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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Description of key information

The objective of the study was to establish acute toxicity levels of N-(n-Butyl) thiophosphoric triamide (NBPT) to the daphnid, Daphnia magna, a freshwater invertebrate.The definitive toxicity test was performed according to EnviroSystems Test Protocol 8968-BR (Acute Static Toxicity of Test Substance to the Daphnid, Daphnia magna),which is based on procedures of the U.S. Environmental Protection Agency (1986, 1987).

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
350 mg/L

Additional information