CAS Number: 13874-02-7
Molecular Weight: 397.80
Molecular Formula: NaAuCl4•2H2O
Physical Appearance: Yellow to gold powder or crystals
Description
Sodium tetrachloroaurate (III) dihydrate is a water/alcohol soluble Au(I) complex that is formed from NaAuCl4. It has potential for application in chemotherapeutics.
Sodium Tetrachloroaurate(III) Dihydrate is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered.
Sodium is a metallic element with a symbol Na, and atomic number 11. It is a soft, silvery-white, highly reactive metal and is a member of the alkali metals within "group 1". It has one stable isotope, 23Na.
Elemental sodium was first isolated by Humphry Davy in 1807 by passing an electric current through molten sodium hydroxide. Elemental sodium does not occur naturally on Earth, because it quickly oxidizes in air and is violently reactive with water, so it must be stored in a non-oxidizing medium, such as a liquid hydrocarbon. The free metal is used for some chemical synthesis, analysis, and heat transfer applications.
Characteristics
At room temperature, sodium metal is soft enough that it can be cut with a knife. In air, the bright silvery luster of freshly exposed sodium will rapidly tarnish. The density of alkali metals generally increases with increasing atomic number, but sodium is denser than potassium. Sodium is a fairly good conductor of heat.
Sodium changes color at high pressures, turning black at 1.5 megabar, becoming a red transparent substance at 1.9 megabar, and is predicted to become clearly transparent at 3 megabar. The high pressure allotropes are insulators and take the form of sodium electride.
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