4-((4-((4-Hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitrobenzenesulfonic acid, sodium salt

Name	Acid Yellow 199
Synonyms	Acid Yellow 199 Tracid Yellow AGR Weak Acid Yellow AGR Apollo Nylon Fast Yellow M-4R hydroxymethylphenylazophenylamino-3-nitrobenzenesulfonate sodium 4-[[4-(4-hydroxy-2-methyl-phenyl)azophenyl]amino]-3-nitro-benzenesulfonate Sodium 4-((4-((4-hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitrobenzenesulphonate 4-((4-((4-Hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitrobenzenesulfonic acid, sodium salt Benzenesulfonic acid, 4-4-(4-hydroxy-2-methylphenyl)azophenylamino-3-nitro-, monosodium salt 4-[[4-[(4-Hydroxy-2-methylphenyl) azo] phenyl] amino]-3-nitrobenzenesulfonic acid, sodium salt Benzenesulfonic acid, 4-((4-((4-hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitro-, monosodium salt Benzenesulfonic acid, 4-[[4-[(4-hydroxy-2-methylphenyl) azolphenyl]amino]-3-nitro, monosodium salt] sodium 4-({4-[(2E)-2-(2-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]phenyl}amino)-3-nitrobenzenesulfonate sodium 4-[[4-[(2Z)-2-(2-methyl-4-oxo-1-cyclohexa-2,5-dienylidene)hydra zinyl]phenyl]amino]-3-nitro-benzenesulfonate
CAS	70865-20-2
EINECS	274-950-1
InChI	InChI=1/C19H16N4O6S.Na/c1-12-10-15(24)6-8-17(12)22-21-14-4-2-13(3-5-14)20-18-9-7-16(30(27,28)29)11-19(18)23(25)26;/h2-11,20,24H,1H3,(H,27,28,29);/q;+1/p-1

LogP	-0.9 at 20℃
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Use	acid yellow A- 4R is mainly used for dyeing nylon, resulting in brilliant orange color and excellent fastness. When used for blended fabric, the other fibers are not stained, but the wool is stained seriously.
production method	with 2-nitro-4 '-amino diphenylamine -4-sulfonic acid and m-cresol as raw materials, the former is first diazotized and then coupled with the latter to obtain a product. After salting out, filtration, drying to obtain the finished product..

Last Update：2024-04-09 15:16:52

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4-((4-((4-Hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitrobenzenesulfonic acid, sodium salt Request for Quotation