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Physical & Chemical properties

Auto flammability

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Description of key information

According to the Guidance on Information Requirements and Chemical Safety Assessment, Chapter R.7a: Endpoint specific guidance, only gases classified as flammable according to the CLP Regulation have to be considered. Ozone is not classified as flammable gas.

Key value for chemical safety assessment

Additional information

Additionally, the study for auto-ignition is scientifically not necessary because ozone (O3) is not capable to undergo further reaction with oxygen (O2) which is a prerequisite for combustion.