Molecular formula :
nature : crystal. 158 ° C melting point. The boiling point 174 ° C. Dissolved in water, alcohol, ether and benzene, which can easily deliquescence. Yi sublimation. With 1,4 - dimethyl-piperazine and 1,2-dibromoethane reaction, first double quaternary system, and then in the latter vacuumed under 230 ~ 240 ° C heating system in pyrolysis. In organic synthesis for non-nuclear-alkali, dehydrohalogenation Central reagents and catalysts.
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