Product Name: Reactive black 8 C.I. No.:Reactive black 8 CAS No.:12225-26-2 Molecular Formula: C19H11ClN8Na2O10S2 Molecular Weight:616.49 Relative Name:
Reactive Dye Black K-BR
Reactive black 8 Dyeing Fastness(grade)
ITEM
STANDAED
RESULT
Appearance
Black crystal
Black
Moisture
6% max
4.50%
Ash Content
17% max
15.10%
Strength
100%
108%
Reactive black 8 Properties and Applications: Black with flash in the granular, a violet is soluble in water, soluble in ethanol is blue. The strong sulfuric acid dyes is blue, it will be diluted and the generated purple precipitation. Blue light purple in aqueous solution, and sodium hydroxide show dark purple precipitation. Application: Mainly used for leather dyeing.wool, Mainly used for leather dyeing. Also applies to wood, paper, sop, electrical-controlled aluminum, wool and silk dyeing of content, but also can be used in the manufacture of ink.