dye|World dye variety

Name:C.I.Direct Red 24,C.I.29185

Molecular Structure: Double azo class

C.I.Direct Red 24,C.I.29185,CAS 6420-44-6,902.77,C35H25N6Na3O13S3,Fast Scarlet 4BA,ACDI Scarlet 4BA,Scarlet 4BKA

Molecular Formula:C₃₅H₂₅N₆Na₃O₁₃S₃

Molecular Weight: 902.77

CAS Registry Number:6420-44-6

Manufacturing Methods :  4-Amino-3-methylbenzenesulfonic acid diazo, in acid conditions and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, O-Anisidine diazo, in alkaline conditions and coupled product matches.

Properties and Applications: red. Soluble in water for colourful red, soluble in ethanol Reddish orange, insoluble in other organic solvents. The strong sulfuric acid to red light purple, diluted red orange to orange for brown, precipitation. The dye solution to join strong hydrochloric acid for orange to red orange brown, have precipitation; Add thick sodium hydroxide solution have orange brown precipitation.

List of Suppliers:

ABCOL Fast Scarlet 4BA ( Abbey Color Inc. )

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

ACDI Scarlet 4BA (Aakash Chemicals & Dyestuffs Inc)

Anardirect Red HA ( Anar Chemical Industries )

Direct Fast Scarlet 4BAP( Indo Colchem Ltd )

Direct Fast Scarlet 4BS (Classic Dyestuffs Inc)

Direct Scarlet 4BKA(Classic Dyestuffs Inc)

Direct Scarlet 4BLA (Classic Dyestuffs Inc)

Dyrite Scarlet 4BKA ( Rite Industries Inc. )

Dyrite Scarlet 4BKA(Classic Dyestuffs Inc)

Fabramine Scarlet 4BKA( Fabricolor Inc. )

Fabramine Scarlet 4BKY ( Fabricolor Inc. )

Leadirect Fast Scarlet 4BA ( Leadertech Colors Inc. )

MVdirect Scarlet 4BA ( MV Products Inc. )

Orcomine Scarlet 4BA( Organic Dyestuffs Corp )

Orcomine Scarlet 4BA (Classic Dyestuffs Inc)

Permalite Scarlet 4BSW ( Standard Dyes )

Pyrazol Scarlet 2BSW ( Clariant GmbH )

Pyrazol Scarlet 4BSL( Clariant GmbH )

Solar Scarlet 2G Pdr(Classic Dyestuffs Inc)

Sumitomo Light Scarlet 4BA( Kaseihin Kogyo Kyokai )

Ultrafast Scarlet 4BKA(Classic Dyestuffs Inc)