dye|World dye variety

Name:C.I.Acid Brown 5,C.I.20095

Molecular Structure: Double azo class

C.I.Acid Brown 5,C.I.20095,CAS 5850-05-5,620.57,C26H18Na2O6S2,Acid Brown L,Brown 2R,Brown 7R,Brown BN

Molecular Formula:C₂₆H₁₈Na₂O₆S₂

Molecular Weight: 620.57

CAS Registry Number:5850-05-5

Manufacturing Methods : 2 Moore 4-Aminonaphthalene-1-sulfonic acid diazo, and 1 Moore Benzene-1,3-diamine coupling.

Properties and Applications:  red light brown. Soluble in water for red light brown, slightly soluble in ethanol is shallow orange brown. The strong sulfuric acid for purple, dilute after brown precipitation. In water solution to join hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution have red brown precipitation

List of Suppliers:

Acid Brown L( Rohner Ltd )

Eniavel Brown 2R( Enia Industries Quimicas S.A. )

Euroderm Brown 7R( European Colour (Pigments) Ltd )

Ritacid Brown BN( ritas Mensucat Boylari ve )