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NAME: Direct Black EX / Direct Black 38  CLICKS: 3346  
Product Information
Product Name: Direct Black EX
C.I. No.: Direct Black 38
CAS No.: 1937-37-7
Chemical Formula: C34H25N9Na2O7S2
Molecular Weight: 781.73
H.S Code: 32041400
Testing report:
Testing Items Standard Indicator Testing Result
Apprearance  Brown Black Powder Brown 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 paints, inks, plastics and leather.
4. Normally , Direct Black 38 is common black dye, could mix with brown into variety coffee color.
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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