[No public or meaningful name is available]

Flammability

Link to relevant study record(s)

Reference

Endpoint:

flammable solids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2021-07-23 - 2021-07-23

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.10 (Flammability (Solids))

Deviations:

no

GLP compliance:

no

Key result

Test procedure:

burning rate test: preliminary screening test

Burning time:

> 2 min

The test item was filled in a mould of a length of 250 mm, an inner height of 10 mm and a thickness of 20 mm. As lateral limitations, metal plates were attached at the end of the mould which project 2 mm above the limitation of the mould. The test item was filled loosely into the mould. Then, the mould was closed and the test item was compacted by dropping the mould three times from a height of 20 mm on a solid surface. If the test item could be compacted in that way, the mould is filled up again with test item and compacted again. After that, the mould was opened at the top and a ceramic plate was laid on the top of the mould. The mould and the plate were then turned upside down. The mould was removed so that train of the test item laid on the ceramic plate with the shape of the inner mould. The pile of the test item was placed across the exhausting direction of the fume hood.

Preliminary test:

For the preliminary test according to the UN Transport Regulation and to GHS / CLP Regulation the test is performed as described above. As ignition source, a flame was applied on the test item until it ignites or for at least 2 minutes. The main test has to be performed in case the test item burns over a distance of 200 mm within 2 minutes (20 minutes for metal dusts). Otherwise, the test item should not be classified as readily combustible solid in Class 4, Division 4.1 of the UN Transportation Regulation and as flammable solid according to GHS I CLP Regulation, respectively.

Main Test:

In the preliminary test the test item could not be ignited by a flame within 2 minutes. Thus, the performance of the main test was not necessary.

 

Interpretation of results:

GHS criteria not met

Conclusions:

According to UN Test N.1 the test item could only ignited briefly with rapid extinction applying a flame as ignition source for at least 2 minutes.
The test item is classified as follows:
UN Transport Regulation: The test item does not have to be classified as readily combustible solid in Class 4, Division 4.1 - Flammable solids according to the UN Transport Regulation.
GHS I Regulation (EC) No 1272/2008: Annex I: 2.7: The test item does not have to be classified as flammable solid according to GHS I Regulation (EC) No 1272/2008: Annex I: 2.7, respectively.

Executive summary:

It was tested whether the test item has to be classified as a highly flammable solid, readily combustible solid and flammable solid with respect to Regulation (EC) No 440/2008, Part A, Method A.10., UN Transport Regulation (Class 4, Division 4.1) and GHS I Regulation (EC) No 1272/2008: Annex I: 2.7), respectively.

Therefore, the substance was 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 / Regulation (EC) No 1272/2008: Annex I: 2.7, it is further tested whether the combustion can be stopped by a wetted zone (for non-metal test items).

• Preliminary Test

The test item did ignite briefly with rapid extinction at room temperature using a flame as ignition source being applied for at least 2 minutes.

• Main Test

In the preliminary test the test item could only ignited briefly with rapid extinction by a flame. Thus, the performance of the main test was not necessary.

• Final Results

According to UN Test N.1 the test item Proteinpulver could only ignited briefly with rapid extinction applying a flame as ignition source for at least 2 minutes.

The test item is classified as follows:

UN Transport Regulation: The test item does not have to be classified as readily combustible solid in Class 4, Division 4.1 - Flammable solids according to the UN Transport Regulation.

GHS I Regulation (EC) No 1272/2008: Annex I: 2.7: The test item does not have to be classified as flammable solid according to GHS I Regulation (EC) No 1272/2008: Annex I: 2.7, respectively.

Description of key information

According to UN Test N.1 the test item could only ignited briefly with rapid extinction applying a flame as ignition source for at least 2 minutes.
The test item is classified as follows:
UN Transport Regulation: The test item does not have to be classified as readily combustible solid in Class 4, Division 4.1 - Flammable solids according to the UN Transport Regulation.
GHS I Regulation (EC) No 1272/2008: Annex I: 2.7: The test item does not have to be classified as flammable solid according to GHS I Regulation (EC) No 1272/2008: Annex I: 2.7, respectively.

Key value for chemical safety assessment

Flammability:

not classified

Justification for classification or non-classification

The substance has not to be classified for flammability.