dye|World dye variety

Name:C.I.Direct Blue 93,C.I.22810

Molecular Structure: Double azo class

C.I.Direct Blue 93,C.I.22810,CAS 13217-74-8,1144.82,C48H26N6Na6O16S2,Sirius Supra Blue 3RL

Molecular Formula:C₄₈H₂₆N₆Na₆O₁₆S₂

Molecular Weight: 1144.82

CAS Registry Number:13217-74-8

Manufacturing Methods : 2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid double nitriding, and 3-(5-Hydroxy-7-sulfonaphthalen-2-ylamino)benzoic acid (2 Moore) coupled, again with copper sulfate and ammonia water heated to 90 ℃ solution together, make into copper complex.

Properties and Applications: red light blue. For purple soluble in water, soluble in ethanol. The strong sulfuric acid for blue, for purple diluted. The dye solution to join strong hydrochloric acid for red light blue precipitation; With strong sodium hydroxide solution for blue precipitation.

List of Suppliers:

Sirius Supra Blue 3RL( IG Farbenindustrie AG )