1242 CANADIAV JOURKAL OF CHEMISTRY. J70L. 47, 19G9 the spcctral data and the fact that vpc analysis showed only a single component, these do suffice to characterize the rnaterial adequately. Anal. Calcd. for C,H8C12 (mol. wt., 151.04): C, 47.71; H , 5.34; C1, 46.95. Found (Elek Laboratories rnol. wt., 142.4-143.8.): C, 47.22; 47.24; H, 5.34, 5.39; C1, 46.51. ... Acknowledgments We are grateful to R. Hughes and R. Schill for the chromatographic analyses and to Dr. ...