SDS Studio™Definition: The flash point is the lowest temperature at which a liquid gives off enough vapour to ignite in air, and it decides the CLP flammable liquid category.
Category 1 (H224): flash point below 23 °C and initial boiling point at or below 35 °C. Category 2 (H225): below 23 °C and boiling point above 35 °C. Category 3 (H226): 23 °C to 60 °C inclusive.
Liquids with a flash point above 35 °C that do not sustain combustion (for example in test L.2) need not be classified Category 3. The value appears in SDS section 9.