422-32-2Relevant articles and documents
PROCESS FOR REFINING HCFC-224ca AND/OR CFO-1213ya, PROCESS FOR PRODUCING HCFC-224ca, AND PROCESS FOR PRODUCING CFO-1213ya
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Paragraph 0121, (2019/12/04)
PROBLEM TO BE SOLVED: To provide a process in which a difficult-to-separate HCFC-224ab can easily be removed and HCFC-224ca and/or CFO-1213ya can be produced with high purity and high yield. SOLUTION: Provided is a process for refining HCFC-224ca and/or CFO-1213ya, comprising a step of removing at least a portion of said HCFC-224ab from a mixture containing 1,1,3-trichloro-2,2,3,3-tetrafluoropropane (HCFC-224ca) and/or 1,1,3-trichloro-2,3,3-trifluoropropene (CFO-1213ya) and 1,2,2-trichloro-1,1,3,3-tetrafluoropropane (HCFC-224ab). SELECTED DRAWING: None COPYRIGHT: (C)2019,JPOandINPIT