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Direct ChrysophenineDirect Chrysophenine are the colouring dyes that physically appears as a red light yellow to deep yellow fine powder that are used to impart bright colours to the various types of fabric. These chemical compounds belongs to double-azo group having a molecular formula C30H26N4Na2O8S2 with an approx. molar mass of 680.66 grams per mol. Direct Chrysophenine have a heavy atom count of 46 and a hydrogen bond acceptor count of 12. These powdered substances may cause skin and eye irritation when comes in direct contact in their pure form. They provides a yellow to golden brown coloured aqueous solution when mixed with water with a solubility rate of 30 grams per litre at a temperature of 80 degree Celsius.
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