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Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
20 November 2012 - 14 January 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Relative self-ignition temperature:
> 400 °C
Remarks on result:
other: The test material has been determined not to have a self-ignition temperature below 400 °C.

The test material was a yellow powder. Whilst heating the test material, no relevant exothermic reaction/self-heating of the sample was observed. On completion of the test, the test material was a light brown powder.

Conclusions:
The test material has been determined not to have a self-ignition temperature below 400 °C.
Executive summary:

The relative self-ignition temperature of the test material was investigated in accordance with the standardised guideline EU Method A.16.

A wire mesh cube was completely filled with the test material and placed in the centre of an oven at room temperature. A thermocouple was placed in the centre of the sample and another in the oven. The oven temperature was increased from ambient to 400 °C at a rate of 0.5 °C/min.

Whilst heating, the test material showed no significant temperature rise above the oven temperature.

The test material has been determined not to have a self-ignition temperature below 400 °C.

Description of key information

The test material has been determined not to have a self-ignition temperature below 400 °C.

Key value for chemical safety assessment

Additional information

The key study was conducted in line with GLP and the standardised guideline EU Method A.16. It was assigned a reliability score of 1 in accordance with the criteria detailed by Klimisch (1997).

A wire mesh cube was completely filled with the test material and placed in the centre of an oven at room temperature. A thermocouple was placed in the centre of the sample and another in the oven. The oven temperature was increased from ambient to 400 °C at a rate of 0.5 °C/min.

Whilst heating, the test material showed no significant temperature rise above the oven temperature.

The test material has been determined not to have a self-ignition temperature below 400 °C.