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A bright yellowish-red crystalline compound, K2Cr2O7, used as an oxidizing agent, and in pyrotechnics, explosives, and safety matches.
(Elements & Compounds) an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7
an orange-red, crystalline, water-soluble, poisonous powder, K2Cr2O7, used chiefly in dyeing and photography and as a laboratory reagent.