The recent publication of Haptschein, Braid, and Fainberg3 on the addition of iodine monochloride to chlorotrifluoroethylene has prompted us to submit the following confirmatory and supplementary data from our own independent investigation. We have confirmed the formation of two isomers and have successfully separated them by vapor- liquid partition chromatography (VPC), The addition was carried out on a one-mole scale ...