| C. I. NO. : | C. I. SOLVENT BLACK 3 | 
 
| Solubility(wt%) | Fastness Properties | 
| Methanol | n-Butanol | Acetone | Cyclohexanone | Gasoline | Benzence | Toluene | Xylene | Ethyl Acetate | Light Fastness | Heat Fastness | Acid Resistance | Alkail Resistance | 
| 1 | 3.1 | 10.5 | 10 | 0.4 | 9.4 | 9.5 | 9.9 | 9.9 | 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