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Product Name:Grey 3B(Vat Black 16)
C.I. No.: 59855
CAS No.: 1328-19-4
Molecular Formula:C34H18N2O2
Molecular Weight: 486.52
Shade: Blue light grey
Relative name:Direct Black SNA;Vat Grey 3B;Akavat Black SNA;Grey 3B;
Vat Black 16 Physical Properties and light fastness.
Properties:
With metallic luster of black powder. Insoluble in water, Xylene, slightly soluble in Pyridine for blue, brown light red fluorescence. In concentrated sulfuric acid to dark purple. Alkaline reduction leuco for red light blue; Acid reduction leuco for red light brown.
Applications:
Mainly used for cotton, vinylon, viscose fiber and fabric dyeing and printing, and can also be used to dark gray discharge printing.
Package, 25KG/DRUM, CARTON BOX, BAG
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application
C.I. No.: 59855
CAS No.: 1328-19-4
Molecular Formula:C34H18N2O2
Molecular Weight: 486.52
Shade: Blue light grey
Relative name:Direct Black SNA;Vat Grey 3B;Akavat Black SNA;Grey 3B;
Vat Black 16 Physical Properties and light fastness.
| Grass Orange 16 | |
| Dyeing depth g/L | 40 |
| Dyeing method | SR IN |
| Leuco color | Blue(R) |
| Leveling property | - |
| Dead cotton | - |
| Light (Xenon test 1/12) | 5 |
| Light (Xenon test 1/1) | 6-7 |
| Light (Xenon test 2/1) | 7-8 |
With metallic luster of black powder. Insoluble in water, Xylene, slightly soluble in Pyridine for blue, brown light red fluorescence. In concentrated sulfuric acid to dark purple. Alkaline reduction leuco for red light blue; Acid reduction leuco for red light brown.
Applications:
Mainly used for cotton, vinylon, viscose fiber and fabric dyeing and printing, and can also be used to dark gray discharge printing.
Package, 25KG/DRUM, CARTON BOX, BAG
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application