Direct Black 38

Direct Black 38

TECHNICAL DATA SHEET

Product name:

DIRECT BLACK 38 POWDER

CAS NO.:

1937-37-7

C.I.:

30235

EINECS:

217-710-3

Chemical formula:

C34H27N9O7S2.2Na

Molecular structure:

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

Black powder
Similar to the standard
Similar to the standard
Weak odor  
Not available
Not available
≤5.0
≤1.0
4
4
Dry: 4
Wet: 1-2
4
4

Performance and features:

The product is mainly used for dyeing cotton, hemp, mucilage glue, silk, and mucilage or cotton mixed textile fabrics.

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