Registration Dossier

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
25 July 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
Version / remarks:
2015
Deviations:
not specified
Qualifier:
according to
Guideline:
other: VDI 2263, sheet 1
Version / remarks:
1990
Deviations:
not specified
GLP compliance:
no
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

The test item did not ignite at room temperature with a flame as ignition source being applied for at least 2 minutes. The test item melted. Therefore, the performance of the main test was not necessary.

Interpretation of results:
not classified based on GHS criteria
Conclusions:
The test item could not be ignited by applying a flame as ignition source for at least 2 minutes. The test item melted.
Executive summary:

The test item could not be ignited by applying a flame as ignition source for at least 2 minutes. The test item melted. Therefore, the product is not classified as a readily combustible solid in class 4.1 according to the UN Transport Regulation and is not classified as a flammable solid according to GHS / CLP Regulation EC 1272/2008 Annex 1: 2.7. The study was performed according to UN Test N.1 and is considered to be reliable without restrictions (Klimisch 1). The study was not GLP-compliant, however the testing laboratory holds a GLP certificate.

Description of key information

The test item could not be ignited by applying a flame as ignition source for at least 2 minutes. The test item melted.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

The test item could not be ignited by applying a flame as ignition source for at least 2 minutes. The test item melted (2017). The study was performed according to UN Test N.1 and is considered to be reliable without restrictions (Klimisch 1). The study was not GLP-compliant, however the testing laboratory holds a GLP certificate.

Justification for classification or non-classification

According to UN Test N.1, the substance is ignited by a flame as ignition source in the first screening test. If the substance sustains combustion, a main test is performed in which the burning velocity over a defined burning distance is measured. For the classification according to the UN Transport Regulation and to GHS / CLP Regulation, it is further tested whether the combustion can be stopped by a wetted zone. As the test item could not be ignited applying a flame as ignition source for at least 2 minutes (melting instead was observed), the main test did not have to be performed. Therefore, the product is not classified as a readily combustible solid in class 4.1 according to the UN Transport Regulation, and is not classified as flammable solid according to GHS / CLP Regulation EC 1272/2008 Annex 1: 2.7.