Direct Black 197
Name:C.I.Direct Black 197,C.I.35448
Molecular Structure: Multi-azo class
C.I.Direct Black 197,C.I.35448,1096.03,C46H36N13Na3O10S3,Sakoton Black 5S
Molecular Formula:C46H36N13Na3O10S3
Molecular Weight: 1096.03
CAS Registry Number:
Manufacturing Methods : 5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to double nitriding, and 4-Methylbenzene-1,3-diamine (2 Moore) coupled.
Properties and Applications: black.
| Standard(cotton) | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 2 | 4 | 4-5 | 4 | 4-5 | ||
List of Suppliers:
Sakoton Black 5S( Sivashdky Dye Plant )