Registration Dossier
Registration Dossier
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EC number: 217-915-8 | CAS number: 2008-39-1
Toxicity to soil macroorganisms except arthropods
Administrative data
Link to relevant study record(s)
Description of key information
LC50 > 1000 mg test substance/kg soil dw (> 512.4 mg a.i./kg soil dw)
LC50 = 350 mg a.i./kg soil dw
Key value for chemical safety assessment
Additional information
One study investigating the toxicity of dimethylammonium 2,4-dichlorophenoxyacetate (CAS No. 2008-39-1) to earthworms was available (Kaczynska, 2004). This test was conducted according to OECD Guideline No. 207, Earthworm, Acute Toxicity Test (1984), under GLP conditions. After 14 days of exposure in artificial soil, no effects on earthworm survival were reported and therefore the LC50 value was determined to be greater than 1000 mg test substance/kg soil dw (corresponding to 512.4 mg a.i./kg soil dw).Additional information could be gathered from a report by Adema and Roza (1989), following the same procedure as in the available study (OECD Guideline 207). The resulting LC50 after 14 days of exposure was 350 mg a.i./kg soil dw.
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