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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: | ACID YELLOW 40 |
| Synonyms: | Acid leather yellow gr;Belacid milling yellow 2g;Benzyl fast yellow gnc;Benzyl fast yellow gr;Bucacid yellow 3g;PolarR Yellow;acidyellow40(c.i.18950);benzenesulfonicacid,5-chloro-2-[4,5-dihydro-3-methyl-4-[[4-[[(4-methylphenyl) |
| CAS: | 6372-96-9 |
| MF: | C23H19ClN4O7S2.Na |
| MW: | 584.98 |
| EINECS: | 228-907-9 |
| Product Categories: | Organics |
| Mol File: | 6372-96-9.mol |
| EPA Substance Registry System | C.I. Acid Yellow 40 monosodium salt (6372-96-9) |
| Uses | To dye wool. In the isoln of polymyxin. | ||||||||||||||||||||||||||||||||
| 4-Aminophenol?diazo, and 5-Chloro-2-(3-methyl-5-oxo-2H-pyrazol-1(5H)-yl)benzenesulfonic acid?coupling, and then and 4-Methylbenzene-1-sulfonyl chloride?reaction, make phenol hydroxyl esterification. | |||||||||||||||||||||||||||||||||
| Definition | ChEBI: An organic sodium salt that is the monosodium salt of 5-chloro-2-[5-hydroxy-3-methyl-4-({4-[(4-methylbenzene-1-sulfonyl)oxy]phenyl}diazenyl)-1H-pyrazol-1-yl]benzene-1-sulfonic acid. | ||||||||||||||||||||||||||||||||
yellow. Pale yellow powder. Soluble in water, but soluble in ethylene glycol ether, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid dyes in yellow; In nitric acid in yellow. Its water solution yellow, add hydrochloric acid sodium hydroxide or no change. This product used for pure, thick wool clothing dyeing comb female?, also used for silk, polyamide fiber dyeing, wool knitting products of silk nets printing. Can also be used in leather color.
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| Raw materials | 5-chloro-2-(3-methyl-5-oxo-2H-pyrazol-1(5H)-yl)benzenesulfonic acid-->4-Aminophenol-->Tosyl chloride |
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