Chlorofluoromethane

• Monochloroacetic monofluoromethane
• R 31
• Freon 31

Gaseous

2.37 times heavier than air

-133 ° C

-9.1 ° C

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Chlorofluoromethane (Freon 31, HCFC 31) is a chemical compound from the group of chlorofluorocarbons substances.

Occurrence

Chlorofluorocarbons, methane comes in traces in the upper atmosphere before, so were measured in 22 ppt 148 km altitude.

Properties

Chlorofluoromethane has a monoclinic crystal structure of the space group P21 and the lattice constants of a = 6.7676, b = 4.1477, c = 5.0206 ( .10-1 nm), β = 108 205 °.

Use

Chlorofluoromethane was used as the refrigerant. It is guided by the Montreal Protocol as a substance which degrades the ozone layer.

Safety

Chlorofluorocarbons, methane is classified as carcinogenic category 2.