|
Structural Formula:
Characters:
Brown powder. Soluble in water was yellow-brown, slightly soluble in alcohol and soluble fiber element, not soluble in acetone, benzene, carbon tetrachloride and Stout solvent. Case of concentrated sulfuric acid, brown, red brown after dilution. Case of concentrated nitric acid solution was orange to yellow, add hydrochloric acid aqueous solution does not change color, plus 10% sodium hydroxide was orange precipitate.
|
Quality Q/HG2-183-88
|
|
Index Name
|
Indicators
|
|
Appearance
Strength
Shade
Fineness (through 60 mesh sieve residue content)
Moisture content
Of water-insoluble impurities
|
Uniform dark brown powder
As the standard of 100 ± 3%
With the standard approximation to the micro –
≤5%
≤6%
≤1.5%
|
|
|
Uses:
For silk, wool, tannin mordant dyeing of cotton fiber. Is also used in leather dyeing and paper, bamboo, wood coloring and manufacturing lake, solvent dyes.
|
|
Application Performance:
The product in the fastness of dyeing on cotton (A):
|
|
Sun
|
Soaping
|
Flooding
|
Perspiration
|
Ironing
|
Friction
|
Acid
|
|
Fade
|
Staining
|
Fade
|
Staining
|
Fade
|
Staining
|
Dry
|
Wet
|
Sulfate
|
Acetate
|
Sodium
|
|
1
|
3～4
|
3
|
4
|
3
|
3～4
|
2 ～ 3
|
1
|
4
|
3～ 4
|
3～4
|
2～3
|
4～5
|
|
|
In the acrylic on the dyeing fastness (grade):
|
|
Sun
|
Perspiration
|
Soaping
|
Friction
|
Ironing
|
Dry
|
Flooding
|
|
Dry
|
Wet
|
|
1～ 2
|
4～5
|
4
|
3～4
|
3～4
|
4
|
4
|
4～5
|
|
|
