Registration Dossier
Registration Dossier
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EC number: 304-802-4 | CAS number: 94279-56-8
Long-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
As the substance was not found to be toxic to aquatic organisms, the substance is not classified for environmental effects. Consequently, no chemical safety assessment needs to be performed for the environment. Therefore, long-term toxicity testing is considered not required
Key value for chemical safety assessment
Additional information
This substance is the product of a reaction between Zircon (EC no 239-019-6) and sodium hydroxide. In accordance with column 2 of REACH Annex VII section 9.1.6, long-term aquatic toxicity testing shall be proposed if the chemical safety assessment indicates the need to investigate further the effects on aquatic organisms. As silicic acid (H4SiO4), zirconium(4+) salt (1:1), reaction products with sodium hydroxide is not found to be toxic to aquatic organisms, the substance is not classified for environmental effects. Consequently, no chemical safety assessment needs to be performed for the environment. Therefore, long-term toxicity testing is considered not required
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