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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:
2018-05-02
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Qualifier:
according to guideline
Guideline:
UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
GLP compliance:
no
Key result
Test procedure:
burning rate test over 100 mm length
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

After ignition of the pile on the "left end" only local burning and glowing with minor distribution of the decomposition front was observed.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item is not a flammable solid.
Executive summary:

After ignition of the pile on the "left end" only local burning and glowing with minor distribution of the decomposition front was observed. Based on this behavior at the N.1 test, the solid test item must not be classified as flammable solid according to the CLP-regulation.

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:
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 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

Description of key information

After ignition of the pile on the "left end" only local burning and glowing with minor distribution of the decomposition front was observed. Based on this behavior at the N.1 test, the solid test item must not be classified as flammable solid according to the CLP-regulation.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Justification for classification or non-classification