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Physical & Chemical properties

Flammability

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Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
September 9th, 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.10 (Flammability (Solids))
Deviations:
no
GLP compliance:
yes (incl. certificate)
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

Table 1. Results of the preliminary test.

Test number

Time of burning [s]

Comments

Test-1

-

After the ignition the sample did not burn and the flame of the burner did not propagate. The sample only melted where the flame of the burner was directly applied.

Time of flame application: 30, 60, 120 s

Result: Negative

Test-2

-

Test-2

-

Interpretation of results:
not classified based on GHS criteria
Remarks:
(EU criteria)
Conclusions:
The test item is considered not flammable.
Executive summary:

The flammability of the test item was determined according to EU Method A.10, under GLP conditions. The substance was formed into an unbroken strip or powder train about 250 mm long by 20 mm wide by 10 mm high on a non-combustible, non-porous and low heat-conducting base plate, and the flame of a gas burner was applied to one end of the test item pile for 2 minutes. In contact with the flame of the gas burner, the sample did not burn and the flame of the burner did not propagate. The sample only melted where the flame of the burner was directly applied. Therefore, the test item was found to be not flammable according to test criteria.

Endpoint:
substances / mixtures which in contact with water emit flammable gases
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the experience in production or handling shows that the substance does not react with water, e.g. the substance is manufactured with water or washed with water
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING
The substance is not classified as flammable in contact with water based on the chemical structure and the experience in handling / use which shows that the substance does not react with water.
Endpoint:
pyrophoric solids
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is known to be stable in contact with air at room temperature for prolonged periods of time (days) and hence, the classification procedure does not need to be applied
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING
Practical experience in manufacture and handling shows that the substance does not ignite spontaneously on coming into contact with air at normal temperatures.

Description of key information

- Flammability: Key study. Method according to EU Method A.10, GLP study. The test item is not flammable.

- Pyrophoricity: Data waiving (study scientifically not necessary): Based on structure and experience on handling, the substance is known to be non-pyrophoric.

- Flammability in contact with water: Data waiving (study scientifically not necessary): The substance is not classified as flammable in contact with water based on the chemical structure and the experience in handling / use which shows that the substance does not react with water.

Key value for chemical safety assessment

Flammability:
not classified

Additional information

Justification for classification or non-classification

Based on the available information, the substance is not classified for flammability in accordance with CLP Regulation (EC) No. 1272/2008.