Registration Dossier
Registration Dossier
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EC number: 244-216-5 | CAS number: 21112-37-8
Endpoint summary
Administrative data
Description of key information
The acute toxicity of Vetimoss to fish, daphnia, algae and activated sludge has been investigated in studies conducted in accordance with OECD 201, 202 and 203 studies.
OECD 203 - Acute toxicity to fish - LC50 = 2.51 mg/l (mean measured)
OECD 202 - Acute toxicity to daphnia - EC50 (immobilisation) = 2.70 mg/l (mean measured)
OECD 201 - Toxicity to algae - EL50 (yield) = 22.04 mg/l (nominal loading rate), NOELR (growth and yield) = 6.25 mg/l (nominal loading rate).
OECD 209 - Toxicity to activated sludge - EC50 (respiration inhibition) = >30 mg/l, NOEC (respiration inhibition) = 30 mg/l (nominal loading rate)
Additional information
Acute toxicity to fish - In a 96 -hour fish study, the acute toxicity of Vetimoss was determined according to OECD 203 TG. The 96-hour LC50 of Vetimoss in fish is 2.51 mg/L.
Acute toxicity to invertebrates - In a 48-hour study, the acute toxicity of Vetimoss to daphnia was determined according to OECD 202 guidelines. The 48-hour daphnia LC50 for Vetimoss is 2.70 mg/l (mean measured concentration).
Toxicity to algae - In a 72-hour study, the toxicity of Vetimoss to algae was determined according to OECD 201 guidelines. The 72-hour algae EL50 for Vetimoss is 22.04 mg/l (nominal loading rate concentration). The 72-hour algae NOELR for Vetimoss is 6.25 mg/l (nominal loading rate concentration).
Toxicity to microorganisms - The toxicity of Vetimoss to activated sludge respiration was determined during an OECD 209 guideline study. Due to the nature of the test item, a concentration of >30 mg/l was not able to be tested as it destroyed the dissolved oxygen meter. Based on this study and an EC50 of >30 mg/l and a NOEC of 30 mg/l were reported for activated sludge inhibition by Vetimoss.
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