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Physical & Chemical properties

Flash point

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Description of key information

Flash point is a property of flammable liquids and is not relevant to 1,1,1,2-tetrafluoroethane (HFC 134a), which is a non-flammable gas at normal temperature and pressure.

Key value for chemical safety assessment

Additional information

Testing is technically not possible to determine a flash point for 1,1,1,2-tetrafluoroethane (HFC 134a) and according to REACH Annex XI Section 2 testing is waived. HFC 134a is a gas at standard temperature and pressure, and therefore flash point is not relevant since it only applies to liquids, being the temperature a liquid generates a flammable vapour at standard pressure. Further, according to the REACH guidance on information requirements and chemical safety assessment (chapter R7.A), as the substance is a gas, the flash point study does not need to be conducted.