Chloropentafluoroethane → Difluoromethane

HRID 1274031

Reaktionsgleichung

Reaktionsgleichung von HRID 1274031
[CH:1]([F:7])([F:6])[C:2]([F:5])([F:4])[F:3].C(F)(F)(F)[C:9](Cl)([F:11])[F:10]>>[CH:1]([F:7])([F:6])[C:2]([F:5])([F:4])[F:3].[CH2:9]([F:11])[F:10]

Komponenten

4

Edukt 2

HCID 6430ChloropentafluoroethaneHCID 9633Pentafluoroethane2×

Produkt 2

HCID 6345DifluoromethaneHCID 9633Pentafluoroethane

Versuchsvorschrift

HFC-125 that is substantially free of CFC-115 can be produced in a process comprising contacting an HFC-125 precursor and an HFC-32 precursor with HF optionally over a catalyst to produce a mixture comprising HFC-125 and HFC-32, removing impurities other than CFC-115 from the mixture by distillation or other processes, separating the CFC-115 from the mixture comprising HFC-125 and HFC-32 by azeotropically distilling the low-boiling azeotrope of CFC-115 and HFC-32 overhead in a distillation column, and, recovering a mixture of HFC-125 with HFC-32 substantially free of CFC-115 from the bottom of the distillation column.

Aufarbeitung

  1. customcan be produced in a process comprising

Quellen und Nachweise

ORD-Eintrag
ord-74fa3fa008fa4ffab136fd8690927ca6
Quelldatensatz
uspto-grants-2000_12
Patentnummer
US06156161

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