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China, Chinese Paper Dye Direct Yellow 12 Direct Yellow G1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Pigment DyeDirect DyeDirect Yellow 12Direct Yellow G
Hangzhou Emperor Chemical Co., Ltd.
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Product Description Product Name: Direct Yellow 12C.I. No.: 24895CAS No.: 2870-32-8Molecular Formula: C30H26N4Na2O8S2Molecular Weight: 680.66Relative Name:Direct Yellow G; Direct Yellow GX, Direct Yellow 4R;Chrysophenine G;Chrysophenin G;Pyrazol Yellow;Chrysophenin NS;Benzol Yellow LG.Shade: red light yellow. Deep yellow evenly powder. Direct Yellow 12 Physical Properties and light fastness, solubility.Direct Yellow 12Dyeing depth %2Insolubles %0.15Light Fastness2Washing Fatness2-3Rubbing fastness(dry)4Rubbing fastness(wet)3 Direct yellow 12 Properties and Applications:Soluble in water solution for yellow until golden brown, temperature drop the floe dyes have separation, the solubility in water for 30 g/L (80 oC), and adequate soluble in ethanol (for lemon yellow) and soluble fiber element, slightly soluble in acetone for green light yellow. The strong sulfuric acid to red light purple, diluted to red light blue for purple, precipitation. The dye solution to join strong hydrochloric acid for deep red sauce, precipitation; Add thick sodium hydroxide solution for gold orange, precipitation; Add in 1 0% sodium hydroxide solution a slight change color. 2% of the dye below 15 oC in aqueous solution which is glue frozen form, the name frozen yellow. Cellulose fiber of dyeing, the dye absorption rate as well, in 40 oC maximum when affinity, discharge performance is very good.Used for dyeing cotton and viscose, to dead cotton has certain covering power, can also be used for cotton or viscose fabric printing, also can be used for silk, wool, PVA, polyamide fiber and its blended fabric dyeing. Can also be used for leather, paper, biological shading, its heavy metal salt can be used for pigment. Package, 25KG/DRUM, CARTON BOX, BAG 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.
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