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Physical & Chemical properties

Flammability

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Endpoint:
substances / mixtures which in contact with water emit flammable gases
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
other:
Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15 November 2006 to 4 December 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
Qualifier:
according to guideline
Guideline:
EU Method A.10 (Flammability (Solids))
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Test procedure:
burning time (test type not further specified)
Burning time:
ca. 2 s

Preliminary screening test

The pile ignited with a small orange flame which self-extinguished 2 seconds after the Bunsen flame was removed, without propagating combustion.

The result of the preliminary screening test obviated the need to perform the main test.

Moisture Content Determination A Determination B
a) Mass of loss bottle (g) 18.7509 20.2763
b) Mass of loss bottle and test material (g) 19.7828 21.3136
c) Mass of loss bottle and test material aftery drying (g) 19.7656 21.2962
Moisture content (% w/w) 1.667 1.677
Mean moisture content (% w/w) 1.672
Interpretation of results:
non flammable
Conclusions:
The test material has been determined to be not highly flammable as it did not propogate combustion over the 200 mm of the preliminary screening test.
Executive summary:

In a hazardous physico-chemical properties study (0370/0352), the test material was determined to be not highly flammable as it did not propagate combustion over the 200 mm of the preliminary screening test, according to EU Test Method A10.

Endpoint:
self-heating substances / mixtures
Type of information:
experimental study
Adequacy of study:
key study
Study period:
12 June 2013 to 12 December 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
Qualifier:
according to guideline
Guideline:
other: UN Transport Regulations Test H.4.
Deviations:
no
Principles of method if other than guideline:
The substance was evaluated in accordance with the Regulation (EC) No 1272/2008 and the standardised guideline UN Transport Regulations Test H.4.
GLP compliance:
yes (incl. QA statement)

1) Self-reactive substances (Heat accumulation storage test)

Storage temperature: 75.0 °C

Temperature rise: 0.0 °C

Storage time: 212.1 h

According to this, the SADT is higher than 75.0 °C.

Conclusions:
Under the conditions of this study, the SADT is higher than 75.0 °C.
Executive summary:

The physical and chemical properties of the test material were evaluated in accordance with the Regulation (EC) No 1272/2008 and the standardised guidelines UN Transport Regulations Test H.4.

The material was subjected to a heat accumulation storage test.

Under the conditions of this study, the SADT is higher than 75.0 °C.

Endpoint:
self-heating substances / mixtures
Type of information:
experimental study
Adequacy of study:
key study
Study period:
12 June 2013 to 12 December 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
Qualifier:
according to guideline
Guideline:
other: Grewer Oven Test, VDI 2263, part 1
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: UN Transport Regulations Test N.4
Deviations:
no
Principles of method if other than guideline:
In accordance with the Regulation (EC) No 1272/2008 and the standardised guidelines the Grewer Oven Test and UN Transport Regulations Test N.4, the substance was evaluated for self-heating properties and any classification requirements for transportation.
GLP compliance:
yes (incl. QA statement)

1) Self-ignitability

Onset-temperature: 138.0 °C

Maximum rate of the reaction (TRmax): 183 °C

Temperature rise: 256.0 °C

 

2) Test for self-heating substances

Test in 100 mm cube at 140 °C: Positive result; temperature rose to >249 °C

Test in 25 mm cube at 140 °C: Negative result; no temperature rise

Test in 100 mm cube at 120 °C: Positive result; temperature rose to >289 °C

Test in 100 mm cube at 100 °C: Negative result; temperature rose to 111 °C

 

As a result of this, the substance is classified under CLP as a self-heating substance of division 4.2 and is assigned to Packing Group III. It is not exempted if transported in packages of not more than 3 cubic metres in volume but it is exempted if transported in packages of not more than 450 litres in volume.

In accordance with GHS, the material is classified as a self-heating substance category 2 if the substance is to be packed in packages with a volume of more than 450 litres.

Interpretation of results:
other: Classified as a self-heating substance category 2 if the substance is to be packed in packages with a volume of more than 450 litres.
Conclusions:
In accordance with GHS, the material is classified as a self-heating substance category 2 if the substance is to be packed in packages with a volume of more than 450 litres.
Executive summary:

The physical and chemical properties of the test material were evaluated in accordance with the Regulation (EC) No 1272/2008 and the standardised guidelines the Grewer Oven Test and UN Transport Regulations Test N.4.

The test material was evaluated for self-heating properties to determine any classification requirements for transportation.

The material was evaluated for self-ignitability and was subjected to a test for self-heating substances.

As a result of these investigations, the material is classified as a self-heating substance of division 4.2 and is assigned to Packing Group III. It is not exempted if transported in packages of not more than 3 cubic metres in volume but it is exempted if transported in packages of not more than 450 litres in volume.

In accordance with CLP, the substance is classified as a self-heating substance category 2 if the substance is to be packed in packages with a volume of more than 450 litres.

Description of key information

The test material has been determined to be not highly flammable as it did not propagate combustion over the 200 mm of the preliminary screening test.

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

Tremain (2007)

In a hazardous physico-chemical properties study the test material was determined to be not highly flammable as it did not propagate combustion over the 200 mm of the preliminary screening test, according to EU Test Method A10. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

 

Tremain (2007)

The physical and chemical properties of the test material were evaluated in accordance with the Regulation (EC) No 1272/2008 and the standardised guidelines UN Transport Regulations Test H.4. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

The material was subjected to a heat accumulation storage test.

Under the conditions of this study, the SADT is higher than 75.0 °C.

 

Achhammer (2013)

The physical and chemical properties of the test material were evaluated in accordance with the Regulation (EC) No 1272/2008 and the standardised guidelines the Grewer Oven Test and UN Transport Regulations Test N.4. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

The test material was evaluated for self-heating properties to determine any classification requirements for transportation.

The material was evaluated for self-ignitability and was subjected to a test for self-heating substances.

As a result of these investigations, the material is classified as a self-heating substance of division 4.2 and is assigned to Packing Group III. It is not exempted if transported in packages of not more than 3 cubic metres in volume but it is exempted if transported in packages of not more than 450 litres in volume.

In accordance with CLP, the substance is classified as a self-heating substance category 2 if the substance is to be packed in packages with a volume of more than 450 litres.

Justification for classification or non-classification

In accordance with the criteria for classification as defined in Annex I, Regulation (EC) No 1272/2008, the substance is classified as a self-heating substance of division 4.2 and is assigned to Packing Group III. It is not exempted if transported in packages of not more than 3 cubic metres in volume but it is exempted if transported in packages of not more than 450 litres in volume.

In accordance with GHS, the material is classified as a self-heating substance category 2 if the substance is to be packed in packages with a volume of more than 450 litres.