Dandong Chemical Research Institute Co., Ltd.
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Acid Black 24
CAS Number: 3071-73-6
![4-({4-[(E)-(2-Methyl-4-{[(4-methylphenyl)sulfonyl]oxy}phenyl)diazenyl]phenyl}amino)-3-nitrobenzenesulfonic acid](https://static.chemtradehub.com/structs/122/12220-06-3-7a8d.webp)
Acid Black 172
CAS Number: 61847-77-6
Direct black 168
CAS Number: 85631-88-5
Acid black 29
CAS Number: 12217-14-0
![Sodium 4-({4-[(E)-(4-hydroxy-2-methylphenyl)diazenyl]phenyl}amino)-3-nitrobenzenesulfonate](https://static.chemtradehub.com/structs/708/70865-20-2-25eb.webp)
![4-[(E)-(5-Amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)diazenyl]-2,5-dichlorobenzenesulfonic acid](https://static.chemtradehub.com/structs/122/12239-15-5-0fe4.webp)
![Disodium 3-[(E)-{2,2'-dimethyl-4'-[(E)-(4-{[(4-methylphenyl)sulfonyl]oxy}phenyl)diazenyl]-4-biphenylyl}diazenyl]-4-hydroxy-2,7-naphthalenedisulfonate](https://static.chemtradehub.com/structs/635/6358-57-2-cfc9.webp)
![sodium;[2-[(E)-(3-methyl-5-oxido-1-phenyl-pyrazol-4-yl)azo]benzoyl]oxy-[2-[(E)-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)azo]benzoyl]oxy-chromium](https://static.chemtradehub.com/structs/560/5601-29-6-2805.webp)
Acid Red 138 (~35% Dye Content)
CAS Number: 15792-43-5
![Sodium 3,3'-({[4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methylene}bis[4,1-phenylene(ethylimino)methylene])dibenzenesulfonate](https://static.chemtradehub.com/structs/169/1694-09-3-e0dd.webp)
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Liu Qian
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