Prepn: E. Dreher, R. Otto, Ann. 154, 93 (1870); F. C. Whitmore, Organic Compounds of Mercury (Chemical Catalog Co., New York, 1921) pp 175; Grave et al., J. Am. Pharm. Assoc. 25, 752 (1936). Control of crabgrass: J. A. DeFrance, Greenkeepers Rep. 15, 30 (1947). Metabolism in animals: V. L. Miller et al., Toxicol. Appl. Pharmacol. 2, 344 (1960). GC determn in air: M. G. Rosell et al., Pergamon Ser. Environ. Sci. 7, 299 (1982).