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Diss Factsheets

Physical & Chemical properties

Flammability

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Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
31. AUG 1998 - 04 SEP 1998
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.10 (Flammability (Solids))
Version / remarks:
version of SOP M/PKA/112/01
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Test procedure:
burning rate test: preliminary screening test
Remarks on result:
substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period

In the preliminary test it was found that the strand of the test substance did not ignite at 2 minutes exposure to the hot flame of a propane burner. The substance melted on heating.

The main experiment was not carried out because of the negative outcome of the preliminary test.

Interpretation of results:
other: EU GHS criteria not met
Conclusions:
It was found that the strand of the test substance did not ignite at 2 minutes exposure to the hot flame of a propane burner.
Executive summary:

The flammability of the test item was tested according to EU Method A.10 in a GLP study. It was found in the preliminary test, that the strand of the test substance did not ignite at 2 minutes exposure to the hot flame of a propane burner. The substance melted on heating. The test substance is not a readily combustible solid in the sense of Regulation (EC) No. 440/2008, Method A.10 and Regulation (EC) No. 1272/2008.

Endpoint:
substances / mixtures which in contact with water emit flammable gases
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the organic substance does not contain metals or metalloids and hence, the classification procedure does not need to be applied
Interpretation of results:
other: EU GHS criteria not met
Endpoint:
pyrophoric solids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and hence, the classification procedure does not need to be applied
other:
Interpretation of results:
other: EU GHS criteria not met
Endpoint:
self-heating substances / mixtures
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is completely molten at 160°C
Interpretation of results:
other: EU GHS criteria not met

Description of key information

Flammability:

The flammability of the test item was tested according to EU Method A.10 in a GLP study. It was found in the preliminary test, that the strand of the test substance did not ignite at 2 minutes exposure to the hot flame of a propane burner. The substance melted on heating. The test substance is not a readily combustible solid in the sense of Regulation (EC) No. 440/2008, Method A.10 and Regulation (EC) No. 1272/2008.

Flammability, contact with water:

The study is scientifically not necessary, because the organic substance does not contain metals or metalloids. Also the test material does not contain structural components associated with flammability on contact with water mentioned in the Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance, chapter R.7.1.10.3, page 123. Therefore, it can be concluded that the test material exhibit no risk for flammability on contact with water.

Flammability, pyrophoric solids:

The study is scientifically not necessary, because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and the test material does not contain structural components associated with pyrophoricity mentioned in the Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance, chapter R.7.1.10.3, page 123. Therefore, it can be concluded that the test material exhibit no risk for pyrophoricity.

Flammability, self-heating substances:

The study is scientifically not necessary, because the substance is completely molten at 160 °C.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Justification for classification or non-classification

The test substance could not be ignited with a flame during 2 minutes exposure to the hot flame of a propane burner in the preliminary test.

The main test is unnecessary, because no ignition was observed. The test substance is not a readily combustible solid in the sense of Regulation (EC) No. 440/2008, Method A.10 and Regulation (EC) No. 1272/2008.

Based on the physical state, the structural elements and the melting point the substance has neither to be classified as flammable in contact with air, nor as pyrophoric solid, nor as self-heating substance.