Vat Green 9 Vat Black BB
Dynathrene is our brand of Vat dyes which offer excellent fastness to washing, light and bleaching for cellulosic fiber.
Vat Green 9 Vat Black BB
1. Molecular formula: C34H15NO4 |
2. Molecular weight: 501.49 |
3. Structure formula: |
4. CAS NO.:6369-65-9 |
5. Appearance: Black powder. |
6. Specification: Strength 150% & CDP |
7. Usage: Mainly used in dyeing of cotton and silk. |
8. Packing, storage and transportation: Packed with 25KG cartons, allows to be tansported by the general means. |
Vat Green 9 Vat Black BB
Properties and Applications:
deep green. Black powder. Etanol and insoluble in water, soluble in 2 – Chlorophenol, 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene, slightly soluble in Acetone, Chloroform, Pyridine and Toluene. In concentrated sulfuric acid to dark purple, dilution after dark purple precipitation; In concentrated nitric acid for SAP green. Alkaline reduction leuco for purple; Acid reduction leuco for wine. Mainly used for cotton fabric dyeing, suitable for suspension pad dyeing. The leuco used for dyeing yarn. Don’t the bleaching solution treatment dye light color, the chlorine bleaching can be dyed grey or black. Can also be used for viscose, silk and wool dyeing.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 1 | 6 | 3 | 4 | 5 | 4-5 |
| AATCC | 5 | 7 | 3 | 4 | |||
Vat Green 9 Vat Black BB
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