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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
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
Remarks:
The study was conducted according to the guideline in effect at the time of study conduct.
GLP compliance:
yes
Test procedure:
burning time (test type not further specified)
Remarks on result:
other: the test substance failed to ignite after the ignition source had been left on for one and a half minutes.
Interpretation of results:
GHS criteria not met
Conclusions:
The test substance was found not to be flammable under the conditions of the test.
Executive summary:

The flammability of the test substance was determined in accordance with EEC Directive 67/548, Annex V, A10 as published in 84/449/EEC. A hot-wire ignition source was used with a minimum temperature of 1000ºC. The test substance was loosely filled into a metal mould which was then dropped 3 times from a height of 2 cm onto a laboratory bench. The mould was removed from its holder and excess substance scraped off with a straight edge. An asbestos substitute board was placed on the mould, the apparatus inverted, and the mould removed. The board was removed to a fume cupboard with the extractor switched on. The ignition source was clamped, touching one end of the test substance pile, and a safety/draught screen was placed around the apparatus. With the fume cupboard window pulled down an attempt was made to ignite the test substance. The test was performed at six positions along the same test pile. In each test, the test substance failed to ignite after the ignition source had been left on for one and a half minutes. The test substance formed a black molten liquid around the ignition source which evolved copious amounts of orange smoke.

Endpoint:
substances / mixtures which in contact with water emit flammable gases
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.12 (Flammability (Contact with Water))
Deviations:
no
Remarks:
The study was conducted according to the guideline in effect at the time of study conduct.
GLP compliance:
yes
Remarks on result:
no reaction with water observed
Interpretation of results:
GHS criteria not met
Conclusions:
The test substance was found not to be flammable under the conditions of the test.
Executive summary:

The flammability of the test substance was determined in accordance with EEC Directive 67/548, Annex V, A12 as published in 84/449/EEC. A hot-wire ignition source was used with a minimum temperature of 1000ºC. Step 1: A small amount of test substance, about 2 mm diameter, was placed in a glass beaker containing distilled water at 21ºC and a note made of whether any gas was evolved and if ignition of the gas occurred. Step 2: A filter paper was floated on the surface of distilled water in a pneumatic trough. The temperature of the water was 21ºC. A small amount of test substance, about 2 mm diameter, was placed onto the centre of the filter paper and a note made of observations as in step 1. Step 3: A pile of test substance approximately 3 cm in diameter and 2 cm high was placed in a porcelain cup and a few drops of distilled water added to an indentation in the top of the pile. The temperature of the water was 21ºC. A note was made of observations as in step 1. Step 4: 100 mL of distilled water was placed in a 250 mL dropping funnel which was connected to a 250 mL conical flask with a side arm adaptor which contained approximately 25 g of test substance. The dropping funnel was fitted with a ground glass stopper and the side arm connected with plastic tubing to a gas collection vessel. Water was let into the conical flask and a note made of whether any gas was evolved over 18 hours. Steps 1 -4 were carried out in triplicate. The test substance did not evolve gas in any of the tests.

Endpoint:
pyrophoric solids
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.13 (Pyrophoric Properties of Solids and Liquids)
Deviations:
no
Remarks:
The study was conducted according to the guideline in effect at the time of study conduct.
GLP compliance:
yes
Test procedure:
ignition time on contact with air
Remarks on result:
no ignition within 5 minutes
Conclusions:
The test substance was found not to be flammable under the conditions of the test.
Executive summary:

The flammability of the test substance was determined in accordance with EEC Directive 67/548, Annex V, A13 as published in 84/449/EEC. A porcelain cup was filled with celite to a depth of 5 mm at room temperature. About 2 cm3 of test substance was dropped from a height of about 1 metre into the cup. It was noted whether the substance ignited during and within 5 minutes of dropping. The test was carried out 6 times at a temperature of 24.5ºC. All 6 tests were negative.

Description of key information

Not flammable (tested as solids; in contact with water/damp air; or solids and liquids)

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

Justification for classification or non-classification

The test substance is not flammable and is not classified according to EU Classification, Labelling and Packaging of Substances and Mixtures (CLP) Regulation (EC) No. 1272/2008.