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Auto flammability

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auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
GLP compliance:
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Key result
Auto-ignition temperature:
366 °C
Atm. press.:
>= 1 008 - <= 1 021 hPa

Results in detail:

 test run no.

 lowest temperature

leading to autoignition (°C)

quantiy of sample (ml)   ignition delay time (sec)
 1 373  0.09  17 
 2  372 0.09  17 
 3  372 0.09   17

Autoignition temperature (corrected)*: 366 °C

* The corrected auto ignition temperature is calculated by subtracting 1.5% of the lowest experimentally observed auto ignition temperature (given in units of °C) in order to take into account all uncertainties (calibration, temperature measuring system, amount of substance, etc.). This value is then rounded to the next 1 K. Electrical and non-electrical equipment, which may be in contact with explosive mixtures of the test substance and air, has to be of a temperature class T2 or higher.

Description of key information

Auto-ignition temperature: 366 °C at 1008-1021 hPa

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
366 °C

Additional information