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Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-03-27 to 2017-04-11
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
other: UN Recommendation on the TRANSPORT OF DANGEROUS GOODS: Manual of Tests and Criteria, Rev. 6 (2015) and UN-Model_Regulations, Rev. 19 (2015), \/Dl 2263 Sheet 1, Grewer-Oven (1990)
Version / remarks:
2015
Deviations:
no
Qualifier:
according to
Guideline:
other: (EC) Regulation 1272/2008 Annex 1: 2.11
Version / remarks:
2008
Deviations:
no
GLP compliance:
yes (incl. certificate)
Key result
Relative self-ignition temperature:
> 130 °C
Remarks on result:
no self-ignition observed up to the melting point

In the investigation of self-ignition in the Grewer-Oven initially an endothermic process was observed for the pure test item and the test item in mixture with Kieselguhr in the temperature range of 100 -130 °C. This effect is attributed to the melting of the test item. Hence the pure test item flowed out of the wire basket before self-ignition could occur. The test item mixed with Kieselguhr showed a multi-stage self-ignition beginning at a temperature of 130 °C. This self-ignition led to a final temperature of approx. 610 °C.

Table 1: Results of the screening test for self-ignition in the Gewer-Oven

Experiment

Onset self ignition / °C

Maximum temperature / °C

Pure test item

----

----

Test item in mixture with Kieselguhr (1:1)

130

610

Conclusions:
The present study was conducted to determine the self-ignition temperature of m-Xylylenebismaleimide according to VDI 2263, sheet1 and with respect to the classification procedure of the UN Transport Regulation (Class 4, Division 4.2) and GHS or EC 1272/2008 (CLP Regulation) Annex 1: 2.11) in a Gewer Oven.
Due to melting of the substance between 100 and 130°C respectively, the substance is considered not to exhibit self-ignition.

Description of key information

- guideline study according to UN Recommendation on the TRANSPORT OF DANGEROUS GOODS: Manual of Tests and Criteria, Rev. 6 (2015) and UN-Model_Regulations, Rev. 19 (2015), \/Dl 2263 Sheet 1, Grewer-Oven (1990), no self-ignition of the test item

Key value for chemical safety assessment

Additional information

The present study was conducted to determine the self-ignition temperature of m-Xylylenebismaleimide according to VDI 2263, sheet1 and with respect to the classification procedure of the UN Transport Regulation (Class 4, Division 4.2) and GHS or EC 1272/2008 (CLP Regulation) Annex 1: 2.11) in a Gewer Oven. Due to melting of the substance between 100 and 130°C respectively, the substance is considered not to exhibit self-ignition.