DichlorofluoromethaneDichlorofluoromethane or Freon 21 or R 21 is a halomethane or hydrochlorofluorocarbon with the formula CHCl2F. It is a colorless and odorless gas. It is produced by fluorination of chloroform using a catalyst such as antimony trifluoride: Read from the Chembox of the Wikipedia article Dichlorofluoromethane, revision 1380025480.

Property

Value

Formula

CHCl2F, 102.92 g/mol

Melting point

-135 °C

Boiling point

8.92 °C

Density

0.001405 g/cm³

log P, measured

1.55

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