Registration Dossier
Registration Dossier
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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.
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EC number: 237-066-7 | CAS number: 13598-36-2
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
Description of key information
- MMAD: >500 um
Additional information
In a key study, the particle size distribution of phosphorous acid / phosphonic acid flake was investigated according to methodology comparable to OECD guideline 110. As 99.3% w/w of the test substance was found to have a particle size > 500 um, the mass median diameter of phosphorous acid / phosphonic acid flake is > 500 um.
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