A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
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Names | |
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Other names
zirconium disulfate
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Identifiers | |
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3D model (JSmol)
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ECHA InfoCard | 100.035.162 |
PubChem CID
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RTECS number |
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UNII |
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CompTox Dashboard (EPA)
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Properties | |
Zr(SO4)2(H2O)x ( x = 0, 4, 5, 7) | |
Molar mass | 285.35 g/mol (anhydrous) 355.40 g/mol (tetrahydrate) |
Appearance | white solids |
Density | 3.22 g/cm3 (anhydrous) 2.85 g/cm3 (tetrahydrate) |
52.5 g/100 mL (tetrahydrate) | |
Refractive index (nD)
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1.646 |
Structure | |
orthorhombic | |
Hazards | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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3500 mg/kg (rat, oral)[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
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Zirconium(IV) sulfate is the name for a family of inorganic salts with the formula Zr(SO4)2(H2O)n where n = 0, 4, 5, 7. These species are related by the degree of hydration. They are white or colourless solids that are soluble in water.
Preparation and structure
Zirconium sulfate is prepared by the action of sulfuric acid on zirconium oxide:
- ZrO2 + 2 H2SO4 + H2O → Zr(SO4)2(H2O)x
The anhydrous sulfate is also known.
These compounds adopt complex structures featuring 7- and 8-coordinated Zr centres. Both water and sulfate serve as ligands.[2][3]
Uses
Zirconium sulfate is used in tanning white leather, as a catalyst support, to precipitate proteins and amino acids, and as a pigment stabilizer.
References
- ^ "Zirconium compounds (as Zr)". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
- ^ Bear, Isabel J.; Mumme, W. G. "Crystal chemistry of zirconium sulfate. III. Structure of the β-pentahydrate, Zr2(SO4)4(H2O)8.2H2O, and the interrelationship of the four higher hydrates" Acta Crystallogr. 1969. B25, 1572-1581. doi:10.1107/S0567740869004341
- ^ Squattrito, Philip J.; Rudolf, Philip R.; Clearfield, Abraham "Crystal structure of a complex basic zirconium sulfate" Inorganic Chemistry 1987, vol. 26, 4240-4.doi:10.1021/ic00272a020
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