6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione Chemical Properties,Usage,Production
Preparation
6-Chloro-4-methyl-2-(phenylimino)benzo[b]thiophen-3(2H)-one and 6-Chlorobenzo[b]thiophen-3(2H)-one condensation.
Properties and Applications
blue light pink to red blue light. The strong sulfuric acid for green, diluted to red; In nitric acid for red; In alkaline insurance powder solution for yellow.
![6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione Structure](https://www.chemicalbook.com/CAS/20180906/GIF/6371-18-2.gif)