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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:
2014-11-20 to 2014-11-20
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reference:
Composition 0
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)
Version / remarks:
2003
GLP compliance:
no
Test material information:
Composition 1
Key result
Auto-ignition temperature:
445 °C
Atm. press.:
1 014.4 hPa

Results of preliminary test :

 

Preliminary test

Temperature /°C

387

402

420

440

472

481

Ignition / +/-

-

-

-

-

-

+

 

Atmospheric pressure: 1014.3 hPa

The lowest temperature at which ignition occurred was 481°C.

Main test results :

According to observations in the main test series, the auto-ignition temperature rounded down with an accuracy of 5°C was determined to be 445°C

Main test series

Lowest temperatures of an ignition

Highest temperatures without an ignition

Atmospheric Pressure

1

448°C

447°C

1014.4 hPa

2

450°C

449°C

1014.4 hPa

3

451°C

450°C

1014.4 hPa

According to DIN EN 13463 -1 the test item has to be assigned to temperature class 2 according to DIN EN 13463 -1. The auto-ignition temperature for liquids is not directly used for classification and labelling according to regulation (EC) 1272/2008, but can be used in the chemical safety assessment in considering risks associated with processing the substance. (ECHA Guidance on information requirements and chemical assessment , chapter R7A: endpoint specific guidance, May 2008)

Conclusions:
The test item has an auto-ignition temperature of 445 °C.
Executive summary:

The test item has an auto-ignition temperature of 445 °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.

Description of key information

Auto-ignition temperature: 445 °C at atmospheric pressure (1014.4 hPa).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
445 °C

Additional information

The test item has an auto-ignition temperature of 445 °C at atmospheric pressure (1014.4 hPa) 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.