FIELD: chemical industry. SUBSTANCE: process for preparing chromium-phosphorus containing compounds of dyes, pigments, biologically active agents, active components for liquid crystalline materials and compositions based therein comprises subjecting starting compounds in solid phase to mechanical and heat treatment. The claimed method makes it possible to simplify and intensify the process, reduce the amount of by-products and sewage. EFFECT: improved properties of chromium-phosphorus containing compounds. 9 cl, 2 tbl
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