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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The flashpoint Temperature of MDI mixed isomers is 203.5°C (Corrected due to barometric pressure) following the Closed Cup method (DEKRA, 2019).

Key value for chemical safety assessment

Flash point at 101 325 Pa:
203.5 °C

Additional information

An experimental flashpoint value is determined for MDI mixed isomers following EU method A.9 (closed cup). The flashpoint was determined to be 203.5 degrees Celsius.