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Physical & Chemical properties

Explosiveness

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Link to relevant study record(s)

Description of key information

Data on explosive properties are not available. According to REACH Annex VII, 7.11, column 2, the study does not need to be conducted as the substance contains chemical groups associated with explosive properties which include oxygen but the calculated oxygen balance is less than –200.The calculated oxygen balance is  -253. In additional tests to determine physico-chemical properties (flash point) the substance was heated up to 75°C and remained stable. 

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

Justification for classification or non-classification

According to Directive 67/548 EEC as well as GHS Regulation EC No 1272/2008, styrene oxide does not need to be classified with regard to this endpoint and labelling is not required.