Title: Cadmium Oxide
CAS Registry Number: 1306-19-0
Molecular Formula: CdO
Molecular Weight: 128.41
Percent Composition: Cd 87.54%, O 12.46%
Literature References: Prepn: Gmelins, Cadmium (8th ed.) 33, pp 69-70 (1925); supplement, pp 419-420 (1959). Toxicity data: Barrett et al., J. Ind. Hyg. Toxicol. 29, 279 (1947).
Properties: Dark-brown, infusible powder or cubic crystals. d 8.15. Practically insol in water. Sol in dil acids; slowly sol in ammonium salts. LC50 in rats, monkeys (mg/m3): 500, ~15000 (Barrett).
Density: d 8.15
Toxicity data: LC50 in rats, monkeys (mg/m3): 500, ~15000 (Barrett)
CAUTION: Potential symptoms of overexposure to fumes are pulmonary edema, dyspnea, cough, chest tightness, substernal pain; headache; chills, muscle aches; nausea, vomiting, diarrhea; emphysema, proteinuria, anosmia; mild anemia. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 44. Cadmium and cadmium compounds are listed as known human carcinogens: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-42.
Use: In phosphors, semiconductors; manuf of silver alloys, glass; in storage battery electrodes; as nematocide; as catalyst for organic reactions, in cadmium electroplating; in ceramic glazes.
Therap-Cat-Vet: Has been used as an ascaricide in swine.