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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:
from 2017-09-01 to 2017-09-05
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Qualifier:
according to
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Key result
Auto-ignition temperature:
125 °C
Atm. press.:
1 013.25 hPa

Three replicate main tests were performed under atmospheric pressure.

The following lowest values were recorded:

Experiment Value (°C) Drops used
1 135 20
2 131 20
3 129 20

The lowest value of the auto-ignition temperature was 129 °C. This value was determined using 20 drops test item. The three lowest values of the main study lay within a range of 10 K as required for auto-ignition temperatures (below 300 °C). The auto-ignition temperature (result of determination) is the lowest value from the three experiments, rounded down to a whole multiple of 5 °C. Therefore, the auto-ignition temperature was determined to be 125 °C. The three lowest values of the main study lay within a range of 10 K as required for auto-ignition temperatures (below 300 °C). Thus, the validity criterion, which is demanded in the DIN standard, was fulfilled.

Conclusions:
The auto-ignition temperature of the test item was determined to be 125 °C at 1013.25 hPa.
Executive summary:

A study was performed according to Regulation (EC) No 440/2008, Method A.15 and DIN 51794 of May 2003 in order to determine the auto-ignition temperature of the test item. The lowest value of the auto-ignition temperature was 129 °C. This value was determined using 20 drops test item. The three lowest values of the main study lay within a range of 10 K as required for auto-ignition temperatures (below 300 °C). The auto-ignition temperature (result of determination) is the lowest value from the three experiments, rounded down to a whole multiple of 5 °C. Therefore, the auto-ignition temperature was determined to be 125 °C.

Description of key information

The auto-ignition temperature of the test item was determined to be 125 °C at 1013.25 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
125 °C

Additional information

A study was performed according to Regulation (EC) No 440/2008, Method A.15 and DIN 51794 of May 2003 in order to determine the auto-ignition temperature of the test item. The lowest value of the auto-ignition temperature was 129 °C. This value was determined using 20 drops test item. The three lowest values of the main study lay within a range of 10 K as required for auto-ignition temperatures (below 300 °C). The auto-ignition temperature (result of determination) is the lowest value from the three experiments, rounded down to a whole multiple of 5 °C. Therefore, the auto-ignition temperature was determined to be 125 °C at 1013.25 hPa (4.12-1).