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Reference
Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
December 22th, 2017
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)
Qualifier:
according to guideline
Guideline:
EU Method A.10 (Flammability (Solids))
GLP compliance:
yes (incl. QA statement)
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

During the preliminary test, the test item was not ignited, when the burner was kept in contact with the test item for 2 minutes, and did not propagates 200 mm length within 4 minutes. Based on the results of the preliminary test, no main test was performed.

The test item is considered not highly flammable.

Interpretation of results:
other: not classified, according to the CLP Regulation (EC 1272/2008)
Conclusions:
Non-flammable
Executive summary:

The flammability of test item was determined as per “Official journal of the European Union, “A.10. Flammability (Solids)”.

During the preliminary test, the test item was not ignited, when the burner was kept in contact with the test item for 2 minutes, and did not propagates 200 mm length within 4 minutes. Based on the results of the preliminary test, no main test was performed.

The test item is considered not highly flammable, thus, it should not be classified as flammable solid, according to the CLP Regulation (EC 1272/2008).

Conclusion

Non-flammable.

Description of key information

non flammable

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

EU method A.10 and UN test N.1

Justification for classification or non-classification

According to the CLP Regulation (EC 1272/2008) powdered, granular or pasty substances or mixtures (except powders of metals or metal alloys - see 2.7.2.2) shall be classified as readily combustible solids when the time of burning of one or more of the test runs, performed in accordance with the test method described in Part III, sub-section 33.2.1, of the UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, is less than 45 seconds or the rate of burning is more than 2.2 mm/s.

The screening test gave negative results, thus the substance is not classified as flammable, according to the CLP Regulation (EC 1272/2008).

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