Registration Dossier

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Physical & Chemical properties

Endpoint summary

Administrative data

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Additional information

1,1,1-trifluoroethane (HFC-143a) is a colorless odorless gas with a melting point of -111.3 deg. C and a boiling point of -47.4 deg. C. In accordance with REACH guidance, data on particle size, stability in organic solvents and identity of relevant degredation products, and viscosity are not needed as the substance is a gas. The vapor pressure at 25 deg. C is 1262 kPa. The log Kow is 1.06 and the water solubility is 761 mg/L at 25 deg. C and 1 atm. It is a flammable gas with flame limits of 7.1 to 16.1% at 20 -25 deg. C.