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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Physical & Chemical properties


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Administrative data

Link to relevant study record(s)

Description of key information

GLDA-Na4 is not flammable, it has no pyrophoric properties and does not react with water (and therefore does not emit flammable gases when in contact with water).

Key value for chemical safety assessment

non flammable

Additional information

Four UN tests were available: UN-N1, N2, N4 and N5.

51981-21-6, Flammability, UN-N1 test, Boerdijk, 2008, RS

51981-21-6, Pyrophoric properties, UN-N2 test, Boerdijk, 2008, RS

51981-21-6, Pyrophoric properties, UN-N4 test, Boerdijk, 2008, RS

51981-21-6, Reactivity with water, UN-N5 test, Boerdijk, 2008, RS

This substance is not produced nor transported as an aerosol.

Justification for classification or non-classification

Based on the results indicated above, no classification is needed for flammability, pryophoric properties and reactivity with water.