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Physical & Chemical properties

Auto flammability

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Description of key information

The auto-ignition temperature of dimethyl sulphate is 450 °C at 1013 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
450 °C

Additional information

A literature review was conducted. In a weight of evidence approach the literature values and the value from a BASF study were evaluated. The BASF study and the GESTIS Substance database reports the auto-ignition temperature to be 450 °C at ambient pressure.

The IPCS International Programme on Chemical Safety and the Knovel - A Properties database reports the auto-ignition temperature to be 470°C at 1013 hPa. Four independent sources report the auto-ignition temperature in the same range. Thus, in a worst-case view an auto-ignition temperature of 450 °C at 1013 hPa was regarded to be reliable for dimethyl sulphate.