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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Particle size distribution (Granulometry)

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Administrative data

Link to relevant study record(s)

Description of key information

1497 µm

Additional information

In the non-GLP Klimisch 1 study from Bütfering (2013) the particle size distribution of Butanedioic acid, sulfo-, 4-[2-[(2-hydroxyethyl)amino]ethyl] ester, N-C18-unsatd. acyl derivs., disodium salts was determined by sieving using mesh sizes ranging from 125 to 5000 µm. The mass median diameter X50 of the test item is calculated to be 1497 µm. This study is considered relevant for the risk assessment.