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Physical & Chemical properties

Flammability

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Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Reference:
Composition 0
Qualifier:
according to
Guideline:
UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
Deviations:
no
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Test material information:
Composition 1
Specific details on test material used for the study:
Batch: UN100EK
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 substance in its delivery state was measured. The test substance melted when approached by the ignition flame. The flame extinguished within the start segment.
Interpretation of results:
not classified based on GHS criteria
Conclusions:
Bromhydrin-valerat is classified as a not readily combustible solid when tested according to UNMTC Procedure N.1.
Executive summary:

The test was performed as stipulated in UN test procedure ‘Recommendations on the Transport of Dangerous Goods - Manual of Tests and Criteria’ (UN-MTC), Part III, sub-section 33.2.1.4.1, Test N.1 ‘Test method for readily combustible solids’. The substance was formed into a powder train about 250 mm long by 20 mm wide by 10 mm high on a non-combustible, non-porous and low heat-conducting base plate. 30 – 40 mm beyond the 100 mm timing zone, 1 mL of a wetting solution was added to the pile. A hot flame from a gas burner was applied to one end of the powder train until the powder ignites or for a maximum of 2 minutes. A preliminary screening test was performed to determine if propagation by burning with flame or smoldering occurs without wetted zone. The substance in its delivery state was measured. The test substance melted when approached by the ignition flame. The flame extinguished within the start segment. No further testing was required. Bromhydrin-valerat is classified as a not readily combustible solid when tested according to UNMTC Procedure N.1.

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
Reference:
Composition 0
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

Description of key information

Flammability: Bromhydrin-valerat melted when approached by the ignition flame. The flame extinguished within the start segment. No further testing was required.

Self-heating properties: The study does not need to be conducted because Bromhydrin-valerat is completely molten at 160 °C.

Pyrophoric properties: The substance did not deliver indications of pyrophoric properties during the realization of other tests. The determination according to UN-MTC Procedure N.2 is not necessary.

Contact with water: Experience in production or handling shows that bromhydrin-valerat does not react with water.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Justification for classification or non-classification

As a conclusion to the results listed above Bromhydrin-valerat does not have to be classified as flammable.