Nomenclature
CAS number: 506-82-1
Cadmium dimethyl.
C
2H
6Cd; mol wt 142.48.
C 16.86%, H 4.24%, Cd 78.90%.
Cd(CH
3)
2.
Description and references
Prepn from a Grignard reagent and a cadmium
halide: Krause, Ber. 50, 1813 (1917); Gilman, Nelson, Rec. Trav.
Chim. 55, 518 (1936); Anderson, Taylor, J. Phys. Chem. 56, 161 (1952).
Properties
Liquid. Disagreeable odor. May be kept in a
sealed tube. mp -4.5°; bp758 105.5°; d417.9 1.9846; nD 1.5488. Dec with explosive violence when
heated above 150°. Catches fire when dropped on filter paper and
produces dense clouds of first white, then brown cadmium oxide smoke.
When thrown into water, it sinks to the bottom in large drops, which
dec in a series of sudden explosive jerks, with crack-ling sounds.
Sol in hydrocarbons.Use
In organic synthesis; as polymerization catalyst.