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| | ACID YELLOW 25 (C.I. 18835) Basic information |
| Product Name: | ACID YELLOW 25 (C.I. 18835) | | Synonyms: | sodium 4-(3-methyl-4-(4-methyl-3-(phenylaminosulphonyl)phenylazo)-5-hydroxypyrazol-1-yl)benzenesulphonate;AcidYellowER;C.I.AcidYellow25;1H-Pyrazole,5-oxo-4,5-dihydro-3-methyl-4-[[3-[(phenylamino)sulfonyl]-4-methylphenyl]azo]-1-(4-sulfophenyl)-,sodiumsalt;Benzenesulfonic acid, 4-4,5-dihydro-3-methyl-4-4-methyl-3-(phenylamino)sulfonylphenylazo-5-oxo-1H-pyrazol-1-yl-, monosodium salt;Acid Fast Yellow ER;Covanyl Yellow RN;Egacid Yellow R. | | CAS: | 6359-85-9 | | MF: | C23H20N5NaO6S2 | | MW: | 549.55457 | | EINECS: | 228-810-1 | | Product Categories: | Organics;A;Stains and Dyes;Stains&Dyes, A to | | Mol File: | 6359-85-9.mol |  |
| | ACID YELLOW 25 (C.I. 18835) Chemical Properties |
| | ACID YELLOW 25 (C.I. 18835) Usage And Synthesis |
| Uses | Acid Yellow 25 is a stain/dye. Dyes and metabolites. | | Preparation | 5-Amino-2-methyl-N-phenylbenzenesulfonamide?diazo, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling. | | Flammability and Explosibility | Not classified | | Properties and Applications | yellow. Yellow powder. Soluble in water yellow, encounter cold becomes muddy. Slightly soluble in ethanol and acetone. Meet strong sulfuric acid is yellow, the generation after diluted fluorescent yellow precipitation. Its water solution meet sodium hydroxide solution without change. Mainly used for wool and polyamide fiber of printing and dyeing, also can be used for leather and electrochemical aluminum shading, occasionally used for paper coating.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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5-6
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4
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2
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3
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1
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3
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3
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AATCC
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6-7
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4
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4
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3-4
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1
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1
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4
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| | ACID YELLOW 25 (C.I. 18835) Preparation Products And Raw materials |
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