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% H2SO4 solution for 24hours Alkali Resistance: deeping into 1% NaOH solution for 24 hours