Registration Dossier
Registration Dossier
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EC number: 208-580-9 | CAS number: 533-96-0
Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
Medium hardness water contains typically 100 mg/l carbonate; a limiting factor to health of auatic organisms will be raised pH at extremely high concentrations and imbalance of micro-nutrients and other metals.
Key value for chemical safety assessment
Additional information
The substance dissociates in water producing sodium, carbonate and bicarbonate ions. All of them originally exist in nature, and their concentrations in surface water are dependent on various factors, such as geological parameters, weathering and human activities. Therefore, there is a continuous source of such ions into the environment and they all have been measured extensively in aquatic ecosystems.
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.
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