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Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-12-14 to 2011-01-07
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
Non-GLP study.
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: DIN 51794 determination of ignition temperature
Deviations:
no
GLP compliance:
no
Key result
Auto-ignition temperature:
250 °C
Atm. press.:
101 325 Pa
Remarks on result:
other: Result of test is 250 +/- 10 °C

Please see attached background materials for a copy of the results table.

Conclusions:
The autoignition temperature of the substance was determined to be 250 °C ± 10 °C.
Executive summary:

The autoignition temperature of the substance was determined to be 250 °C ± 10 °C.

Description of key information

Autoignition temperature 250 ± 10 °C (EU method A15).  Entered value for CSA is 240°C to conservatively take in to account the error related to the measurement.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
240 °C

Additional information

The auto-ignition temperature of the test substance was determined according to guideline DIN 51794. At a temperature of 240

°C no ignition was observed. The lowest temperature giving a positive effect was 250 °C. Therefore, the auto-ignition temperature of the test substance was found to be 250 ± 10 °C. The +/- 10 °C refers to the reproducibility of the method as specified by the guideline.

According to the guidelines the lowest temperature giving a positive effect should be rounded down to the nearest multiple of 5 °C. However, since more temperatures in the range 240°C to 250°C were not tested a conservative value of 240°C has been chosen for

the purposes of the CSA even though no ignition was observed at 240°.

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