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Physical & Chemical properties

Particle size distribution (Granulometry)

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Link to relevant study record(s)

Reference
Endpoint:
particle size distribution (granulometry)
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is marketed or used in a non solid or granular form

Description of key information

In accordance with REACH Chapter R.7A Endpoint Specific Guidance, specifically R.7.1.14.1 Information requirements on granulometry, the granulometry study does not need to be conducted as the substance is marketed or used only as well dedusted powder or in a granular form. The substance is isolated by spray drying into the composite microgranular form or dedusting agent is added to form agglomerates of particles and leads to particle sizes which are not inhalable.

Additional information