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Direct Scarlet 4BS

Product Name: Direct Scarlet 4BS
C.I. No.: Direct Red 23
CAS NO: 3441-14-3
Chemical Formula: C35H27N7O10S2
Molecular Weight: 769.7598
H.S Code: 32041400
Testing report:
Testing Items Standard Indicator Testing Result
Apprearance  Purple Red Powder Purple Red Powder
Color Shade :  Similar to standard Similar to standard
Content (%):  1003 100%
Moisture (%): 5.0 3.75
Insolubles (%): 1.0 0.35
Conclusion: Qualified
1.mainly used for cotton,viscose and other cellulose fabric dyeing,with excellent dye-uptake,but migration property is not so good;
2.also used for direct printing and used as mixture with Yellow,Orange,Red and Brown.
3.applied to natural silk, wool, leather and paper coloring.
Time: 2016-7-28 Click: 13
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