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Tungsten oxide tetrafluoride, also known as tungsten oxytetrafluoride or tungsten fluoride oxide, is a chemical compound with the formula WOF4. It is a colorless, volatile solid that is soluble in water and is formed by the reaction of tungsten hexafluoride (WF6) with water. Tungsten oxide tetrafluoride is an important intermediate in the production of tungsten metal and its compounds, as well as a precursor in the synthesis of various tungsten-containing materials. It is also used as a catalyst in some chemical reactions. Due to its reactivity and potential health hazards, it is essential to handle tungsten oxide tetrafluoride with proper safety precautions.

52049-91-9

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52049-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52049-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,4 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 52049-91:
(7*5)+(6*2)+(5*0)+(4*4)+(3*9)+(2*9)+(1*1)=109
109 % 10 = 9
So 52049-91-9 is a valid CAS Registry Number.

52049-91-9Relevant academic research and scientific papers

Chemical interaction of fluoropolymers with transition metals

Tarasov,Alikhanian,Arkhangel'Skii

, p. 809 - 813 (2009)

Chemical interaction of transition metals (Mo, W, Ta, Nb, and Ti) with a tetrafluoroethylene-vinylidene fluoride (TFE-VDF) copolymer (21 mol % TFE + 79 mol % VDF) has been studied by differential scanning calorimetry (DSC) and mass spectrometry. The DSC c

New synthetic route to WSF4 and its solution-phase structure as determined by tungsten L(III)-edge extended X-ray absorption fine structure studies

Banger, Kulbinder K.,Blackman, Christopher S.,Brisdon, Alan K.

, p. 2975 - 2978 (2007/10/03)

The compound WSF4 was synthesized in one step by the reaction of WF6 with (Me3Si)2S in solution at ambient temperatures. Solution-phase structural data have been obtained for the first time for it and related tungsten chalcogenide tetrahalides via a tungsten L(III)-edge EXAFS (extended X-ray absorption fine structure) study. This demonstrates that WOF4, WOCl4 and WSF4 in acetonitrile or dichloromethane solution are monomeric. For WSF4 analysis of the EXAFS data yielded bond lengths of 2.026(8) (W=S) and 1.863(3) A (W-F). The W=S bond length is shorter than previously determined, by gas-phase electron diffraction, but is more consistent with that found in related structures.

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