calcium orthoarsenate

calcium orthoarsenate

[′kal·se·əm ¦ȯr·thō′ärs·ən‚āt]
(organic chemistry)
Ca3(AsO4)2 A white powder, insoluble in water; used as a preemergence insecticide and herbicide for turf.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.