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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

All particles with a mean diameter less than 100 μm have a mass fraction of 1.36%.
1.80% of this mass fraction has a mean diameter less than 4 μm.

Additional information

According to OECD guideline 110, the particle size distribution of ditolylether disulfonic acid disodium salt, isomer mixture was determined by scanning electron microscopy method for the sieved fraction (<100 µm, 1.36% of total sample) and presented on the basis of calculated mass fractions. The median diameter was 16.38 µm. All particles with a mean diameter less than 100 μm have a mass fraction of 1.36%. 1.80% of this mass fraction has a mean diameter less than 4 μm.