Name | Vat Blue 4B | EINECS | 219-598-1 |
CAS No. | 2475-31-2 | Density | 2.313 g/cm3 |
PSA | 58.20000 | LogP | 6.14080 |
Solubility | Insoluble in water, ethanol, soluble in dimethylbenzene, tetrahydronaphthalene, nitrobenzene | Melting Point | N/A
|
Formula | C16H6Br4N2O2 | Boiling Point | 563.381 °C at 760 mmHg |
Molecular Weight | 577.852 | Flash Point | 294.523 °C |
Transport Information | N/A | Appearance | Dark blue powder |
Appearance and properties: dark blue powder
Density: 2.313g/cm3
Boiling point: 563.4ºC at 760mmHg
Flash point: 294.5ºC
Refractive index: 1.762
Vapor pressure: 1.02E-12mmHg at 25°C
Usage
Mainly used for cotton fiber and textile dyeing and printing. Can also be used for viscose fiber, silk, wool, cotton blended fabric dyeing. This product is one of the important dyes for cotton printing. In addition to being used as a single main color, it is often combined with VAT red Violet RH and VAT Brown RRD to adjust the color light. The sturgeon dye of this product was finished by urea aldehyde, cyanaldehyde or DMEU resin, and the color light benzene did not change. Finished with 2D resin, the color light is reddish. Finished with BHES resin, the color light turns green and dark.