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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:
2008-07-14
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.10 (Flammability (Solids))
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
Hessisches Ministerium für Umwelt, ländlichen Raum und Verbraucherschutz, Wiesbaden, Germany
Key result
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
Remarks:
the test item melted at contact with flame

The substance could not be ignited by flame during the preliminary test.

A main test was therefore not necessary.

Interpretation of results:
not classified based on GHS criteria
Remarks:
Migrated information
Conclusions:
The test item is not a highly flammable solid in the sense of the European Commission Regulation (EC) No. 440/2008, Method A.10. and is not a flammable solid in the sense of the classification criteria as laid down in Regulation (EC) No. 1272/2008 (CLP Regulation).
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 experience in production or handling shows that the substance does not react with water, e.g. the substance is manufactured with water or washed with water
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:
other:
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING
The classification procedure for self-heating substances or mixtures need not be applied if the results of a screening test can be adequately correlated with the classification test and an appropriate safety margin is applied. An example of screening tests is the Grewer Oven test (VDI guideline 2263, part 1, 1990, Test methods for the Determination of the Safety Characteristics of Dusts).
The Grewer Oven test performed with the substance results in no exothermic effects up to 430 °C (report no. 2008-0150-DGS). Therefore, the substance is not self-heating on the basis of the screening test and the classification test N.4 in Part III, subsection 33.3.1.6 of the UN-MTC, need not be performed.
Reason / purpose for cross-reference:
data waiving: supporting information

Description of key information

non flammable

not pyrophoric

no flammability on contact with water

not self-heating

Key value for chemical safety assessment

Flammability:
not classified

Additional information

No ignition in the preliminary burning rate test (EU Method A.10).

Based on experience in handling and use pyrophoricity and flammability on contact with water are not to be expected.

The substance showed no self-heating behaviour (no exothermic effects up to 430 °C) in a Grewer Oven test.

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, and are therefore conclusive but not sufficient for classification:

No ignition in the preliminary burning rate test (EU Method A.10).

Based on experience in handling and use pyrophoricity and flammability on contact with water are not to be expected.

The substance showed no self-heating behaviour (no exothermic effects up to 430 °C) in a Grewer Oven test.