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Auto flammability

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auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26 to 28 April 2016
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
GLP compliance:
Key result
Auto-ignition temperature:
235 °C
Atm. press.:
986.6 hPa


Preliminary Test

An approximate value of the ignition temperature of the test item was first determined by a preliminary test. The results of the preliminary test are summarized in the table below. An “ignition” is indicated as “+” and “no ignition” as “-“. In the preliminary test, an ignition was observed at 252 °C.

Results of the preliminary test

Temperature / °C




Ignition / +/-




Atmospheric pressure: 986.6 hPa

Main Test

The lowest temperatures at which an ignition occurred in the main tests are given in table below. Based on results of the main test series, the lowest auto-ignition temperature was 238 °C.

Lowest temperatures at which an ignition occurred

Main test series

Lowest temperatures of an ignition

Highest temperatures without an ignition

Atmospheric Pressure


238 °C

237 °C

986.6 hPa


239 °C

236 °C

986.6 hPa


241 °C

238 °C

1002.1 – 1003.1 hPa

Regulation EC No. 440/2008 and DIN 51794: The auto-ignition temperature rounded down to the nearest multiple of 5 °C was determined as 235 °C.

Final Results

The test item has an auto-ignition temperature of 235 °C according to the Regulation EC No. 440/2008 Method A.15. Auto-Ignition Temperature (Liquids and Gases) and DIN 51794 (2003): Determination of Ignition Temperature.

An auto-ignition temperature value of 235 °C (at 986.6 hPa) was determined for the test substance according to E.U. Method A.15.

Description of key information

Auto-ignition temperature: 235 °C at 986.6 hPa (EU Method A.15)

Key value for chemical safety assessment

Additional information