Name:C.I.Reactive Black 31
Molecular Structure: Double azo class
C.I.Reactive Black 31,CAS 12731-63-4,1006.25,C29H18CuN6Na4O17S4,Reactive Black KN-RL,Reactive Black RL
Molecular Formula:C29H18CuN6Na4O17S4
Molecular Weight: 1006.25
CAS Registry Number:12731-63-4
Manufacturing Methods :
Properties and Applications: Red light gray to black. Suitable for cotton dyeing, printing and direct discharge printing. White degree of 74.15%.
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 7 | 3(blue) | 5 | 3-4(Alkali) | 5 | 4(95℃) | 4 |
