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Zirconium tetrachloride

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Zirconium tetrachloride Basic information
Zirconium tetrachloride Chemical Properties
  • Melting point:437 °C
  • Boiling point:331°C
  • Density 2.8 g/mL at 25 °C(lit.)
  • vapor pressure 1 mm Hg ( 190 °C)
  • storage temp. Store below +30°C.
  • solubility Soluble in alcohol, ether, hydrochloric acid.
  • form powder
  • Specific Gravity2.803
  • color White
  • PH<1 (H2O, 20℃)(saturated aqueous solution)
  • Water Solubility Reacts with water.
  • Sensitive Moisture Sensitive & Hygroscopic
  • Hydrolytic Sensitivity7: reacts slowly with moisture/water
  • Merck 14,10174
  • CAS DataBase Reference10026-11-6(CAS DataBase Reference)
  • NIST Chemistry ReferenceZirconium tetrachloride(10026-11-6)
  • EPA Substance Registry SystemZirconium tetrachloride (10026-11-6)
Safety Information
  • Hazard Codes C
  • Risk Statements 14-22-34-35
  • Safety Statements 26-36/37/39-45-8
  • RIDADR UN 2503 8/PG 3
  • WGK Germany 3
  • RTECS ZH7175000
  • 19
  • TSCA Yes
  • HS Code 2827 39 85
  • HazardClass 8
  • PackingGroup III
  • Hazardous Substances Data10026-11-6(Hazardous Substances Data)
  • ToxicityLD50 in mice, rats (mg/kg): 665, 1688 orally (Zhilova, Kasparov)
MSDS
Zirconium tetrachloride Usage And Synthesis
  • Chemical PropertiesWhite, lustrous crystals. Sublimes above 300C. Soluble in alcohol; decomposes in water.
  • Chemical PropertiesZirconium tetrachloride forms lustrous, white, monoclinic crystals that melt at 437 ℃. It is a corrosive powder. It is hygroscopic, and thus soluble in cold water, alcohol, ether, and concentrated hydrochloric acid. It reacts vigorously with water forming hydrogen chloride (irritating vapor) and zirconium oxychloride. When moist, zirconium tetrachloride reacts with common materials to form hydrochloric acid that is corrosive to many metals. Through hydrolysis to HCl, zirconium tetrachloride can irritate the respiratory tract and other superficial surfaces of the body on exposure. Zirconium tetrachloride readily forms coordinate bonds with oxygen and nitrogen in organic molecules.
  • Physical propertiesWhite monoclinic crystals; hygroscopic; density 2.80 g/cm3; sublimes at 331°C; triple point 437°C; vapor pressure 1 torr at 190°C; critical temperature 504.85°C; critical pressure 56.95 atm; critical volume 319 cm3/mol; decomposed by water; soluble in alcohol, ether, and concentrated hydrochloric acid.
  • UsesFor applications in organozirconium chemistry.1Activates pyrrolidines for improved conversion, via a modified Bouveault reaction, to the corresponding α,α-dimethylamines.2
  • UsesActivates pyrrolidines for improved conversion, via a modified Bouveault reaction, to the corresponding α,α-dimethylamines.1
  • UsesFriedel-Crafts catalyst. Component of Ziegler-type catalysts in the condensation of ethylene. Starting material in the synthesis of a number of organic derivatives of zirconium, such as alkoxides and zircocene. The alkoxides have been shown to be of value in the curing of silicone plastic films. The alkoxyzirconium carboxylates are said to be useful in the water-repellent treatment of textiles and other fibrous materials.
  • DefinitionChEBI: A zirconium coordination entity comprising four chlorine atoms bound to a central zirconium atom.
  • PreparationZirconium tetrachloride is obtained as an intermediate in recovering zirconium metal from zircon and other minerals (See Zirconium, Recovery). The tetrachloride is obtained by heating a mixture of zirconium hydroxide and car 1004 bon with chlorine gas
    Also, tetrachloride can be made by reacting zirconium hydroxide with hydrochloric acid: Zr(OH)4 + 4HCl → ZrCl4 + 4H2O.
  • General DescriptionWhite lustrous crystalline solid. Used as a source of pure zirconium, as a tanning agent, in analytical chemistry and in treating textiles. Zirconium tetrachloride is decomposed by water. Corrosive to metals in the presence of moisture and to tissue.
  • Air & Water ReactionsReacts vigorously with water forming hydrochloric acid with the evolution of heat.
  • Reactivity ProfileZirconium tetrachloride is corrosive to metals in the presence of moisture and to tissue. Behavior in Fire: Will not burn - sublimes above 626°F (331°C). May give off HCl fumes [USCG, 1999]. Zirconium tetrachloride is incompatible with alcohols (ethanol), lithium metal, and tetrahydrofuran.
  • Health HazardINHALATION: Irritating to upper respiratory tract; presumably caused by liberated HCl. EYES: Irritating. SKIN: Irritating. INGESTION: Burning pain in the mouth and throat, vomiting, watery or bloody diarrhea, retching, collapse, and convulsions.
  • Fire HazardBehavior in Fire: Will not burn - sublimes above 626°F (331°C). May give off HCl fumes.
  • Safety ProfileModerately toxic by ingestion. A corrosive irritant to skin, eyes, and mucous membranes. Ignites spontaneously in air. When heated to decomposition it emits toxic fumes of Cl-. See also ZIRCONIUM COMPOUNDS and HYDROCHLORIC ACID.
  • Purification MethodsCrystallise it repeatedly from conc HCl. It is hydrolysed by H2O to form white ZrOCl2 (see below) and HCl. [Krebs Z Anorg Allgem Chem 378 263 1970.]
Zirconium tetrachloride Preparation Products And Raw materials
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