Vat Orange 21
- CAS NO.：1328-39-8
- Molecular Weight: 0
What is Vat Orange 21?
Preparation
in a higher temperature, 2-Methylanthracene-9,10-dione (or some chlorine derivatives) and brimstone common heating, its product Sodium hypochlorite with treatment (with or without sulfuric acid pretreatment all but)
Properties and Applications
yellow orange. Insoluble in Xylene. The strong sulfuric acid to red light brown, after diluted brown precipitation; Hidden color reduction in alkaline solution for brown in the body; In the acidic hidden color reduction in the solution body for orange.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 5 | 5 | 6 | 5 | 5 | ||
Safety information for Vat Orange 21
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