dye|World dye variety

Name:C.I.Acid Brown 32,C.I. 23000

Molecular Structure: Double azo

C.I.Acid Brown 32,C.I. 23000,CAS 6375-57-1,848.56,C28H18Cl2N7Na3O10S3,Selan Printing Brown 3R

Molecular Formula:C₂₈H₁₈Cl₂N₇Na₃O₁₀S₃

Molecular Weight: 848.56

CAS Registry Number:6375-57-1

Manufacturing Methods : 4-(4-Amino-2-chlorophenyl)-3-chlorobenzenamine double nitrogen under acid condition and 4,6-Diaminobenzene-1,3-disulfonic acid coupling, and then in alkaline condition and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications: red light brown. Soluble in water for orange brown, slightly soluble in ethanol for orange red. In concentrated sulfuric acid for jujube red, dilution after brown orange. In aqueous solution to join concentrated hydrochloric acid for orange brown; Join concentrated sodium hydroxide solution for orange brown.

List of Suppliers:

Selan Printing Brown 3R(Bayer Group)