Direct Red 84
Name:C.I.Direct Red 84,C.I.35760
Molecular Structure: Multi-azo class
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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