5,7-dichloro-1,2-dihydro-2-(5,6,7-trichloro-3-oxobenzo[b]thien-2(3H)-ylidene)-3H-indol-3-one
- CAS NO.：6904-93-4
- Empirical Formula: C16H4Cl5NO2S
- Molecular Weight: 451.53846
- EINECS: 2300165
- SAFETY DATA SHEET (SDS)
![5,7-dichloro-1,2-dihydro-2-(5,6,7-trichloro-3-oxobenzo[b]thien-2(3H)-ylidene)-3H-indol-3-one Structural](https://img.chemicalbook.in/CAS/GIF/6904-93-4.gif)
What is 5,7-dichloro-1,2-dihydro-2-(5,6,7-trichloro-3-oxobenzo[b]thien-2(3H)-ylidene)-3H-indol-3-one ?
Preparation
2,5,7-Trichloro-3-pseudoindolone?and 5,6,7-Trichloro-3-thianaphthenone condensation.
Properties and Applications
blue light purple. In concentrated sulfuric acid to blue light green, dilution after purple; In concentrated nitric acid for purple; In the basic insurance powder solution for golden brown. In acid insurance powder solution for pale yellow.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 3-4 | 4-5 | 5-6 | 4 | 3-4 | ||
Safety information for 5,7-dichloro-1,2-dihydro-2-(5,6,7-trichloro-3-oxobenzo[b]thien-2(3H)-ylidene)-3H-indol-3-one
New Products
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