dye|World dye variety

Name:C.I.Acid Red 47,C.I.27300

Molecular Structure: Double azo class

C.I.Acid Red 47,C.I.27300,CAS 6226-88-6,842.66,C27H16N4Na4O13S4,Brilliant Croceine 9B

Molecular Formula:C₂₇H₁₆N₄Na₄O₁₃S₄

Molecular Weight: 842.66

CAS Registry Number:6226-88-6

Manufacturing Methods : 7-Aminonaphthalene-1,3-disulfonic acid diazotization and coupling O-Methylaniline, methanesulfonic acid hydrolyzable group, and diazotization, and with 7-Hydroxynaphthalene-1,3-disulfonic acid coupling.

Properties and Applications: colourful red blue light. Soluble in water for product red, not soluble in alcohol. In the strong sulfuric acid as dark blue, diluted into product red. In water solution to join strong hydrochloric acid by product red to wine red; Add thick sodium hydroxide solution for dark brown.

List of Suppliers:

Brilliant Croceine 9B( Carbotex Consultants )