Purification method of high-purity trifluoroacetyl halide
The invention discloses a purification method of high-purity trifluoroacetyl halide. The purification method comprises the following steps: firstly carrying out freezing collection or compressing collection, and then carrying out distillation and purification. The purification method disclosed by th...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention discloses a purification method of high-purity trifluoroacetyl halide. The purification method comprises the following steps: firstly carrying out freezing collection or compressing collection, and then carrying out distillation and purification. The purification method disclosed by the invention has the advantages that the trifluoroacetyl halide with the purity more than 99.9% can be obtained, and unreacted raw materials can be recycled, so that the utilization rate of raw materials is increased. |
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