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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

For activated sludge the acute toxicity of Multi-Walled Carbon Nanotubes (MWCNT) according to Commission Directive 88/302/EEC was > 10000 mg/l (nominal, 3 h-EC50) (Weyers, 2006c).

Test material is meeting the form as described in section 4.5 of the IUCLID dossier.

Key value for chemical safety assessment

EC50 for microorganisms:
5 000 mg/L

Additional information

EC50/LC50 should read > 5000 mg/L.