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Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
16 January 2017 to 01 February 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose:
reference to same study
Related information:
Composition 1
Reason / purpose:
reference to same study
Related information:
Composition 1
Reference:
Composition 0
Qualifier:
according to
Guideline:
other: UN no. ST/SG/AC.10/11/Rev.6: Test N.4: “Test Method for Self-heating Substances”
Version / remarks:
2015
Deviations:
no
GLP compliance:
yes
Test material information:
Composition 1
Key result
Remarks on result:
no self ignition observed under the test conditions

A negative result was obtained. No spontaneous ignition occurred and no exothermic effect of the test material was observed. It demonstrated that the test material is “not a self-heating substance”. According to the UN guideline, no further testing is required.

After the experiment, the consistency of the sample was unchanged, i.e. no reaction and/or decomposition of the test material was observed.

Conclusions:
Under the conditions of this study, the test material is not a self-heating substance.
Executive summary:

The self-heating temperature of the test material was investigated in accordance with the standardised guideline UN Test N.4 under GLP conditions.

The test material was exposed to air at 140 °C for 24 hours. A negative result was obtained. No spontaneous ignition occurred and no exothermic effect of the test material was observed.

Under the conditions of this study, the test material is not a self-heating substance.

Description of key information

The test material is not a self-heating substance.

Key value for chemical safety assessment

Additional information

The self-heating temperature of the test material was investigated in accordance with the standardised guideline UN Test N.4 under GLP conditions. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

The test material was exposed to air at 140 °C for 24 hours. A negative result was obtained. No spontaneous ignition occurred and no exothermic effect of the test material was observed.

Under the conditions of this study, the test material is not a self-heating substance.