Selenium elements

SYNS C.I. 77805 COLLOIDAL SELENIUM ELEMENTAL SELENIUM SELEN (POLISH) SELENIUM ALLOY SELENIUM BASE SELENIUM DUST SELENIUM ELExMEKTAL SELENIUM HOMOPOLYMER SELENIUM METAL POWDER, NON-PYROPHORIC (DOT) VANDEX... 

SELENIUM DISULPHIDE (DOT) see SBROOO SELENIUM DUST see SB0500 SELENIUM ELEMENTAL see SB0500 SELENIUM FLUORIDE see SBSOOO SELENIUM HEXAFLUORIDE see SBSOOO SELENIUM HOMOPOLYMER see SB0500 SELENIUM HYDRIDE see HICOOO SELENIUM METAL POWDER, NON-PYROPHORIC (DOT) see SB0500... 

CADMIO (Spanish) or CADMIUM (7440-43-9) Cd Air exposure, especially of powdered form, may cause chemical to self-ignite. Finely divided material reacts violently with strong oxidizers, fused ammonium nitrate, bromine pentafluoride, lithium, nitryl fluoride, phosphorus trichloride, potassium chlorate carbon dioxide + heat, hydrozoic acid (possible explosion), nitric oxide, tellurium. Contact with acid forms explosive hydrogen gas. Contact with hexafluorobenzene forms a heat-sensitive explosive compound. May react with selenium, elemental sulfur, zinc. On small fires, use dry chemical powder (such as Puiple-K-Powder), foam, Halon, or CO2 extinguishers. 

Selenium—element number 34—with a density of 4.8 g/cm is a relatively rare element that is only the 68th most abundant element in Earths crust. There are no selenium ores that would be profitable to mine. Selenium is usually found along with ores of sulfides, especially sulfides of copper. Canada, the United States, and Russia are the primary sources of selenium. 

Synonyms Cl 77805 Colloidal selenium Elemental selenium Selenium base Selenium dust... 

Selenium elemental Selenium homopolymer Selenium metal powder, non-pyrophoric Sellenium alloy... 

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