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China, Chinese Direct Dyes Black 29 for Paper Dyeing1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Pigment DyeDirect DyeDirect Black 29Direct Dyes
Hangzhou Emperor Chemical Co., Ltd.
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Product Description Product Name: Direct Black 29C.I. No.: 22580CAS No.: 3626-23-1Molecular Formula:C32H22N6Na2O8S2Molecular Weight: 728.66 Shade: Black. Direct Direct Black 29 Physical Properties and light fastness, solubility. Direct Black 29Dyeing depth %2Insolubles %0.15Light Fastness4Washing Fatness2Rubbing fastness(dry)4Rubbing fastness(wet)3Direct Direct Black 29 Properties:blue ash. Soluble in water (for violet black) and soluble fiber element, slightly soluble in ethanol is shallow purple, insoluble in other organic solvents. The strong sulfuric acid in blue, diluted for purple, have precipitation. The dye solution to join strong hydrochloric acid for dark, precipitation; Add thick sodium hydroxide solution for purplish red color, have precipitation. Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.EXHIBITIONS PHOTOS:FACTORY PHOTOS:
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