Registration Dossier
Registration Dossier
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EC number: 279-481-6 | CAS number: 80475-32-7
Endpoint summary
Administrative data
Description of key information
Acute aquatic toxicity studies on three trophic levels (algae, invertebrates and fish) are available for 1-Octanesulfonamide, N-[3-(dimethyloxidoamino)propyl]-3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-,: a 96 hour acute toxicity study on the fishOncorhynchus mykissaccording to OECD Guideline 203, a 48 hour acute lethal toxicity study on the marine aquatic invertebrateAcartia tonsaaccording to ISO Guideline 14669, and a 72 hour growth inhibition study on the marine diatomSkeletonema costatum.S. costatumwas the most sensitive species, exhibiting a 72h ErC50 of 8.5 mg/L and a 72h NOEC of 0.5 mg/L. No adverse effects on the fishO. mykisswere observed at the highest dose tested (81.2 mg/L). The 48h LC50 observed forA. tonsawas 516 mg/L, which is several orders of magnitude higher than the algal ErC50 onS. costatum.
In a 10 day sediment bioassay on the marine amphipodCorophium volutatoraccording to an OSPAR protocol (Protocols on Methods for the Testing of Chemicals Used in the Offshore Oil Industry; Part A: A Sediment Bioassay Using an AmphipodCorophium sp.), a 10 day LC50 of greater than 1522 mg/kg sediment dw (the highest dose tested) was observed. This test result further supports the low hazard of 1-Octanesulfonamide, N-[3-(dimethyloxidoamino)propyl]-3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-, to aquatic invertebrates as observed in the 48h acute toxicity study on A. tonsa.
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