| C. I. NO. : |
C. I. SOLVENT BLACK 7? |
|
Solubility(wt%) |
Fastness Properties |
|
Methanol |
n-Butanol |
Acetone |
Cyclohexanone |
Gasoline |
Benzence |
Toluene |
Xylene |
Ethyl Acetate |
Light Fastness |
Heat Fastness |
Acid Resistance |
Alkail Resistance |
| 5 |
2.5 |
* |
7 |
* |
9 |
9 |
8.7 |
* |
4 |
A |
A |
A |
Solubility:graam weitht of the dye soluble in 100 grams of solvent under normal temperature
Light Fastness:8=excellent;1=very poor
Grade of Fastness:A=unchangeable B=a little changeable C=changeable
Heat Fastness:Keep 10 minutes in dry oven at 150℃
Acid Resistance:deeping into 1% H
2SO
4 solution for 24hours
Alkali Resistance: deeping into 1% NaOH solution for 24 hours