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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2021-08-02 to 2021-08-04
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)
GLP compliance:
yes (incl. QA statement)
Key result
Remarks on result:
no self ignition observed under the test conditions

2.89 g of the test item were filled into the stainless steel wire mesh cube and placed in the oven at 29 °C.


The test item showed a small endothermal effect in the temperature range of 40 – 50 °C, which correlates to the melting of the test item (melting point at 44.9 °C according to OECD 102).


Starting at approximately 140 °C the temperature of the test item was continuously slightly above the oven temperature. This observation was probably due to the fact that, because of the melting of the test item, the temperature sensor was in the empty wire mesh cube.


Additionally, a non-significant exothermal effect was observed in the temperature range of 240 – 260 °C. No further endothermal or exothermal effects were observed up to the final test temperature of 402 °C.


After the test the wire mesh cube was empty.

Conclusions:
The test item showed no self-ignition temperature up to the maximum test temperature of 402 °C, according to the testing guideline for auto-flammability (solids - determination of relative self-ignition temperature) in the sense of the European Commission Regulation (EC) No. 440/2008, method A.16.
Executive summary:

The test item showed no self-ignition temperature up to the maximum test temperature of 402 °C, according to the testing guideline for auto-flammability (solids - determination of relative self-ignition temperature) in the sense of the European Commission Regulation (EC) No. 440/2008, method A.16.

Description of key information

The test item showed no self-ignition temperature up to the maximum test temperature of 402 °C, according to the testing guideline for auto-flammability (solids - determination of relative self-ignition temperature) in the sense of the European Commission Regulation (EC) No. 440/2008, method A.16.

Key value for chemical safety assessment

Additional information