2,2',4,4',5-pentachlorodiphenyl ether

Use

When rats are given2,2',4,4' ,5-pentachlorodiphenyl ether (PCDE) orally, a total of 55% and 1.3% of administered dose is excreted in feces and urine, respectively, in 7 days. More than 64% of the fecal radioactivity is due to unchanged PCDE, while hydroxylated PCDE accounts for 23%. Hydroxylation may occur on the phenyl ring bearing two chlorine substituents.