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Reference
Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
May 2018
Reliability:
1 (reliable without restriction)
Qualifier:
according to guideline
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)
Key result
Test procedure:
burning rate test: preliminary screening test
Burning time:
> 120 s
Moisture (wt %):
2.54
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

In the preliminary screening test a burning time of > 120 sec. (2 min.) was recorded for the flame propagation over 200 mm. Thus the preliminary screening test was negative and no further testing was required.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item is not to be regarded as readily combustible solid, i.e. flammable solid.

Description of key information

The substance is not flammable based on the results of UN Test N.1.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Testing was conducted according to a scientifically valid and accepted method (UN Test N.1). Hence, the obtained results can be considered as reliable. It was observed that the 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.

Justification for classification or non-classification

In the preliminary screening test a burning time of > 120 sec. (2 min.) was recorded for the flame propagation over 200 mm.

Based on this result, the test item is not to be regarded as readily combustible solid, i.e. flammable solid.