About this document
Halogenation Process for Dyestuffs by junaidrai is a document available to read on EtoBox.
1. The patent is for a process of halogenating aromatic organic compounds and vat dye compounds, especially those of the benzanthrone series, by treating them with chlorine or bromine in the presence of sulfur dioxide and a suitable organic solvent. 2. Key advantages of the process include promoting the halogenation reaction and producing halogenated products with desirable physical characteristics. 3. Examples show isoviolanthrone being chlorinated in nitrobenzene with sulfur dioxide and chlorine, and
- Author
- junaidrai
- Language
- EN