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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Description of key information

melting/ freezing point

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-31 °C

Additional information

Based on the published handbook and QSAR estimated data summarised here, styrene is a liquid substance with reported melting/freezing point of <-200C. Therefore, in accordance with column 2 of Annex VII of REACH regulation, testing for this property needs not to be conducted.

The reported in international peer reviewed data sources melting/freezing point value for styrene of -31oC is also supported by the QSAR calculations.