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ChemicalBook CAS DataBase List 1-CHLORO-1,1,3,3,3-PENTAFLUOROPROPANE
460-92-4

1-CHLORO-1,1,3,3,3-PENTAFLUOROPROPANE synthesis

11synthesis methods
-

Yield:460-92-4 31.7 %Chromat.

Reaction Conditions:

with chlorine at 23; under 760.051 Torr; for 1 h;Irradiation with sunlamp;Photochlorination;

Steps:

5

Example 5 Photochlorination of HFC-245fa HFC-245fa was analyzed prior to chlorination and found to have a purity of 99.8%. Feed gases consisted of HFC-245fa at a flow rate of 3.5 sccm and chlorine gas at a flow rate of 3.5 sccm. After exposure to light for one hour, the product was analyzed and found to contain 67.1 mole % of HFC-245fa, 31.7 mole % of HCFC-235fa, and 1.2 mole % of other unidentified compounds.

References:

US2007/265368,2007,A1 Location in patent:Page/Page column 5

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