dye|World dye variety

Name:C.I.Direct Red 72,C.I.29200

Molecular Structure: Double azo class

C.I.Direct Red 72,C.I.29200,CAS 8005-64-9,938.81,C38H25N6Na3O13S3,ACDI Fast Scarlet 4-BAP,Direct Scarlet 4SWN,Direct Scarlet 4BA

Molecular Formula:C₃₈H₂₅N₆Na₃O₁₃S₃

Molecular Weight: 938.81

CAS Registry Number:8005-64-9

Manufacturing Methods : 6-Aminonaphthalene-2-sulfonic acid diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, O-Anisidine (0. 6 Moore) and O-Methylaniline (0.4 Moore) diazo, and coupled product matches.

Properties and Applications: red. Soluble in water for colourful red, soluble in ethanol is shallow orange red. The strong sulfuric acid to red light purple, diluted red brown to orange for brown. The dye solution to join strong hydrochloric acid for orange brown; With strong sodium hydroxide solution for red light brown to orange brown.

List of Suppliers:

ACDI Fast Scarlet 4-BAP (Aakash Chemicals & Dyestuffs Inc)

ADC Direct Scarlet 4SWN (Classic Dyestuffs Inc)

Direct Fast Scarlet 4BEN( S A des Ets. Steiner )

Direct Scarlet 4BA ( Global Colors Inc. )

Direct Scarlet 4SWN (Yorkshire Group pic)

Direct Scarlet 4SWN (Classic Dyestuffs Inc)

Dyrite Scarlet 4SWN( Rite Industries Inc. )

Leadirect Scarlet 4SWN ( Leadertech Colors Inc. )

MVdirect Scarlet 4SWN( MV Products Inc. )

Orcomine Scarlet 4BGP( Organic Dyestuffs Corp )

Permalite Red 4SWN( Standard Dyes )