Chromium Chloride USP
Chromium Chloride (also called chromic chloride) describes any of several compounds of with the formula CrCl3(H2O)x, where x can be 0, 5, and 6. The anhydrous compound with the formula CrCl3 is a violet solid. The most common form of the trichloride is the dark green “hexahydrate”, CrCl3.6H2O.
Chromium chloride finds uses as catalysts and as precursors to dyes for wool. One niche use of Chromium chloride in organic synthesis is for the in situ preparation of chromium(II) chloride, a reagent for the reduction of alkyl halides and for the synthesis of (E)-alkenyl halides.
Chemical Name: Chromium Chloride
Synonyms: Chromic Chloride
CAS No.: 10060-12-5
Molecular formula: CrCl3.6H2O
Molecular Weight: 266.45 g/mol
|Characters||It occurs as dark green, odorless, slightly deliquescent crystals.|
(a) Specified test. A yellow color develops.
(b) Specified test. A white, curdy precipitate is formed, and it is insoluble in nitric acid.
|Solubility||Soluble in water & in alcohol, slightly soluble acetone, practically insoluble in ether.|
|Insoluble matter||Not more than 0.01%|
|Substance not precipitated by ammonium hydroxide||Not more than 0.20% as sulfate|
|Sulfate||Not more than 0.01%|
|Iron||Not more than 0.01%|
|Residual Solvents||Meets the requirements|
|Assay||Not less than 98.0% not more than 101.0% of CrCl3.6H2O|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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