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Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: Recommendations on the Transport of Dangerous Goods: Manual of Tests and Criteria: UN Test N.4
Version / remarks:
2015 / The preliminary screening test for self-heating substances according to Recommendations on the TRANSPORT OF DANGEROUS GOODS: Manual of Tests and Criteria: UN Test N.4 was performed, since this is recommended for evaluation and classification.
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Key result
Remarks on result:
no self ignition observed under the test conditions

In the Bowes-Cameron-Cage test with a 1 L wire basket at 140 °C no spontaneous ignition occurred and no exothermic effect of the test item was observed. The temperature increase was below the threshold of 60 °C within 24 hours. 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 item was observed.

 

See attached document "S-600 - SELF-HEATING TEMPERATURE_Temperature vs Time.pdf".

Conclusions:
Based on the negative result obtained in the Bowes-Cameron-Cage test with a 1 L wire basket at 140°C, the test item has not to be classified as self-heating substance according to CLP Regulation EC 1272/2008.

Description of key information

no self-heating substance (UN Test N.4).

Key value for chemical safety assessment

Additional information

The test item has not to be classified as self-heating substance according to CLP Regulation EC 1272/2008.

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