| | Identification | Back Directory |  | [Name] 
 Zirconium tungstate
 |  | [CAS] 
 16853-74-0
 |  | [Synonyms] 
 ZIRCONIUM TUNGSTATE
 TUNGSTEN ZIRCONIUM OXIDE
 Zirconium ditungstenoctaoxide
 ditungsten zirconium octaoxide
 99.7%(metalsbasisexcludingHf),Hf<0.3%
 Zirconium tungstophosphoric acid,Zirconium tungstate
 TUNGSTEN ZIRCONIUM OXIDE, 99.7% (METALS BASIS EXCLUDING HF),
 Tungsten zirconium oxide, 99.7% (metals basis excluding Hf), Hf <0.3%
 |  | [EINECS(EC#)] 
 240-876-3
 |  | [Molecular Formula] 
 O8W2Zr
 |  | [MDL Number] 
 MFCD00168096
 |  | [MOL File] 
 16853-74-0.mol
 |  | [Molecular Weight] 
 586.9
 | 
 | Chemical Properties | Back Directory |  | [density ] 
 5.10
 |  | [form ] 
 Powder
 |  | [color ] 
 White to pale green
 |  | [Water Solubility ] 
 Insoluble in water.
 |  | [Exposure limits] 
 ACGIH: TWA 3 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
 NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
 |  | [InChI] 
 InChI=1S/8O.2W.Zr/q;;;;4*-1;;;+4
 |  | [InChIKey] 
 OJLGWNFZMTVNCX-UHFFFAOYSA-N
 |  | [SMILES] 
 [W]([O-])(=O)(=O)[O-].[W]([O-])([O-])(=O)=O.[Zr+4]
 |  | [EPA Substance Registry System] 
 Tungsten zirconium oxide (W2ZrO8)(16853-74-0)
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 -200 mesh with 99.7% purity; light green powder(s) [STR93] [CER91]
 |  | [Uses] 
 Tungsten zirconium oxide is used as a super acid catalyst in the hydrocarbon isomerization process and esterification of waste acid oil.
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