Registration Dossier
Registration Dossier
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EC number: 215-290-6 | CAS number: 1319-46-6
Endpoint summary
Administrative data
Description of key information
Additional information
Toxicity to freshwater organisms
Acute data:
For fish, 22 individual reliable acute toxicity data points for the freshater species Pimephales promelas were summarized in one data point and put forward for hazard assessment purposes.
The acute toxicity values (96h-LC50) for Pimephales promelas varied between 40.8 µg dissolved Pb/L (at pH 5.67 and hardness of 15.9 mg/L) and 3597.9 µg dissolved Pb/L (at pH 7.1 and hardness of 26 mg/L).
For invertebrates, 22 individual reliable acute toxicity data points for the species Ceriodaphnia dubia were summarized in one data point and put forward for hazard assessment purposes. The acute toxicity values (48h-LC50) for Ceriodaphnia dubia varied between 26.4 µg dissolved Pb/L (at pH 8.1 and hardness of 25 mg/L) and 3115.8 µg dissolved Pb/L (at pH 8.15 and hardness of 103.2 mg/L).
For algae, 7 individual reliable acute toxicity data points for the species Pseudokirchneriella subcapitata were summarized in one data point and put forward for hazard assessment purposes. The acute toxicity values (72h-EC50) for Pseudokirchneriella subcapitata varied between 21.7 µg dissolved Pb/L (at pH 7.28 and hardness of 24 mg/L) and 322.9 µg dissolved Pb/L (at pH 7.34 and hardness of 174.4 mg/L).
For microorganisms, 8 individual reliable acute toxicity data points for 8 different species were summarized in one data point and put forward for hazard assassment purposes. The acute toxicity values (24h-LC50) for the 8 species varied between less than 1.5 mg/L and 5 mg/L.
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