dye|World dye variety

Name:C.I.Direct Brown 149,C.I.36310

Molecular Structure: Multi-azo class

C.I.Direct Brown 149,C.I.36310,CAS 1333-26-2,1683.53,C65H51N24Na5O15S5,Diamine Nitrozol Brown BD

Molecular Formula:C₆₅H₅₁N₂₄Na₅O₁₅S₅

Molecular Weight: 1683.53

CAS Registry Number:1333-26-2

Manufacturing Methods : 3,5-Diamino-4-methylbenzenesulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product double nitriding, and Benzene-1,3-diamine (2 Moore) coupled, 3,5-Diamino-4-methylbenzenesulfonic acid (1 Moore) double nitriding, and generated three accidentally nitrogen compounds (2 Moore) coupled.

Properties and Applications:  dark red light brown. Moderate soluble in water for brown, slightly soluble in alcohol. The strong sulfuric acid for olive, diluted for yellow brown. The dye solution to join strong hydrochloric acid have dark brown precipitation; Add thick sodium hydroxide solution for dark orange brown.

List of Suppliers:

Diamine Nitrozol Brown BD ( Carbotex Consultants )