Product use: Diphenylethane can be brominated to synthesize a new flame retardant - decabromodiphenylethane. The sulfonated product of diphenylethane is an excellent tanning agent in the leather processing industry, and can also be used in the pharmaceutical industry. It is used as a clean heat-conducting oil to replace ordinary heat-conducting oil, and is an essential raw material for the production of fluorescent whitening agents and pharmaceutical intermediates.