Registration Dossier
Registration Dossier
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EC number: 700-729-0 | CAS number: 1369500-14-0
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
The substance is used as Transported Isolated Intermediate under Strictly Controlled Conditions. Release of substance to the environment is controlled by appropriate technical and managerial means. Procedural controls are in place for transfer, cleaning, maintenance, waste treatment and accidental release. Environmental exposure to the substance is thus minimised. A derivation of PNECs is deemed not necessary.
Conclusion on classification
Adequate chronic toxicity data are not available for all three trophic levels. Of the available acute toxicity data fish (Oncorhynchus mykiss) are the most sensitive species (96-h LC50 = 1.1 mg/L), followed by algae (Pseudokirchneriella subcapitata; 96-h ErC50 > 2.4 mg/L) and invertebrates (Daphnia magna) being the least (48-h EC50 > 11 mg/L). Because the effect values are above the 1 mg/L trigger value, the substance is not trigger acute classification.
Long-term aquatic toxicity data are available only for aquatic algae for which an 96-h NOErC of 1.1 mg/L was determined. Based on the chronic data and the substance’ non-readily biodegradability, the substance does not need to be classified for chronic hazard.
As only one reliable long-term toxicity endpoint is available, chronic classification needs to be based on both chronic and acute data of which the most stringent outcome is used for the final classification. Regarding acute data (lowest acute value in the range of 1 - 10 mg/L) and the substance being not readily biodegradable, the substance needs to be classified as Aquatic Chronic 2. The substance thus meets the criteria for classification as Hazardous to the aquatic environment, Category Chronic 2, according to Regulation (EC) No. 1272/2008, as amended by Regulation (EC) No. 286/2011.
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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