dye|World dye variety

Name:C.I.Acid Red 19,C.I.16605

Molecular Structure: Single azo class

C.I.Acid Red 19,C.I.16605,CAS 5850-58-8,496.38,C17H10N2Na2O9S2,Chromazone Red A

Molecular Formula:C₁₇H₁₀N₂Na₂O₉S₂

Molecular Weight: 496.38

CAS Registry Number:5850-58-8

Manufacturing Methods : 4-Aminobenzaldehyde diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications: colourful red blue light. Soluble in water is red. The strong sulfuric acid in blue, diluted into red; In the bright red precipitation appear in the hydrochloric acid; Sodium hydroxide solution for deep in the red.

List of Suppliers:

Chromazone Red A( Geigy Co. Ltd )