Registration Dossier
Registration Dossier
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EC number: 213-701-3 | CAS number: 1003-14-1
Endpoint summary
Administrative data
Description of key information
Additional information
Acutely harmful to aquatic organisms.
The inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriate low concentrations.
This aquatic toxicity assessment was based on the following data:
The LC50 value of the test substance on Leuciscus idus was determined to be 220 mg/L in a guideline study according to DIN 38 412 (BASF AG 10F0063/895103,1990). Therefore, the test substance is considered with high probability acutely not harmful to fish.
The EC50 value of the test substance on Daphnia magna was determined to be 70.7 mg/L in a guideline study according to OECD 202 (BASF SE, 50E0553, 2017). Based on these data, the test substance is considered to be acutely harmful to aquatic invertebrates.
The acute toxicity of the test substance on Pseudokirchneriella subcapitata was measured in a study according to OECD 201. The EC50 value on the growth rate was determined to be 95.5 mg/L, the ErC10 (72h) to be +6.62 mg/L (BASF SE, 60E0553/15X306, 2017). Therefore, the test substance is considered to be acutely harmful to aquatic algae.
The EC20 value of the test item on activated sludge was determined to be about 270 mg/L in a guideline study according to OECD 209 (BASF AG 99/0302/08/1, 1999). This result is supported by an EC10 of 802 mg/L obtained in a study according to DIN 38412, part 8 (BASF AG 9/1890586,1989). Based on these results, the inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriate low concentrations.
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