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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | DIANIL BROWN 3GN |
| Synonyms: | DIANIL BROWN 3GN;DIPHENYL BROWN GRI;BENZO CHROME BROWN G;BENZAMINE BROWN 3 GO;PARAMINE BROWN G;AmanilBrownD3G;benzoicacid,5-[[4’-[[2,4-diamino-5-[(4-sulfophenyl)azo]phenyl]azo][1,1’-biphe;C.I.DirecfBrown1(30045) |
| CAS: | 3811-71-0 |
| MF: | C31H22N8Na2O6S |
| MW: | 680.6 |
| EINECS: | 223-294-4 |
| Product Categories: | Dyes and Pigments |
| Mol File: | 3811-71-0.mol |
| Colour Index | 30045 |
| CAS DataBase Reference | 3811-71-0(CAS DataBase Reference) |
| EPA Substance Registry System | C.I. Direct Brown 1 (3811-71-0) |
| Preparation | 4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, again and 4-Aminobenzenesulfonic acid diazo, in acid conditions and Benzene-1,3-diamine coupled to a product matches. | |||||||||||||||||||||||||||
brown. Brown evenly powder. Soluble in water for orange brown, soluble in ethanol, slightly soluble in acetone and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid in the dark for the light purple to violet black, diluted into a brown; In nitric acid partly dissolved for red light brown, to orange brown. The dye solution to join 10% sodium hydroxide solution for yellow brown. Cellulose fiber of dyeing, dye well after sex is good, temperature in 100 ℃, affinity is the largest. Discharge of more sensitive to that fights. Copper ions in dyeing and dark colored light yellow, meet iron ion to yellow. Mainly used for cotton, such as glue of cellulose fiber dyeing, also can be used for silk, polyamide fiber, Sticky/brocade fabric dyeing, can also be used for the pulp and leather color.
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