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Physical & Chemical properties

Particle size distribution (Granulometry)

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Description of key information

mass median diameter (MMD):  > 5000 µm.

Additional information

In the non-GLP Klimisch 1 key study from Bütfering (2012) the particle size distribution of the test item Reaction products of ricinoleic acid with 2-aminoethanol and maleic acid and sodium hydrogensulfite was determined using the sieving method according to DIN 66165 with sieve sizes ranging from 125 to 5000 µm. The mass median diameter (MMD) of the test item was calculated to be > 5000 µm.

This result is considered relevant and reliable for the risk assessment.