2, 2', 4, 4', 6, 6'-Hexanitrostilbene (1) has been prepared from 2, 4, 6-trinitrobenzyl chloride by reaction with alcoholic potassium hydroxide. The product melts at 316", 105" higher than the melting point for a product reported to be hexanitrostilbene, obtained from the reaction of 2, 4, 6-trinitrobenzyl bromide with alcoholic potassium hydroxide. That the product reported here is indeed 1 has been confirmed by molecular weight determination, elemental ...