TECHNICAL DATA SHEET

Product name:

DIRECT BLUE 75

CAS NO.:

6428-60-0

C.I.:

34220

EINECS:

229-211-8

Chemical formula:

C42H29N7O13S4.4Na

Molecular structure:

Physical Appearance:
Hue:
Strength:
Odor:
Solubility:
Insoluble:
 Mesh Size:
pH of 1.0% Solution:
Application of Material:
Nature:
Discharge ability:
Banned Amines:
Light Fastness:
Washing Fastness:

Bluish Black Powder
Dull Blue
100±1%
Weak odor  
100 gm/litre at 95-100°cc
<0.2%
80 Mesh Passes about 90%
9.5 ± 0.50
Cotton, Paper, Leather
Non-Hazardous
Very Good
<5 PPM
4-5
3

Performance and features:

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