Registration Dossier
Registration Dossier
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EC number: 815-460-5 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Since the physico-chemical properties of the polyol esters are similar, it is expected that the compounds will behave in the same way in the aquatic environment. Based on the above considerations, it can be concluded that the eco-toxicological properties of decanoic acid, mixed esters with heptanoic acid, octanoic acid and trimethylolpropane can be derived directly by read-across from known esters.
Acute toxicity to fish: LL50/LC50 > 10000 mg/L and LC50 > 1000 mg/l (based on read-across to CAS 11138-60-6, CAS 91050 -89 -4 and CAS 78 -16 -0), i.e. >> water solubility of decanoic acid, mixed esters with heptanoic acid, octanoic acid and trimethylolpropane.
Acute toxicity to aquatic invertebrates: EL50 (48 h) > 100 mg/L WAF loading rate(based on read-across to CAS 11138-60-6), i.e. >> water solubility ofdecanoic acid, mixed esters with heptanoic acid, octanoic acid and trimethylolpropane.
Long-term toxicity to aquatic invertebrates: A 15-day reproduction test with read-across substance, decanoic acid, ester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol octanoate, showed no effects in the range of water solubility with an NOELR = 2570 mg/L (15 d) based on reproduction and immobilisation, i.e. >> water solubility of decanoic acid, mixed esters with heptanoic acid, octanoic acid and trimethylolpropane.
Acute toxicity to aquatic plants (algae): An algae toxicity study was conducted with read-across substance, decanoic acid, ester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol octanoate provided an ErL50 > 100 mg/L (WAF loading rate), i.e. >> water solubility of decanoic acid, mixed esters with heptanoic acid, octanoic acid and trimethylolpropane.
Toxicity to aquatic microorganisms: A study was conducted with CAS 11138 -60 -6 using activated sludge (domestic). No inhibition of respiration was observed. Therefore, the EC50 and EC10 (3h) values are > 10000 mg/L (nominal), i.e. >> water solubility of decanoic acid, mixed esters with heptanoic acid, octanoic acid and trimethylolpropane.
A report justifying the read-across approach is included in IUCLID Chapter 13.
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