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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: | DIRECT YELLOW 29 |
| Synonyms: | Solius Light Yellow RT;Triamin Yellow RT.;2',2'''-[Azobis(4,1-phenylene)]bis(6-methyl-2,6'-bibenzothiazole-7-sulfonic acid sodium) salt;Sirius Supra Yellow RT;2,6'-Dibenzothiazole-7-sulfonic acid, 2',2'''-(azodi-4,1-phenylene)bis(6-methyl-, disodium salt;Amanil fast yellow bx;Atlantic fast yellow ffx;Benzanil supra yellow gx |
| CAS: | 6537-66-2 |
| MF: | C42H24N6Na2O6S6 |
| MW: | 947.05 |
| EINECS: | 229-448-7 |
| Product Categories: | |
| Mol File: | 6537-66-2.mol |
| EPA Substance Registry System | [2,6'-Bibenzothiazole]-7-sulfonic acid, 2',2'''-(azodi-4,1-phenylene)bis[6-methyl-, disodium salt (6537-66-2) |
| Chemical Properties | Brown-red powder. Easily soluble in water, solubility in water is 30g/L (60℃), 48g/L (98℃), aqueous solution is golden yellow, add concentrated hydrochloric acid to orange-reddish brown, add concentrated sodium hydroxide is golden yellow. Slightly soluble in ethanol, lemon pale white. In concentrated sulfuric acid is orange-red brown, diluted to golden yellow. Slight change of color and light when met with copper and iron ions when dyeing, good stability of chlorine resistance, resistance to sculpture white powder, sulfide alkali reduction. | ||||||||||||||||||||
| use sodium hypochlorite processing C.I. Direct Yellow 59 (C.I. 49000) solution. | |||||||||||||||||||||
| Properties and Applications | red light yellow. Palm red powder. Soluble in water for golden brown, solubility of 30 g/L (60 ℃), 48 g/L (98 ℃), soluble in ethanol is shallow lemon yellow. The strong sulfuric acid for orange red brown, diluted into gold. The dye solution with strong hydrochloric acid into orange red brown; Add thick sodium hydroxide solution into a golden brown. In dyeing copper and iron ion colored light slight change. Good resistance to chlorine stability,On Rongalite and sodium sulfide reduction-resistant. Used for cotton and viscose fiber dyeing and can be directly printing and white, can and dispersal dyes with bath of high temperature on polyester/cotton blended fabric dyeing, used for leather and paper shading.
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| Raw materials | Sodium hypochlorite-->BRILLIANT YELLOW-->PRIMULINE |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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