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EC number: 695-797-0
CAS number: 93601-86-6
Coefficient of variation for D50 is < 3%; D10 and D90 are < 5%. These
values are within the acceptable limits mentioned in the ISO 13320
The substance was observed to be a medium to fine white powder with
lumps and clusters. Using 3.2 objective lens under a microscope, the
particles appeared to be irregular shaped crystals. Using 40 objective
lens under a microscope, the sample was observed to be made up of
agglomerated crystalline particles.
The particle size distribution of the substance was determined using
laser diffraction analysis (small volume wet module) in a GLP study
according to ISO 13320 and CIPAC MT 187. Each result is the average of
five runs. D10= 20.773 µm, D50= 63.247 µm and D90= 121.696 µm. 5.26% by
volume was determined to be smaller than 10 µm. The MMAD was determined
to be 68.994 µm.
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