Registration Dossier
Registration Dossier
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EC number: 800-181-3 | CAS number: 371756-75-1
Toxicity to terrestrial plants
Administrative data
Link to relevant study record(s)
Description of key information
The substance defined in section 1 is with a high probability not harmful to terrestrial plants.
Key value for chemical safety assessment
Additional information
Although there are no data available concerning the toxicity to terrestrial plants, the substance is considered with high probability not harmful to terrestrial plants. Toxicity studies are available in order to determine the toxicity to plants of one member of the category ofderivatives 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 micro- macroorganisms are available. These data substantiate that the NOEC value on the tested organisms is higher than nominal 1000 mg/kg soil dw. Furthermore, the acute and log-term aquatic 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 to terrestrial plants.
EC 432-690-8: In a long-term toxicity study (21d) of the test substance on Avena sativa, Glycine max (G. soja), and Lycopersicon esculentumno toxic effects occurred at the test concentration of nominally 1000 mg/kg soil dw based on germination. For the most sensitive plant,Lycopersicon esculentum,the EC50 ( growth shoot dry weight) was determined to be 190 mg/kg soil dw (Goodband, T.J.; Mullee, D.M. 2008).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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