dye|World dye variety

Name:C.I.Direct Blue 83,C.I.34230

Molecular Structure: trisazo class

C.I.Direct Blue 83,C.I.34230,CAS 3924-58-1,1099.96,C44H29N7Na4O14S4,Sirius Blue 6G

Molecular Formula:C₄₄H₂₉N₇Na₄O₁₄S₄

Molecular Weight: 1099.96

CAS Registry Number:3924-58-1

Manufacturing Methods : 2-Aminobenzene-1,4-disulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications: green light blue. Soluble in water for blue, slightly soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for blue, green for dark blue after diluted. The dye water solution is blue, join strong hydrochloric acid blue precipitation; Add thick sodium hydroxide solution for violet blue.

List of Suppliers:

Sirius Blue 6G( Bayer Group )