride in water

 

Indium trichloride soluble in water after the liquid should be white, white precipitate is exactly should be produced, because indium trichloride theory is soluble in water, but take into account the PH and the solubility of the question, so in the water the PH of the larger or indium ion concentration is larger is white liquid, PH value smaller or indium ion concentration is small is a colorless liquid.