dye|World dye variety

Name:C.I.Direct Violet 11,C.I.27910

Molecular Structure: Double azo class

C.I.Direct Violet 11,C.I.27910,CAS 6227-19-6,741.7,C34H25N5Na2O8S2,Diamine Fast Violet BBN,Direct Violet B

Molecular Formula:C₃₄H₂₅N₅Na₂O₈S₂

Molecular Weight: 741.7

CAS Registry Number:6227-19-6

Manufacturing Methods : 1-Amino-2-naphthalene sulfonic acid diazo, and 2-Amino-4-methylanisole coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications: blue purple. For purple is soluble in water, soluble in ethanol for red light purple. The strong sulfuric acid for olive, diluted dark for. The dye solution to join strong hydrochloric acid have blue light green precipitation; Add thick sodium hydroxide solution has the purple precipitation.

List of Suppliers:

Diamine Fast Violet BBN( Carbotex Consultants )

Direct Violet B( Joint Stock Company ‘Coioros’ )