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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2015-11-03 to 2015-11-05
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:
other: DIN 51794 (2003): Determination of Ignition Temperature
Deviations:
no
GLP compliance:
no
Remarks:
The study was conducted under GLP equivalent conditions. The study was conducted under supervision of a quality assurance unit which had ensured e.g. instrumentation validation, reagent/materials certification, analyst certification and providing SOPs.
Key result
Auto-ignition temperature:
420 °C
Atm. press.:
1 008.3 - 1 010.5 hPa
Remarks on result:
other:

Preliminary test

The lowest temperature at which an ignition occurs was determined to be 424 °C at 1010.1 hPa.

 

Main test

The lowest ignition temperature was determined to be 422°C at 1008.3 hPa in the first test series, 421 °C 1008.3 hPa in the second test series and 424 °C at 1010.5 hPa. Thus, according to the guideline criteria the auto-ignition temperature rounded down to a whole multiple of 5 °C was determined to be 420 °C.

Conclusions:
The auto-ignition temperature was determined to be 420 °C at 1008.3 - 1010.5 hPa.
Executive summary:

A study was conducted according to Regulation (EC) No 440/2008 Part A.15 to determine the auto-ignition temperature of the test substance. In a preliminary test the approximately auto-ignition temperature were determined. For the main test three test series were conducted. The temperature determined in the preliminary test was used as starting point for the main test. The temperature was decreased by 1-2 K until no ignition was observed. According to criteria as laid down in DIN 51794 the auto ignition temperature is the lowest value out of three experiments rounded down to a whole multiple of 5 °C. Therefore the auto-ignition temperature was determined to be 420 °C at 1008.3 – 1010.5 hPa. All three values lay within a range of 20 K.

Description of key information

The auto-ignition temperature was determined to be 420 °C at 1008.3 - 1010.5 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
420 °C

Additional information

A study was conducted according to Regulation (EC) No 440/2008 Part A.15 to determine the auto-ignition temperature of the test substance. In three test series the lowest ignition temperature determined. The auto-ignition temperature was determined to be 420 °C at 1008.3 – 1010.5 hPa (lowest value out of three experiments rounded down to a whole multiple of 5). All three values lay within a range of 20 K and the validation criteria were fulfilled.