Registration Dossier

Physical & Chemical properties

Flammability

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Description of key information

not required (flammability limits in air: 0.7-6.1%)

Key value for chemical safety assessment

Additional information

According to REACH Regulation (Annex XI, 1.), a study does not need to be done if based on the available data the substance can be classified, labelled and/or the risk of the substance can be assessed. Alpha-methylstyrene is a liquid at room temperature. For liquids the primary value for ease of ignition is the flash point. Moreover, the experience in the use and testing for other REACH endpoints showed that the substance does not ignite spontaneously in air or react violently with water and therefore testing according to EC Methods A.12 and A.13 is therefore not scientifically necessary. Flammability limits in air have been reported in reliable, peer-reviewed sources

Justification for classification or non-classification