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... 600°–700°C. It is used in chromometry.Chromic chloride, CrCl 3, is a violet crystalline compound, with a density of 2.76 g/cm 3 and a melting point of 1152°C. At 600°C, it sublimes in a stream of chlorine or decomposes in the absence of chlorine into chlorine and CrCl 2. It is soluble in water in the presence of reducing agents, such as Cr 2+ and Fe 2+. Chromic ...