dye|World dye variety

Name:C.I.Direct Green 7,C.I.30330

Molecular Structure: trisazo class

C.I.Direct Green 7,C.I.30330,CAS 6360-64-1,850.62,C35H23Cl2N7Na2O8S2,Diamine Green FG

Molecular Formula:C₃₅H₂₃Cl₂N₇Na₂O₈S₂

Molecular Weight: 850.62

CAS Registry Number:6360-64-1

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and 2,5-Dichlorobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidand coupled the product of three, and then o-Cresol coupling.

Properties and Applications:  blue light green. Soluble in water for SAP green, soluble in ethanol are blue-green. The strong sulfuric acid for purple, for gray after diluted. The dye solution to join strong hydrochloric acid have Gray light purple precipitation; Add thick dark gray precipitation sodium hydroxide solution.

List of Suppliers:

Diamine Green FG( Carbotex Consultants )