|Molar mass||178.12 g·mol−1|
|Lethal dose or concentration (LD, LC):|
LD50 (Median dose)
|400 mg kg−1, rat (intraperitioneal)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is: / ?)(|
Zirconyl chloride is the inorganic compound with the formula of [Zr4(OH)8(H2O)16]Cl8(H2O)12, more commonly written ZrOCl2*8H2O, and referred to at zirconyl chloride octahydrate. Both forms are white solids and are the most common water-soluble derivative of zirconium. A compound with the formula ZrOCl2 has not been characterized.
Production and structure
The salt is produced by hydrolysis of zirconium tetrachloride or treating zirconium oxide with hydrochloric acid. It adopts a tetrameric structure, consisting of the cation [Zr4(OH)8]8+. features four pairs of hydroxide bridging ligands linking four Zr4+ centers. The chloride anions are not ligands, consistent with the high oxophilicity of Zr(IV). The salt crystallizes as tetragonal crystals.
- Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 0080379419.
- Ralph Nielsen "Zirconium and Zirconium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH, Weinheim. doi:10.1002/14356007.a28_543
- T. W. Mak "Refinement of the crystal structure of zirconyl chloride octahydrate" Canadian Journal of Chemistry, 46, 3491 (1968) doi:10.1139/v68-579
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