Product name:

Vat Brown 3

CAS NO.:

131-92-0

C.I.:

NA

EINECS:

NA

Chemical formula:

C42H23N3O6

Molecular structure:

Appearance:
Shade:
Strength:
Odor:
Specific gravity:
PH value:
Moisture /%:
Melting point:
Solubility:
Light fastness:
Perspiration fastness:

Brown powder
Similar to the standard
100±3%
Weak odor  
Not available
No tested
=7.0
Not available
=25 g/100 ml(90°?)
7
CH:4-5
CO:3-4

Performance and features:

It’s mainly used for dyeing cotton yarn, cotton, wool or silk. Pure grade is used for food dye, or synthesize organic pigments.