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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Flash point

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Administrative data

Link to relevant study record(s)

Description of key information

Flash point (phenyl silsesquioxanes): 130°C (closed-cup method)

Key value for chemical safety assessment

Flash point at 101 325 Pa:
130 °C

Additional information

A measured flash point of 130°C was determined for the substance in accordance with a relevant test method. Although full details are not available, the result is considered to be reliable.

A flash point of 130°C and a measured boiling point of 322°C, indicate that the substance should not be classified as a flammable liquid according to the criteria of EC Regulation 1272/2008.