Registration Dossier
Registration Dossier
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EC number: 271-091-4 | CAS number: 68515-49-1
Toxicity to soil microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
In accordance with REACH Chapter R.7C Endpoint Specific Guidance, specifically R.7.11.6.3 Testing Stategy (Table R.7.11-2), data to characterize toxicity to soil microorganisms is waived for the following reasons. Di-isodecyl phthalate ester (DIDP) is readily biodegradable, consequently it is considered to degrade rapidly in the environment and not persist. DIDP does not cause acute or chronic aquatic toxicity at its maximum water solubility, consequently it does not pose an acute or chronic aquatic hazard, and it is not possible to derive NOEC or PNEC values needed for quantitative risk assessment. However, it is possible to qualitatively conclude based on low solubility and available effects test data that DIDP is not harmful to aquatic organisms. Acute and chronic toxicicty data for soil macroorganisms, earthworms, also show that DIDP does not cause effects at high soil loading rates. Data also show that DIDP does not inhibit respiration in wastewater treatment microorganisms at levels above its water solubility. Therefore, based on these considerations, additional short and long-term toxicity testing for soil microorganisms is not needed.
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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