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Direct Red 84

Name:C.I.Direct Red 84,C.I.35760

Molecular Structure: Multi-azo class

C.I.Direct Red 84,C.I.35760,CAS 6409-83-2,1136.99,C45H28N10Na4O13S4,Sirius Brown 3RL,Sirius Supra Brown 3R-LL

C.I.Direct Red 84,C.I.35760,CAS 6409-83-2,1136.99,C45H28N10Na4O13S4,Sirius Brown 3RL,Sirius Supra Brown 3R-LL

Molecular Formula:C45H28N10Na4O13S4

Molecular Weight: 1136.99

CAS Registry Number:6409-83-2

Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, with (Phenylamino)methanesulfonic acid coupling, a sulfonic acid hydrolysis off base, and then make the light gasification.

Properties and Applications:  dark red yellow light.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4 6-7 3-4 4
AATCC 2-3 4 4-5 2 2

List of Suppliers:

Sirius Brown 3RL( DyStar GmbH & Co Deutschland KG )

Sirius Supra Brown 3R-LL( Bayer Group )


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