Registration Dossier
Registration Dossier
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EC number: 432-690-8 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Toxicity to soil macro organisms
Acute toxicity
A short-term Toxicity study on earthwormEisenia fetidaaccording to OECD Guideline 207 is available as a limit test with nominal concentration of 1000 mg/kg dry weight. No significant mortality was observed after 14 days of exposure. As test result a LC50 > 1000 mg/kg dry weight was obtained from this study.
Long-term toxicity
A long-term toxicity study on earthwormEisenia fetidaaccording to OECD Guideline 222 is available. The concentrations applied were 62.5, 125, 250, 500, and 1,000 mg/kg soil dry weight. In addition tests using control and vehicle control were performed. The test is valid without restrictions and the results are reliable. After 28 days of exposure, no effects on survival of the adult worms were observed in all concentrations. After the following four weeks, the reproduction rate (average number of juveniles) was significantly reduced in the concentrations of 500 and 1,000 mg/kg soil compared to the control. Hence, the NOEC is 250 mg/kg soil dw.This NOEC can be used as a chronic endpoint representing heterotrophs (consumer) in the terrestrial environment.
Toxicity to terrestrial plants
A growth test with terrestrial plants was conducted according to the OECD Guideline 208. Seeds of each plant were exposed to different concentrations (100, 180, 320, 560 and1000 mg test item per kg soil dry weight) and a control. The most sensitive species was tomato with an EC50 of 190 mg/kg soil dw. And a NOEC of 100 mg/kg soil dw. (Growth shoot dry weight). The NOEC can be used as a chronic endpoint representing autotrophs (producer) in the terrestrial compartment.
Toxicity to soil micro-organisms
A toxicity test on soil microorganisms according to the OECD Guideline 216 is available as a limit test with nominal concentration of 1000 mg/kg. The test item did not affect the nitrogen transformation capacity. Therefore long-term NOEC is 1000 mg/kg soil dry weight.
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