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Physical & Chemical properties

Flammability

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Description of key information

Non flammable

Key value for chemical safety assessment

Flammability:
non flammable

Additional information

Flammability has been tested on two similar substances that have in common the long chain (> C18) monoester derivative of sodium sulphosuccinate.

In the non-GLP Klimisch 1 study from Bütfering (2013), the flammability of Butanedioic acid, sulfo-, 4-[2-[(2-hydroxyethyl)amino]ethyl] ester, N-C18-unsatd. acyl derivs., disodium salts was determined according to EU method A.10.In the preliminary screening test the test item ignites by the flame. The flame ceased few seconds after removing the gas burner. Therefore, the combustion time is beyond teh specified time frame for flammability of 4 minutes for 200 mm.

In the Nichetti study (2013) the same test has been performed with similar results. As a conclusion it can be deduced that also the registered substance is not flammable

Justification for classification or non-classification

The substance is not classified as flammable because it doesn't meet the classification criteria of the CLP regulation n. 1272/2008: "Powdered, granular or pasty substances or mixtures (except powders of metals or metal alloys) shall be classified as readily combustible solids when the time of burning of one or more of the test runs, performed in accordance with the test method described in Part III, sub-section 33.2.1, of the UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, is less than 45 seconds or the rate of burning is more than 2,2 mm/s".

Since the test item did not propagate combustion, no further testing was required. From the obtained experimental data it can be concluded that the substance is a not highly flammable substance. After the observation of the sample in the two preliminary tests, no further testing was required.