Product Name: Acid Black 1 C.I. No.:20470 CAS No.:1064-48-8 Molecular Formula:C22H14N6N2O9S2 Molecular Weight:616.49 Relative Name: Acid black 10B AcidBlack 1 Dyeing Fastness(grade)
ITEM
STANDAED
RESULT
Appearance
Black crystal
Black
Moisture
6% max
4.50%
Ash Content
17% max
15.10%
Strength
100%
108%
AcidBlack 1 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.