Journal of the American Chemical Society

Stability of DDT and related compounds

EE Fleck, HL Haller

文献索引：Fleck; Haller Journal of the American Chemical Society, 1946 , vol. 68, p. 142

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被引用次数: 16

摘要

On prolonged chlorination of phthalic anhydride at 170-265'in the presence of ferric chloride'a weight increase greater than that corresponding to the formation of the tetrachloro derivative is observed, and finally the weight decreases again, while carbon dioxide and phosgene (identified as diphenylurea) are being evolved. The final product, obtained in 95% yield, is hexachlorobenzene. The formation of hexachlorobenzene from unsym- ...