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EC number: 257-077-0
CAS number: 51240-95-0
Short term toxicity to fish
peroxy neodecanoate is
highly insoluble in water, and no toxicity up to the water
solubility limit has been observed in previously conducted tests on
daphnia and algae. Hence, to avoid vertebrate testing, a non GLP test
was performed in accordance to the fish embryo acute toxicity (FET)
test, OECD 236, adopted 26 July 2013. Due to the low water solubility of
the parent, the embryos were exposed to a WAF as described in the RSS. A
loading of 10 mg/L test material did not result in any significant
differences to Danio rerio embryos. The soluble fraction of the
test substances can therefore be concluded as non-toxic to zebra fish
embryos at its maximum achievable solubility in the test medium in a
semi static 96 hour test with daily refreshment.
Read across with the analogue CAS 22288-41-1
is performed for the acute fish endpoint. An OECD 203 study shows that
the analogue is not toxic up to its water solubility limit. An OECD 236
(FET) shows the same outcome as the registered substance; A loading of
10 mg/L test material did not result in any significant differences to Danio
Short term toxicity to aquatic
One OECD 202 GLP study is available. An
exact EL50 determination was not possible as the substance displayed no
toxicity despite a high test material loading being used at the highest
concentration. No acute effects were observed. The test material and its
subsequent degradation products can be concluded as not acutely toxic to
Long term toxicity to aquatic
Two studies have been performed to assess
the chronic toxicity to aquatic invertebrates. In the key study (OECD
211 GLP), no toxicity was observed at a WAF loading concentration of 10
mg/L degraded for 6 days. A non GLP test performed in accordance to OECD
211 was performed to assess the toxicity of one of the degradation
products. No toxicity was observed in the highest tested concentration.
Based on these findings it can be concluded that neither the parent nor
its degradation products are of environmental hazard to Daphnia magna.
Toxicity to aquatic algae and
One study was performed to assess the
toxicity of 1,1,3,3 -Tetramethylbutyl
peroxy neodecanoate and its degradation products to
aquatic algae. In an OECD 201 study on the parent + degradation
products, using WAF loading, no toxicity was observed below the water
solubility limit, the EL10 was greater than 100 mg/L loading. In all,
the parent and/or its degradation products are not considered as
environmental hazardous for the tested algae.
Toxicity to microorganisms
peroxy neodecanoate for
activated sludge after 3 hours contact time are
both > 1276 mg/L.
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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