Vat Green 11
- CAS NO.：1328-41-2
- Molecular Weight: 0
- Update Date: 2024-03-19 15:37:51
What is Vat Green 11?
Preparation
1,4-Diamino-2,3-ditbromoanthracene-9,10-dione or 1,4-Diamino-2,3-dichloroanthracene-9,10-dione in copper catalyst and tie acid agent under the existence of condensation.
Synthesis
3,3'-Dichloro-4,4'-diaminoindanthrone, Indanthren Green BB, is prepared from 1,4-diamino-2,3- dichloroanthraquinone in naphthalene in the presence of copper powder .
Properties and Applications
blue light green. Variegated dark green powder. Insoluble in Xylene. In concentrated sulfuric acid for green, blue green precipitation after dilution. Alkaline reduction leuco for deep green light blue; Acid reduction leuco for skipper. Mainly used for dyeing cotton fabric.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 5 | 1 | 7-8 | 4-5 | 4-5 | 4 | 4 |
Safety information for Vat Green 11
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