Vat orange 7 appearance is generally orange-red powder. It is insoluble in acetone, alcohol, chloroform and toluene; slightly soluble in pyridine and o-chlorophenol. It is dark red yellow in concentrated sulfuric acid.
The leuco body formed by the dye in the alkaline powder solution is Olive green, the acid powder solution is reddish brown.
Usage
- Vat orange 7 used for cotton dyeing and dip dyeing, it is suitable for the special method. The amount of caustic soda is increased by 50% compared with the conventional method, so that a higher dyeing depth can be obtained.
- It leuco body has good affinity to cotton fiber, good leveling property. The hiding power of dead cotton is poor. Oxidation performance is good, can be washed, air, etc. Oxidation. Dyed fabrics have good washability. In addition to being used for dyeing or dip dyeing, they can also be used for suspension padding.
- It is suitable for direct printing, but also for color protection or color printing.
- It is suitable for dyeing fiber products such as vinylon and nylon.
Technical Specifications
- Product Name:Brilliant Orange GR(Vat Orange 7)
- C.I. No.: 71105
- CAS No.: 4424-06-0
- Molecular Formula: C26H12N4O2
- Molecular Weight: 412.40
- Shade: Red light Orange
- Relative name:Vat Orange GR;Vat Brilliant Orange GR;Cibanon Orange 3R;VibraColor Orange VOR7;
Dyeing depth g/L | 30 |
Dyeing method | IN spl IN |
Leuco color | Olive |
Leveling property | ▲▲ |
Dead cotton | ▲ |
Light (Xenon test 1/12) | 6 |
Light (Xenon test 1/1) | 6-7 |
Light (Xenon test 2/1) | 7-8 |
Package
25KG/DRUM, CARTON BOX, BAG
