Registration Dossier
Registration Dossier
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EC number: 952-026-5 | CAS number: -
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption: screening
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
Reference
Description of key information
No studies are available. The test substance is an inorganic substance which is poorly soluble in water.
Key value for chemical safety assessment
Additional information
In accordance with column 2 of Annex VIII, (Section 9.3.1) of REACH Regulation 1907/2006 an adsorption/desorption screening test is required for substances with a high potential for adsorption (e.g. the substance has a high octanol water partition co-efficient).
Synthetic wollastonite is an inorganic solid for which an octanol/water partition coefficient cannot be reliably determined. The substance consists of amorphous and crystalline silica which when released into the environment are expected to combine indistinguishably with the soil or sediment due to their similarity with inorganic soil/sediment matter and will be subjected to natural processes under environmental conditions (cation exchange, dissolution, sedimentation). It is therefore considered to be essentially a mineral fraction of soil already. Additionally the test substance is poorly soluble in water and therefore it is likely to be technically unfeasible to perform the test. On this basis the study is considered to be scientifically unjustified.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
