in neat (no solvent) byproducts: CO, ketene; thermal decompn. on heating in vac. (4E-3 Torr) and at different N2-pressures (5, 45, 135, 385 and 760 Torr) above 200°C; formation of a solid, trapping of volatile decompn. products in a receiver cooled with liquid N2;; elem. anal. of the solid product, IR of condensate;;

in methanol; acetic acid byproducts: CH4; Irradiation (UV/VIS); irradiation with a medium pressure 400 W Hg lamp; not isolated; detn. by UV, ESR;

in neat (no solvent) byproducts: CO2, H2, C; thermal decompn. at 300-350°C in vac.;; elem. anal.;;