Registration Dossier
Registration Dossier
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EC number: 606-078-8 | CAS number: 186321-96-0
Toxicity to soil microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
An OECD 216 soil microorganisms: Nitrogen Transformation Study was performed to assess the long-term effect of the test item, after a single exposure, on the nitrogen transformation activity of soil microorganisms.
Soil microorganisms were exposed to the test item at concentrations of 10, 32, 100, 320 and 1000 mg/kg for 28 days at temperatures of between 19 and 21°C in the dark with the addition of powdered Lucerne-green-grass meal to act as a respiratory substrate.
The inhibitory effect of the test item on nitrogen transformation was assessed by the determination of nitrate concentration in the soil samples on Days 0 and 28 and compared to data obtained from solvent control soil samples.
The test item showed no significant effect on the nitrogen transformation activity of soil microorganisms at the test concentrations of 10, 32, 100, 320 and 1000 mg/kg over a 28-Day period and therefore can be considered to have no long-term effect on nitrogen transformation in soil.
Key value for chemical safety assessment
- Long-term EC10 or NOEC for soil microorganisms:
- 1 000 mg/kg soil dw
Additional information
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