Registration Dossier
Registration Dossier
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EC number: 296-473-8 | CAS number: 92704-41-1 The product of high temperature calcination (above 450°C (842°F)) of naturally occurring kaolin, a hydrated aluminum silicate, resulting in the evolution of water and the formation of new substances depending upon the calcination temperatures employed.
Sediment toxicity
Administrative data
Link to relevant study record(s)
Description of key information
No data are available for sediment toxicity.
If released to the environment, kaolin, calcined is expected to combine indistinguishably with the soil or sediment due to its similarity with inorganic soil/sediment matter and will be subjected to natural processes under environmental conditions (cation exchange, dissolution, sedimentation). Furthermore the amounts released are negligible in comparison to the release by natural deposit or alteration.
Therefore, further testing on sediment organisms is not required.
Key value for chemical safety assessment
Additional information
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