A toxicological profile for cadmium, draft for public comment was released in september 2008. Cadmium metal burns in air to form cadmium iioxide. The pickling process of garlic generally aims to extend shelf life and reduce. A service of the national library of medicine, national institutes of health. Purchase handbook on the toxicology of metals 4th edition. In making the overall evaluation, the working group took into consideration the evidence that ionic cadmium causes genotoxic effects in a variety of types of eukaryotic cells, including human cells. Selected chemical and physical properties of cadmium compounds are presented in the previous iarc monograph iarc, 1993a. Chemical and physical information toxicological profile for cadmium. Cadmium, a transition metal, has the chemical symbol of cd. One of the best described mechanisms against heavy metal toxicity is.
Cadmium metal granular, 7440439, metals, cd by loba chemie, india. Cadmium and cadmium compounds arsenic, metals, fibres. At 300 c cd forms a thin brown gaspermeable coating. It is similar in many respects to zinc but forms complex compounds. Cadmium metal is available in purities ranging from 99. Production, importexport, use, and disposal toxicological profile for cadmium. This webelements periodic table page contains physical properties for the element cadmium. Table 42, physical and chemical properties of cadmium and. Under normal pressure and temperature, cd does not react with the air. It is regularly found with other heavy metals such as zinc, copper, and lead.
Unlike most other metals, cadmium is resistant to corrosion and is used as a protective plate on other metals. Cadmium is a heavy metal that causes direct harm to humans in several forms. Toxicological profiles are revised and republished as necessary. Production, importexport, use, and disposal ncbi bookshelf. Abstract cadmium cd contamination is a highly dangerous international. Handbook on the toxicology of metals 4th edition elsevier. Antioxidative and chelating properties of anthocyanins in azolla. Elemental lead is a solid, but the lead compound, tetraethyl lead an antiknock agent is an. There is limited evidence in experimental animals for the carcinogenicity of cadmium metal. But a metal does bond to other elements to become part of a compound.
The compounds of a metal show properties different from the parent metal. Physical state, lustrous metal, powder or rhombohedral. Cadmium is a soft, malleable, ductile, silverywhite divalent metal. The photoconductive and electroluminescent properties of cadmium sulfide have been applied in manufacturing a variety of consumer goods. The relatively high volatility of cd metal, its large ionic radius, and its chemical. Concentrations increase due to soil disruptionvolcanic activity and a byproduct of industrial processes. Pdf biogeochemistry of cadmium and its release to the. This edition supersedes any previously released draft or final profile. Cytoprotective effects of dietary flavonoids against cadmiuminduced toxicity. Relevant physical and chemical properties of cadmium a. Because mercury, the only metal that is a liquid at room temperature, can dissolve many metals by forming amalgams, medieval alchemists. It is desireable that the handbook will find its way to many bookshelves at hospitals.
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