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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

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Physical & Chemical properties


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Administrative data

Link to relevant study record(s)

Description of key information

Burning time solid 345 s

No flammable gases evolved in contact with water

No pyrophoric solid

Key value for chemical safety assessment

non flammable

Additional information

The substance betaines, C12-14 (even numbered)-alkyldimethyl was determined non-flammable as a result of the preliminary test in accordance with the EU Method A.10. No gas generations or spontaneous ignitions were observed in any of the test investigating flammability on contact with water, according to EU Method A.12. No pyrophoric properties were determined in the test according to EU Method A.13.

Justification for classification or non-classification

The available data on flammability of the test substance do not meet the criteria for classification according to Regulation (EC) 1272/2008 or Directive 67/548/EEC, and are therefore conclusive but not sufficient for classification:

Only a weak propagation of burning determined in a test according to EU Method A.10.

No flammability on contact in water determined in a test according to EU Method A.12.

No pyrophoricity determined in a test according to EU Method A.13.