dye|World dye variety

Name:C.I.Basic Brown 2,C.I.21030

Molecular Structure: Double azo class

C.I.Basic Brown 2,C.I.21030,CAS 6358-83-4,376.42,C19H20N8O,Kenazol Brown BG,Leather Brown 5RT

Molecular Formula:C₁₉H₂₀N₈O

Molecular Weight: 376.42

CAS Registry Number:6358-83-4

Manufacturing Methods : 4-Methoxybenzene-1,3-diamine  double nitriding, and Benzene-1,3-diamine(2 Moore) coupled.

Properties and Applications: dark red light brown. Soluble in water and ethanol, insoluble in acetone, benzene, carbon tetrachloride, ceramic, and solvent. For the strong sulfuric acid in dark brown, diluted solution for orange brown; In strong hydrochloric acid solution for blood-red; In nitric acid solution for brown, then into orange. The dye solution to join 10% sodium hydroxide solution without change.

List of Suppliers:

Kenazol Brown BG ( Albion Colours Ltd )

Leather Brown 5RT( BASF Aktiengesellschaft )