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Auto flammability

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Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experiment starting date - 19 June 2003; Experiment end date - 20 June 2003; Study completion date - 09 July 2003.
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:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
Identity: FAT 40812/A
Batch: WP 8/03
Purity: approx. 75 %
Appearance: Solid, dark red-brownish powder
Expiration date: 23 April 2010
Storage: At room temperature at about 20 °C
Relative self-ignition temperature:
342 °C
Remarks on result:
preliminary test
Conclusions:
The auto-flammability temperature of the test substance is 342 °C.
Executive summary:

The determination of the relative self-ignition temperature of the test item was performed according to the EEC Directive 92/69, Part A, Methods for the determination of physico­ chemical properties, A.16 "Relative self-ignition temperature for solids", EEC Publication No. L383, December 1992. Applying a linear increase in temperature of about 0.5 °C/min, FAT 40812/A showed an exothermic reaction starting at about 350 °C. A maximum temperature of 505.9 °C was measured in the sample cube during the exothermic reaction. At the end of the measurement, the test item was carbonized showing a light greyish surface. FAT 40812/A shows a relative self-ignition temperature of about 342 °C. In conclusion, FAT 40812/A is auto-flammable under the conditions of the test.

Description of key information

The determination of the relative self-ignition temperature of the test item was performed according to the EEC Directive 92/69, Part A, Methods for the determination of physico­ chemical properties, A.16 "Relative self-ignition temperature for solids", EEC Publication No. L383, December 1992. Applying a linear increase in temperature of about 0.5°C/min, FAT 40812/A showed an exothermic reaction starting at about 350 °C. A maximum temperature of 505.9 °C was measured in the sample cube during the exothermic reaction. At the end  of  the measurement, the test item was carbonized showing a light greyish surface. FAT 40812/A shows a relative self-ignition temperature of about 342 °C. In conclusion, FAT 40812/A is auto-flammable under the conditions of the test.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
342 °C

Additional information