Registration Dossier
Registration Dossier
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EC number: 940-936-5 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
The following key information is used to evaluate the aquatic short-term toxicity of the target substance:
Toxicity to algae (Pseudokirchneriella subcapitata): 72-h EC50: 449 µg/l (OECD 201, GLP)
Toxicity to invertebrates (Daphnia magna): 48-h EC50: 0.94 mg/l (OECD 202, GLP)
Short-term toxicity to freshwater fish (Leiostomus xanthurus): 96-h LC50: 0.09 mg/l (read-across, WoE, non-guideline study)
Short-term toxicity to marine water fish (Oncorhynchus kisutch): 96-h LC50: 0.03 mg/l (read-across, WoE, non-guideline study)
Respiratory inhibition of activated sludge: 3-h EC50 251.5 mg/l (OECD 209; GLP)
Target substance is usually maintained in pH above 11 because it becomes unstable if pH drops below 9. In very low pH (<4) the substance will release chlorine gas. When substance is introduced to test conditions, it will become unstable making analytical quantification difficult.
Because of these properties of test substance, samples of test medium in the key studies were not collected during the exposure period for the analytical verification of the test solutions. Test substance could not be quantified in the test system due to the nature of the material being unstable under the test conditions and the fact that no suitable analytical technique with the required sensitivity could be determined. The results of key studies were based on nominal test concentrations.
PNEC values were derived from studies (GLP compliant and fulfilling OECD guidelines) conducted with the test substance. Short-term toxicity value for fish was based on read-across data from sodium hypochlorite.
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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