Ammonium Tetrachlorozincate
Structural Formula Vector Image
Title: Ammonium Tetrachlorozincate
CAS Registry Number: 14639-97-5
Molecular Formula: Cl4H8N2Zn
Molecular Weight: 243.30
Percent Composition: Cl 58.29%, H 3.31%, N 11.51%, Zn 26.88%
Line Formula: (NH4)2ZnCl4
Literature References: Prepd by dissolving 70 g ZnCl2 and 30 g NH4Cl in 29 ml hot water and crystallizing: Meerburg, Z. Anorg. Allg. Chem. 37, 199 (1903); Wagenknecht, Juza in Handbook of Preparative Inorganic Chemistry Vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 1072.
Properties: White, thin, shiny platelets. Orthorhombic bipyramidal. Hygroscopic. d 1.879. mp ~150° (dec). Sublimes at 341° without melting, if absolutely dry. Very sol in water with absorption of heat.
Melting point: mp ~150° (dec)
Density: d 1.879

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