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Physical & Chemical properties

Flammability

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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
Test material information:
Composition 1
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
Test material information:
Composition 1
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:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reference:
Composition 0
Qualifier:
according to
Guideline:
EU Method A.10 (Flammability (Solids))
Version / remarks:
2008
GLP compliance:
yes
Test material information:
Composition 1
Specific details on test material used for the study:
TAOBN
Purity: 99.9%
Test procedure:
burning rate test: preliminary screening test
Burning time:
< 45 s
Key result
Test procedure:
burning rate test over 100 mm length
Burning time:
19.32 s

Preliminary Test Method

The substance burned along the powder train in less than 45 seconds.

Burning Rate Test

The burning rate of TAOBN, the time it took to burn along 100mm of the powder train, was 19.32 seconds.

Interpretation of results:
Category 2 (flammable solids) based on GHS criteria
Conclusions:
TAOBN is a flammable solid. The burning rate of TAOBN, the time it took to burn along 100mm of the powder train, was 19.32 seconds (5.2 mm/s).

Description of key information

Key value for chemical safety assessment

Flammability:
flammable

Additional information

Flammable solids: TAOBN is a flammable solid. The burning rate of TAOBN, the time it took to burn along 100mm of the powder train, was 19.32 seconds (5.2 mm/s).

The study for flammability (gases) is technically not feasible because the test item is a solid.

The study for flammability (contact with water) 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.

The study for flammability (pyrophoric) 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.

Justification for classification or non-classification