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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The MMAD (Mass Median Aerodynamic Diameter < 100 μm) has a value of 34.73 μm as spherical particles.
Accounting on the total sample weight of the substance the fraction <4 µm (respirable) is 0.00 %, the fraction 4-10 µm (thoracic) is 0.03 %, and the fraction 10-100 µm (inhalable) is 3.43%. The fraction >100 µm is 96.54%.

Additional information

The particle size distribution of 2-amino-4,5 dichlorobenzenesulfonic was evaluated according to OECD TG 110, Method B: Particle Size Distribution/Fibre Length and Diameter Distributions.