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Acid Brown 75(CAS 8011-86-7)

Acid Brown 75

Name:C.I.Acid Brown 75,C.I.34905

Molecular Structure: trisazo class


C.I.Acid Brown 75,C.I.34905,CAS 8011-86-7,843.58,C28H15N9Na2O16S2,Acid Brown B,Acid Brown BR,Acid Brown NR,Acid Brown XR

Molecular Formula:C28H15N9Na2O16S2

Molecular Weight: 843.58

CAS Registry Number: 8011-86-7

Manufacturing Methods :   4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid diazo, in weak alkali conditions Coupled with resorcinol2-Amino-4,6-dinitrophenol diazo, in weak alkali conditions and the single accidentally nitrogen content coupling, its product again with diazo of 4-Nitrobenzenamine weak inorganic acid in the coupling.

Properties and Applications: dark red light brown. Apply to wool, polyamide fiber dyeing, also can be used for leather color.






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