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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:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
23/04/2014 to 26/05/2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Deviations:
not specified
GLP compliance:
yes
Specific details on test material used for the study:
No further details specified in the study reportl.
Key result
Relative self-ignition temperature:
> 400 °C
Remarks on result:
no self ignition observed under the test conditions
Conclusions:
No sharp temperature rise was detected in the sample. Self ignition temperature is > 400 deg C.
Executive summary:

The self ignition temperature for solids is performed according to procedure PEBPL/MUNLAB/25 (guideline EEC A16).

The cube is filled with the substance to be tested and is tapped gently, adding more of the substance until the cube is completely full. The cube is then suspended in the centre of the oven at room temperature.

One thermocouple is placed at the centre of the cube and the other between the cube and the oven wall to record the oven temperature.

The temperatures of the oven and sample are continuously recorded while the temperature of the oven is increased to 400 °C, or to the melting point if lower, at a rate of 0,5 °C/min. If the substance ignites the sample thermocouple will show a very sharp temperature rise above the oven temperature.

No sharp temperature rise was detected in the sample.  Self ignition temperature is > 400 deg C.

Description of key information

No sharp temperature rise was detected in the sample.  Self ignition temperature is > 400 deg C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
400 °C

Additional information

The self ignition temperature for solids is performed according to procedure PEBPL/MUNLAB/25 (guideline EEC A16).

The cube is filled with the substance to be tested and is tapped gently, adding more of the substance until the cube is completely full. The cube is then suspended in the centre of the oven at room temperature.

One thermocouple is placed at the centre of the cube and the other between the cube and the oven wall to record the oven temperature.

The temperatures of the oven and sample are continuously recorded while the temperature of the oven is increased to 400 °C, or to the melting point if lower, at a rate of 0,5 °C/min. If the substance ignites the sample thermocouple will show a very sharp temperature rise above the oven temperature.

No sharp temperature rise was detected in the sample.  Self ignition temperature is > 400 deg C.