👉 The term "thionaphthene" refers to a chemical compound that is derived from the natural product called "Thionine." Thionine is a naturally occurring substance found in many plants and animals, including insects. It has several uses in industry, as it can be used to make various chemicals such as thionyl chloride (a disinfectant), thionyl chloride ester (a dyes) and thionyl chloride hydrazide (a catalyst).
