ChemicalBook CAS DataBase List TRIFLUOROMETHYLHYPOFLUORITE

TRIFLUOROMETHYLHYPOFLUORITE synthesis

13synthesis methods

Product Name:TRIFLUOROMETHYLHYPOFLUORITE
CAS Number:373-91-1
Molecular formula:CF4O
Molecular Weight:104

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Yield: 98%

Reaction Conditions:

copper;cesium fluoride at 100;

Steps:

A
EXAMPLES; Example A; Synthesis of CF₃OF; 10 l/h of gaseous fluorine, 5 l/h of CO and 10 l/h of nitrogen are contemeporaneously allowed to flow in an AISI 316 steel pipe (inner diameter 2.17 mm and length 100 mm). The reaction is triggered by heating the gas mixing zone at 100° C. for some minutes. During the whole time the reactor is cooled by air circulation so that the temperature is lower than 300° C.; at the reactor outlet the temperature is 250° C. Under these conditions CO and F₂are converted into COF₂with a yield higher than 95% (determined by IR analysis of the outflowing gaseous mixture).The gaseous mixture, after cooling at 100° C., is allowed to flow through a catalytic bed formed of 300 g of fine milled anhydrous CsF having particle size lower than or equal to 0.1 mm, mixed with 300 g of needle-shaped copper having diameter of 0.2 mm and length 6-7 mm. The catalyst is placed in a tubular reactor (inner diameter 55 mm, length 250 mm). The reaction temperature among gases is maintained at 100° C. Under these conditions the COF₂is converted into CF₃OF with yield higher than 98%, determined by IR analysis of the outflowing mixture.

References:

SOLVAY SOLEXIS S.p.A. US2007/149827, 2007, A1 Location in patent:Page/Page column 4

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7782-41-4 Synthesis