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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 127 |
| Synonyms: | Acid yellow 127 (C.I. 18888);Hodgsons Kayanol Milling Yellow 5GW;Acid Brilliant Yellow 3GL;Aminyl Yellow F-5GL;Benzenesulfonic acid, 4-[[4-chloro-6-(methylphenylamino)-1, 3, 5-triazin-2-yl]amino]-2-[[1-(2-chlorophenyl)-4, 5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo], monosodium salt;Best Acid Milling Yellow 5GW;Concorde Acid Yellow 5GW;Kayanol Milling Yellow 5GW |
| CAS: | 73384-78-8 |
| MF: | C26H20Cl2N9NaO4S |
| MW: | 648.45567 |
| EINECS: | 277-419-2 |
| Product Categories: | |
| Mol File: | 73384-78-8.mol |
| Preparation | 2,4-Diaminobenzenesulfonic acid first and 2,4,6-Trichloro-1,3,5-triazine condensation, again with N-methylbenzenamine condensation, and then diazo, and 1-(2-Chlorophenyl)-3-methyl-1H-pyrazol-5(4H)-one?coupling. | |||||||||||||||||||||||
colourful green light yellow. Yellow powder, soluble in water. The strong sulfuric acid for yellow, diluted still is yellow, accompanied by precipitation; In strong hydrochloric acid for yellow, diluted unchanged; In the nitric acid is yellow, diluted and precipitation for tender yellow; In the thick of sodium hydroxide solution of decomposition, after diluted yellow precipitation. The dye solution for green light light yellow, boil can get clear solution. Used for wool, silk, polyamide fiber fabric dyeing and printing directly, can also be used for leather color.
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| Raw materials | Cyanuric chloride-->N-Methylaniline-->2,4-Diaminobenzenesulfonic acid-->3-Methyl-2-pyrazolin-5-one |
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