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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:
2016-05-23 / 2016-06-06
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:
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
2003
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
Batch No.: CNAA053604
Storage conditions: Room temperature, in a closed container
Key result
Auto-ignition temperature:
465 °C
Atm. press.:
> 998.8 - < 1 007.2 hPa

Preliminary test:

The lowest temperature at which an ignition occurred was 483°C.

Main test:

Based on the results of the main test series, the lowest auto-ignition temperature was 468°C, see table

below.

 Main test series  Lowest temperatures of an ignition  Highest temperatures of an ignition  Atmospheric pressure
 1  468°C  465°C  998.8 - 1007.2 hPa
 2  476°C  474°C  998.8 hPa
 3  474°C  472°C

 998.8 hPa

 

Regulation EC No. 440/2008 and DIN 51794: The auto-ignition temperature rounded down to the nearest multiple of 5°C was determined as 465°C.

Conclusions:
The test item Reaction mass of N-butylphthalimide and N-sec-butylphthalimide and N-propylphthalimide has an auto-ignition temperature of 465 °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.
Executive summary:

The test item Reaction mass of N-butylphthalimide and N-sec-butylphthalimide and N-propylphthalimide has an auto-ignition temperature of 465 °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

The test item Reaction mass of N-butylphthalimide and N-sec-butylphthalimide and N-propylphthalimide has an auto-ignition temperature of 465 °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.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
465 °C

Additional information