TECHNICAL DATA SHEET

Product name:

Direct black 19 liquid

CAS NO.:

6428-31-5

C.I.:

35255

EINECS:

Not available

Chemical formula:

C34H27N13O7S2.2Na

Molecular structure:

Appearance:
Shade:
Strength:
Odor:
Specific gravity:
PH value:
Moisture /%:
Insoluble matter /%:
Fineness(80 mesh) /%:
Solution:
Light fastness:
Washing fastness(40°С)
Rubbing fastness:
Sublimation fastness (180°С 30sec):
Perspiration fastness:

Black liquid
Similar to the standard
50±1%
Weak odor  
Not available
≥9.0
≤5.0
≤1.0
Not available
Not available
3-4
2
Dry: 3
Wet: 2
3
2

Performance and features:

The product is mainly used for dyeing paper.