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Physical & Chemical properties

Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26 September 2018 - 28 September 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Qualifier:
according to guideline
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Key result
Auto-ignition temperature:
390 °C
Atm. press.:
>= 1 008 - <= 1 029 hPa

Table 1: Results of determination of auto-ignition temperature

Stage of determination

Auto-ignition temperature[°C]

V
[quantity of drops]

Corresponding

delay time [s]

Ignition temperatureposition for main determination (T2)

399

5

9

The lowest value from first series of tests (T4)

392

7

7

The lowest value from main determination (T5)

393

9

8

The lowest value from first repeating (T6)

391

7

9

The lowest experimental value of ignition temperature

391

7

9

Auto-ignition temperatureaccording to DIN 51794:2003-05

390

-

-

Comments: atmospheric pressure: 1008 - 1029 hPa.

Conclusions:
The auto flammability of the test item is 390ºC according to EU method A.15 criteria.


Executive summary:

The determination of the auto flammability of the test item was performed according to EU Method A.15 (GLP study). About 200 mL of sample are introduce into an opened Erlenmeyer’s flask. Series of ignition trials were performed by changing the temperature of the chamber walls and amount of a sample, and searching for the lowest temperature in which an ignition appears. The auto flammability of the test item was determined to be 390ºC with atmospheric pressure ranging from 1008 to 1029 hPa.


Description of key information

Key study. Test method according to EU Method A.15, GLP study. The auto flammability of the test item is 390ºC at atmospheric pressure.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
390 °C

Additional information

Key study: The determination of the auto flammability of the test item was performed according to EU Method A.15 (GLP study). About 200 mLof sample are introduce into an opened Erlenmeyer’s flask. Series of ignition trials were performed by changing the temperature of the chamber walls and amount of a sample, and searching for the lowest temperature in which an ignition appears. The auto flammability of the test item was determined to be 390ºC with atmospheric pressure ranging from 1008 to 1029 hPa.