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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:
19 Sep 2011
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
EU Method A.10 (Flammability (Solids))
GLP compliance:
yes (incl. QA statement)
Test procedure:
burning time (test type not further specified)
Remarks:
or specified in description of method (migrated information)
Burning time:
> 240 s
Remarks on result:
other: preliminary test

Preliminary screening test:

Rate of burning (over 200 mm): N/A

From the preliminary screening test the sample was seen to burn in a time > 4 minutes and therefore no further testing is required.

Initially the sample melted then ignited and propagated approximately 3 cm after 4 minutes, therefore the sample can be confirmed as not highly flammable.

Interpretation of results:
non flammable
Remarks:
Migrated information
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 substance is known to be soluble in water to form a stable mixture
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
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

Description of key information

non flammable
no pyrophoricity
no flammability on contact with water

not self-heating

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

The substance is non-flammable as determined in the test according to EU Method A.10. Based on experience in handling and use and the chemical structure, pyrophoricity and flammability on contact with water are not to be expected. The substance is not self-heating, because it is a solid completely molten at 160 °C.

Justification for classification or non-classification

The available data on flammability of the test substance do not meet the criteria for classification according to Regulation (EC) 1272/2008 or Directive 67/548/EEC and are therefore conclusive but not sufficient for classification:

No propagation of burning in a test according to EU method A.10.

Based on the chemical structure and experience in handling and use, pyrophoricity and flammability on contact with water are not expected.

Based on the fact that the substance is a solid completely molten at 160 °C, it is not self-heating.