Registration Dossier
Registration Dossier
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EC number: 915-730-3 | CAS number: -
Toxicity to terrestrial plants
Administrative data
Link to relevant study record(s)
Description of key information
See below.
Key value for chemical safety assessment
- Long-term EC10, LC10 or NOEC for terrestrial plants:
- 27 mg/kg soil dw
Additional information
In a terrestrial plant test according to OECD TG 208 under GLP, 6 plant species were tested for seedling emergence, growth and phytotoxic effects (chlorosis, necrosis and abnormal growth). The overall EC10 on leaf fresh weight being the most sensitive parameter resulted in 27 mg/kg soil dw. The doses were selected based on a dose range finding study and were 12.3, 37, 111, 333 and 1000 mg/kg soil dw. The concentration in the stock solution was verified but actual measures in the soil were not performed. The soil is a sandy loam and was sterilised before use. All particles were < 0.2cm. The organic matter content is 0.67 +/-0.03%. The following dicotyls were used: Brassica napus, Glycine max, Solanum lycopersicum and Cucumis sativus. The following monocotyles were use: Avena sativa and Allium cepa. Untreated seeds were sewn in pots and plants were grown for 14 days, except Allium cepa which was grown for 21 days. Fresh weight of the leaves of plants was the more sensitive endpoint compared to germination, phytotoxicity and mortality. The EC10 of all six plant species was averaged as the number of species =>5, which results in 27 mg/kg dw soil.
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