sigma aldrich chromium chloride hexahydrate

Browse Chromium(III) chloride hexahydrate and related products at Merck. Should be converted to less soluble forms and sent to disposal facilities. Synonyms: Chromium trichloride hexahydrate, Hexaaquachromium(III) chloride. In closed bottles, air-tight for the anhydrous form. Trichlorchromhexahy drat German ACD/IUPAC Name. While less toxic than Cr(VI) compounds, chromium chloride is less toxic, although it's still quite harmful. Chromium(III) chlor ide hexahydrate Wiki Chromium chloride h exahydrate. Make Cr coordination complexes and adducts.To obtain the anhydrous form from the hexahydrate, you must heat the CrCl 3 in the presence of a chlorine or chloride source, like thionyl chloride or dry hydrogen chloride gas. Heating chromium(III) chloride hexahydrate in air will cause some of it to oxidize, resulting in CrCl 3 contaminated with chromium oxide and oxychloride.

Reacting chlorine gas with hot chromium metal will also give anhydrous CrCl 3. 1 Chromic chloride hexahydrate Hexaaquachromium (III) chloride Chromium trichloride hexahydrate catalyst Find related products, papers, technical documents, MSDS & more at Sigma-Aldrich. Alternatively, hexahydrate chromium chloride is treated with thionyl chloride, yielding very dry CrCl 3.Ī more energetic route involves the carbothermic chlorination of chromium(III) oxide between 650–800 ☌. Aldrich - 230723 Chromium (III) chloride hexahydrate 96 CAS No. hydrochloric acid.Ĭhromium chloride anhydrous can be prepared by reacting chromium hydroxide, chromium(III) oxide or just chromium metal with hydrochloric acid in methanol. Chromium(III) chloride will react with bases to give chromium hydroxide.Ĭhromium(III) chloride is a purple (anhydrous) or dark green (hydrated) solid.Ĭhromium chloride is sold by chemical suppliers.Ĭhromium chloride hexahydrate can be obtained by reacting chromium oxide, hydroxide or plain chromium metal with conc.

Sigma aldrich chromium chloride hexahydrate