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Diss Factsheets

Physical & Chemical properties

Flammability

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Administrative data

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Endpoint:
flammable 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:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.10 (Flammability (Solids))
GLP compliance:
yes
Test procedure:
burning time (test type not further specified)
Remarks:
or specified in description of method (migrated information)
Burning time:
> 120 s
Interpretation of results:
non flammable
Remarks:
Migrated information
Conclusions:
The test item is determined to be not highly flammable as it failed to ignite in the preliminary screening test.
Executive summary:

Test Guidance

EC Method A10

Method and materials

The flammability (solids) was determined by measuring the burning rate of test item prepared as a pile of set dimensions. In a preliminary screening test a mould (250 mm long x 20 mm wide x 10 mm high) was loosely filled with test item (previously ground). After removal of the mould a flame was applied to one end of the pile for 2 minutes.

Result

The test item is determined to be not highly flammable as it failed to ignite in the preliminary screening test. As the test item did not ignite and propogate combustion (burning with a flame or smouldering) along 200 mm within 4 minutes no further testing is required.

Endpoint:
flammable gases
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is a solid
Endpoint:
pyrophoric liquids
Data waiving:
study technically not feasible
Justification for data waiving:
the study does not need to be conducted because the substance is a solid
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 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:
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

Description of key information

Aerosols

Consideration of the test item as an aerosol is not required because the substance is not supplied in aerosol dispensers.

 

Flammable gases (including chemically unstable gases)

Consideration of the test item as a flammable gas is not required because the substance is a solid.

 

Flammable solids

The test item is determined to be not highly flammable as it failed to ignite in the preliminary screening test (EU Method A.10).

Pyrophoric liquids

The study does not need to be conducted because the substance is a solid.

 

Pyrophoric solids

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.

 

Self-heating substances

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.

Substances which in contact with water emit flammable gases

The study does not need to be conducted because the substance has a known solubility in water and forms a stable mixture.

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

Since the test material does not ignite in contact with air or water, and the tested sample did not contain impurities with a lower boiling point than the main component, no further investigation of flammability is required.

Justification for classification or non-classification

The low melting point test material was determined to be not highly flammable (EU Method A.10) and the flash point of the substance was determined to be 179°C. Consequently, and in accordance with CLP Regulation (EC) No 1272/2008, the substance is not classified as a flammable solid or a flammable liquid.