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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:
2019-01-16 to 2019-01-31
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
Version / remarks:
UN Manual of tests and criteria, rev.6, 2015
Deviations:
no
GLP compliance:
yes (incl. QA statement)
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

 Preliminary test

The test item could not be ignited with a flame. The performance of the main test was not necessary.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item was not a readily combustible solid in the sense of UN Manual of Tests and Criteria, Method N.1.
The test item was not a flammable solid according to chapter 2.7 of the GHS (CLP) regulations.
Executive summary:

The submission substance was tested for classification requirements regarding flammable solids in a reliable and valid test performed compliant with GLP according to the UN Manual of tests and criteria, rev.6 (2015), Test N.1 (Test method for readily combustible solids).

In the preliminary test the test item could not be ignited with a flame. Accordingly, the performance of the main test was not necessary.

In consequence, the test item was determined to be not a readily combustible solid in the sense of UN Manual of Tests and Criteria, Method N.1.

The test item was determined to be not a flammable solid according to chapter 2.7 [1] of the GHS (CLP) regulations.

[1 ]Chapter 2.7 of the UN Globally harmonised system of classification and labelling of chemicals (GHS), 7th revised edition, 2017 (UN GHS) and also chapter 2.7 in the CLP regulation 1272/2008 (EU GHS).

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
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:
Reason / purpose for cross-reference:
assessment report

Description of key information

The test item was not a readily combustible solid in the sense of UN Manual of Tests and Criteria, Method N.1.

The test item was not a flammable solid according to chapter 2.7 of the GHS (CLP) regulations.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

See below

Justification for classification or non-classification

The submission substance was tested for classification requirements regarding flammable solids in a reliable and valid test performed compliant with GLP according to the UN Manual of tests and criteria, rev.6 (2015), Test N.1 (Test method for readily combustible solids).

In the preliminary test the test item could not be ignited with a flame. Accordingly, the performance of the main test was not necessary.

In consequence, the test item was determined to be not a readily combustible solid in the sense of UN Manual of Tests and Criteria, Method N.1.

The test item was determined to be not a flammable solid according to chapter 2.7 [1] of the GHS (CLP) regulations.

Experience from the handling and use of the substance allows to exclude reaction with water to emit flammable gases (according to CLP Regulation, Annex I, part 2, section 2.12.4).

Experience from the handling and use of the substance allows to exclude pyrophoric properties (according to CLP Regulation, Annex 1, Part 2, section 2.10.4.1).

The submission substance has no self-heating properties according to a reliable study performed according to UN test N.4: based on the results, the test item was neither to be classified in division 4.2 (self-heating substances) in the sense of UN Manual of Test and Criteria, Method N.4, nor be classified as “self-heating substance” according to chapter 2.11 of the GHS (CLP) regulations.

[1 ]Chapter 2.7 of the UN Globally harmonised system of classification and labelling of chemicals (GHS), 7th revised edition, 2017 (UN GHS) and also chapter 2.7 in the CLP regulation 1272/2008 (EU GHS).