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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:
27-Nov-2015
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))
Qualifier:
according to guideline
Guideline:
other: DIN 51794 (2003): Determination of Ignition Temperature
Qualifier:
according to guideline
Guideline:
other: DIN EN 14522 (2005): Determination of the Ignition Temperature of gases and liquids
GLP compliance:
no
Key result
Auto-ignition temperature:
395 °C
Atm. press.:
1 009.6 hPa

Results

Preliminary test

An approximate value of the ignition temperature of the test item was first determined in a preliminary test. Results are given in the table below. An “ignition” is indicated by + and “no ignition” by -. Five drops were added into the Erlenmeyer flask at each temperature.

 

Results of the preliminary test 

Temperature / ° C

Ignition / + / -

180

-

227

-

250

-

273

-

269

-

323

-

345

-

369

-

392

-

400

-

421

+

 

Atmospheric pressure: 1008.4 hPa

In the preliminary test, an ignition occurred was 421 °C.

 

Main test

The lowest temperatures at which an ignition occurred in the main tests are given in the following table.

Results of third test series

Main test series

Lowest temperatures of an ignition

Highest temperatures without an ignition

Atmospheric Pressure

1

402 °C

400 °C

1016.5 hPa

2

402 °C

401 °C

1016.5 hPa

3

398 °C

395 °C

1009.6 hPa

 

Based on the results of the main test series, the lowest auto-ignition temperature rounded down to the nearest multiple of 5 °C was determined as 395 °C.

 

Final results

The test item has an auto-ignition temperature of 395 °C according to Regulation EC No. 440/2008 Method A.15 Auto-Ignition Temperature (Liquids and Gases) and DIN 51794 (2003): Determination of Ignition Temperature.

Conclusions:
An auto-ignition temperature value of 395 °C (at 1009.6 hPa) was determined for the test item according to E.U. Method A.15.

Description of key information

Auto-ignition temperature: 395 °C at 1009.6 hPa (EU Method A.15)

Key value for chemical safety assessment

Additional information