dye|World dye variety

Name:C.I.Reactive Black 1,C.I.17916

Molecular Structure: Single azo,Metal Complexes

C.I.Reactive Black 1,C.I.17916,CAS 12236-77-0,706.96,C23H13ClN8Na2O10S2,Reactive Black K-BG

Molecular Formula:C₂₃H₁₃ClN₈Na₂O₁₀S₂

Molecular Weight: 706.96

CAS Registry Number:12236-77-0

Manufacturing Methods :4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, again ammoniation, make its forming metal complex (metal is the mixture of cobalt and chromium, also can use when complexation 2-Hydroxybenzoic acid).

Characters and application: black. Dark brown evenly powder.

Properties and Applications: black. Dark brown evenly powder. Solubility of 70 g/L (50 ℃). The strong sulfuric acid in blue, diluted for purple; Rare hydrochloric acid and sodium hydroxide solution in color. Used for cotton, hemp, polyamide fiber and viscose fabric such as printing and dyeing, not suitable for discharge.

List of Suppliers:

Reactive Black K-BG( Sinochem Ningbo Imp & Exp Corp )