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NAME: Direct Copper Blue 2B / Direct Blue 151  CLICKS: 2176  
Product Information
Product Name: Direct Copper Blue 2B
C.I. No.: Direct Blue 151
CAS No.: 110735-25-6
Chemical Formula: C34H25N5Na2O10S2
Molecular Weight: 773.69
H.S Code: 32041400
Testing report:
Testing Items Standard Indicator Testing Result
Apprearance  Blue Black Powder Blue Black Powder
Color Shade :  Similar to standard Similar to standard
Content (%):  1003 100%
Moisture (%): 0.3 0.20
Insolubles (%): 0.3 0.20
Conclusion: Qualified
1.Mainly used for cotton and viscose fiber dyeing, excellent leveling migration property;
2.Also used for natural silk, Nylon and blended fabric dyeing.
3.They are widely used in leather, silk, wool and paper dyeing.
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Specials:   Basic Rhodamine , Direct Copper Blue 2B , Acid Black ATT , Direct Sky Blue 5B , Acid Red 3R , Acid Orange II , Acid Gloden Yellow G , Direct Black EX , Direct Scarlet 4BS , Direct Yellow R , Direct Yellow G , Sulphur Black BR