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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:
July 25, 2019 - August 08, 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
The study was conducted according to an internationally recognised method. The substance is considered to be adequately characterised. Therefore full validation applies.
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
2008
Deviations:
no
Qualifier:
equivalent or similar to
Guideline:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
no
Key result
Auto-ignition temperature:
265 °C
Atm. press.:
>= 1 003.3 - <= 1 007.2 hPa

Preliminary test

The lowest auto-ignition temperature of the test item was determined to be 277 °C in the preliminary test.

Main test

The following table show the results of the main tests.

Main test series

Auto-ignition temperature / °C

Time lag / s

1stmain test (5 K)

272

50

1stmain test (2 K)

271

50

2ndmain test (2 K)

266

60

3rdmain test (2 K)

271

60

The lowest auto-ignition temperature of the test item was determined to be 266 °Cin the main test. Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5, giving a value of 265 °C.

Conclusions:
The auto-ignition temperature of the test item was 265 °C.
Executive summary:

The study was performed in order to determine the auto-ignition temperature of test item according to EU A.15 guideline.The lowest auto-ignition temperature of the test item was determined to be 266°C in the main test.

The three lowest results of the tests with 2 K steps were within a range of less than 10K. Therefore, the results were considered as valid.

Due to safety reasons and according to the guidelines the lowest measured temperature at which an ignition was observed was rounded to the next lower number divisible by 5, giving a value of 265 °C.

Description of key information

The auto-ignition temperature of the test item according to the auto-ignition test conditions in the sense of the European Commission Regulation (EC) No. 440/2008, Method A.15. was 265 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
265 °C

Additional information

A fully reliable experimental study, conducted according to EU A.15 guideline is available.

It is considered as a key study, and the result is retained as key data.

This parameter is not relevant for classification, however the information is useful regarding process safety and potential additional fire hazard.