Direct Blue 163
Name:C.I.Direct Blue 163,C.I.33560
Molecular Structure: trisazo class
C.I.Direct Blue 163,C.I.33560,CAS 6548-42-1,987.85,C43H32N7Na3O13S2,Tricufix Blue 3RL
Molecular Formula:C43H32N7Na3O13S2
Molecular Weight: 987.85
CAS Registry Number:6548-42-1
Manufacturing Methods : 5-Amino-2-hydroxybenzoic acid diazo, and 2-Amino-4-methylanisole coupling, again diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling, 2-Amino-4-methylanisole diazo, and formation of accidentally coupled nitrogen compounds.
Properties and Applications: dark red light blue
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 1 | 3-4 | 6 | 4 | 4 | ||
| AATCC | 1 | 3 | 5-6 | 4 | 5 | ||
List of Suppliers:
Tricufix Blue 3RL( Vondelingerplaat Dyestuffs BV )