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Boiling point

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Description of key information

Decomposes at >237°C

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
237 °C

Additional information

In the Klimisch 1 non-GLP study from Kintrup (2012) the boiling point of Butanedioic acid, sulfo-, 4-[2-[(2-hydroxyethyl)amino]ethyl] ester, N-C18-unsatd. acyl derivs., disodium salts was determined with the DSC method according to OECD 103 and EU method A.2. The test item shows a boiling and /or decomposition at ca. 237 °C (at 1001 mBar) (a decomposition is most likely due to the strong residue in the crucible at ca. 600 °C) according to the definition in the OECD Guideline 103 (mean value from repeat determinations; 1st heating run).From 237 °C the test item shows a boiling and/or thermal decomposition with evaporation of the decomposition products.

For the risk assessment a boiling point of 237°C will be used.

This information is considered to be relevant and reliable for the further risk assessment.

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