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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

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relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
GLP compliance:
yes (incl. QA statement)
Key result
Relative self-ignition temperature:
> 202 °C
Remarks on result:
at atm. press. of ca.1013.0 hPa

As the pressure is not explicitly stated in the study report, normal pressure is assumed.

No exothermic reaction took place until the melting point of 202°C was reached.

The test item is not auto-flammable.
Executive summary:

The determination of the relative self-ignition temperature of the test item was performed according to the EEC Directive 92/69, Part A, Methods for the determination of physico¬chemical properties, A.16 "Relative self-ignition temperature for solids", EEC Publication No. L383, December 1992.

Using a linear increase in temperature of about 0.5 °C/min, test item showed no relevant exothermic reaction. The test substance has a melting point at 202°C. As the above mentioned guideline only applies to solids, the temperature range between 202°C and 400°C is not relevant for the present test item.

Description of key information

Autoflammability:  not auto-flammable

Key value for chemical safety assessment

Additional information

No exothermic reaction took place until the melting point of 202°C was reached. Since the test substance has a melting point of 202 °C, the temperature range between 202 °C and 400 °C is not relevant for the substance.