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With abundant industry experience, we are presenting our clients a wide range of Acid Yellow 49 dyes. These products are processed at our well developed processing unit under the strict supervision of our experienced professionals. Our product range is used for dyeing wool, nylon, silk and other protein fibers.

Acid Yellow 49 Specification :

Benzenesulfonic acid,4-[2-(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2,5-dichloro- , its cas register number is 12239-15-5. It also can be called 2,5-Dichloro-4-((5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo)benzenesulfonic acid ; 5-Amino-1-phenyl-4-((2,5-dichloro-4-sulfophenyl)azo)-3-methyl-pyrazole ; C.I. Acid Yellow 49.

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.

Name: Acid Yellow 49
CAS: 12239-15-5
C.I. No.: C.I. 18640
Synonyms 4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichlorobenzenesulphonic acid;C.I.AcidYellow49;Benzenesulfonic acid, 4-(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo-2,5-dichloro-;2,5-Dichloro-4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]benzenesulfonic acid;4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichloro-Benzenesulfonic acid;Acid yellow 49 (C.I. 18640);Acid Fast Yellow NFG;Aminyl Yellow E-3GL
Molecular Formula C16H12Cl2N5NaO3S
Molecular Weight 448.26
InChI InChI=1S/C16H13Cl2N5O3S/c1-9-15(16(19)23(22-9)10-5-3-2-4-6-10)21-20-13-7-12(18)14(8-11(13)17)27(24,25)26/h2-8,19-20H,1H3,(H,24,25,26)/b19-16?,21-15-
CAS Registry Number 12239-15-5
EINECS 235-473-4
Molecular Structure Acid Yellow 49

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