dye|World dye variety

Name:C.I.Basic Red 5,C.I.50040

Molecular Structure: azine class

C.I.Basic Red 5,C.I.50040,CAS 553-24-2,288.78,C15H17ClN4,Albion Neutral Red

Molecular Formula:C₁₅H₁₇ClN₄

Molecular Weight: 288.78

CAS Registry Number:553-24-2

Manufacturing Methods : (a) N,N-dimethyl-4-nitrosobenzenamine and 4-Methylbenzene-1,3-diamine   reaction, form Toluylene Blue (Basic Dye, C.I. 49410), heating make cyclization; (b) oxidation N1,N1-dimethylbenzene-1,4-diamine , and 4-Methylbenzene-1,3-diamine mixture.

Properties and Applications:  red light purple and red. Soluble in water is cherry red, soluble in ethanol for product red colour with red fluorescent light brown. The strong sulfuric acid for green, blue for diluted, and then into a product red. The dye solution to join strong sodium hydroxide solution have yellow brown precipitation.

List of Suppliers:

Albion Neutral Red( Albion Dyestuffs Ltd )