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Details for China Acid Yellow 49

Acid Yellow 49 12239-15-5

Category :	Dyestuffs and Pigments/Acid Dyes
CAS NO :	12239-15-5
EC NO :	235-473-4
MF :	C₁₆H₁₃Cl₂N₅O₃S
MW :	426.2771
Product description :	Name:C.I.Acid Yellow 49,C.I.18640 　　Molecular Structure: Single azo class 　　C.I.Acid Yellow 49,C.I.18640,CAS 12239-15-5,448.26,C16H12Cl2N5NaO3S,Weak acid Yellow GR,Weak acid Yellow NFC,Weak acid Yellow E-4G,Acid Yellow GR 　　Molecular Formula:C16H12Cl2N5NaO3S 　　Molecular Weight: 448.26 　　CAS Registry Number:12239-15-5 　　Properties and Applications: brilliant yellow. This applies to goods wool, silk, polyamide fiber and wool blended fabric dyeing, good levelness and also can be used for leather color. 　　Standard 　　Light Fastness 　　Soaping 　　Persperation Fastness 　　Oxygen bleaching 　　Fastness to seawater 　　Fading 　　Stain 　　Fading 　　Stain 　　Fading 　　Stain 　　ISO 　　5-6 　　2-3 　　3 　　3 　　3 　　3-4 　　3 　　2-3 　　2.International Similar Brand 　　Weak acid Yellow GR 　　Weak acid Yellow NFC 　　Weak acid Yellow E-4G 　　Acid Yellow GR 　　AACL Yellow 4NGL 200% 　　Acid Fast Yellow NFG 　　Acid Yellow 4NGL 　　Acid Yellow 9G 　　Acid Yellow GR 　　Akacid Yellow FGL 200% 　　Alto Acid Yellow 9G 　　Ambinyl Yellow L4G 　　Aminyl Yellow E-3GL 　　Apollo Nylon Fast Yellow FGL 　　Bemylon Yellow 9G 　　Bemylon Yellow 9G 100%
Synonyms :	C.I. Acid Yellow 49;Benzenesulfonic acid, 4-(2-(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl)-2,5-dichloro-2,5-dichloro-4-{(2Z)-2-[(5Z)-5-imino-3-methyl-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzenesulfonic acid;4-(5-amino-3-methyl-1-phenyl-pyrazol-4-yl)azo-2,5-dichloro-benzenesulfonic acid;
Molecular Structure :

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