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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

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Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012-10-01 to 2012-12-06
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))
Deviations:
no
Principles of method if other than guideline:
Atmospheric pressure was not recorded during the study due to instrumental malfunction. The value was corrected using the highest and lowest historical atmospheric pressures (95.79 and 103.93 kPa).
GLP compliance:
yes
Auto-ignition temperature:
350 °C
Atm. press.:
103.93 kPa
Remarks on result:
other: The value was corrected using the highest and lowest historical atmospheric pressures (95.79 and 103.93 kPa).

See the attached document for the table of results.

Conclusions:
The test material has an auto-ignition temperature of 350±5 °C
Executive summary:

Test Guidance

EC Method A15

Method and materials

The test flask was heated in a flask heater. Aliquots of test item were dropped intothe flask, which was observed for signs of ignotion over a 300 second period. This procedure was repeated varying sample size, as neccessary, until the lowest temperature at which ignition, if any, occurred wuthin 300 seconds of insertion, was determined.

Atmospheric pressure was not recorded during the study due to instrumental malfunction. The value was corrected using the highest and lowest historical atmospheric pressures (95.79 and 103.93 kPa).

Result

The test material has an auto-ignition temperature of 350±5 °C

 

Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012-10-01 to 2012-12-06
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study was performed according to EC guidelines
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Deviations:
no
GLP compliance:
yes
Relative self-ignition temperature:
> 58 °C
Remarks on result:
other:
Remarks:
at atm. press. of 103.93 kPa
Conclusions:
The test material does not have a relative self-ignition temperature below its melting temperature.
Executive summary:

Test Guidance

EC Method A16

Method and materials

The test flask was heated in a fine mesh stainless steel cube in the middle of an oven. The oven temperature was programmed to increase from ambient to 68°C (10°C above the melting temperature) at a rate of 0.5°C/min. The temperature.time curves relating to the centre of the sample were recorded.

Result

The test material does not have a relative self-ignition temperature below its melting temperature.

 

Description of key information

Liquid: The test material has an auto-ignition temperature of 350 ± 5 °C
Solid: The test material does not have a relative self-ignition temperature below its melting temperature.


Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
350 °C

Additional information

Liquid: The test material has an auto-ignition temperature of 350 ± 5 °C

Solid: The test material does not have a relative self-ignition temperature below its melting temperature.