Registration Dossier
Registration Dossier
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EC number: 800-181-3 | CAS number: 371756-75-1
Toxicity to soil microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The substance defined in section 1 is with high probability not harmful to soil microorganisms.
Key value for chemical safety assessment
Additional information
Although there are no data available concerning the toxicitysoil microorganisms, the substance is considered with high probability not harmful to soil microorganisms.Toxicity studies are available in order to determine the toxicity to plantsof one member of the category of derivatives of 4,4’-bis(1,3,5-triazinyl-2-yl)amino)stilbene-2,2’-disulfonic acid, each with one anilino and one alkyl amino moiety.Data on the toxicity of the same category member to soil microorganisms are available. These data substantiate that theNOEC valueon the tested organismsishigher thannominal1000 mg/kg soildw.Furthermore, the acuteand log-termaquatic toxicity assessment covering all trophic levels reveal neither a need to classify the substances of the category as dangerous for the environment, nor are they PBT or vPvB substances.The studies demonstrate that the substances belonging to the category are with a high probability not harmful tosoil microorganisms.
EC 432-690-8: In a toxicity study (28d) of the test substance on soil,no toxic effects occurred at the test concentration of nominally 1000 mg/kg soil dw based on nitrate formation rate (Goodband, T.J.; Mullee, D.M. 2008). ). Therefore, the test substance is considered not to be harmful tosoil microorganisms.
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