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EC number: 203-227-5
CAS number: 104-68-7
For the ecotoxicological studies:
Persistence assessment: The
test substance does not meet the criteria of P or vP because it is
readily biodegradable. In
a standard biodegradation screening test based on OECD guideline 301F,
biodegradation of Di-EPh was observed. The
extent of DiEPh biodegradation based on BOD, CO2evolution,
and DOC removal reached 100.5 ± 1.1%, 87.0 ± 0.3%, and 95.3 ± 0.6%,
(mean ± 1 SD), respectively, at the end of the 28-day test. Thus, the
biodegradation of DiEPh achieved both the pass level and 10-day window
criteria for classification as readily biodegradable in the Manometric
Bioaccumulation assessment: The
test substance does not meet the criteria of B and vB. The
substance has a low potential to bioaccumulate because of its low log
Pow value (0.8). Screening
criteria for bioaccumulation states that test substances with log Pow
values ≤ 4.5 are not B and not vB.
Toxicity Assessment: The
96-hour LC50 for fathead minnow (Pimephales promelas) was
The 48-hour EC50 for freshwater invertebrate (Daphnia
magna) was 906 mg/L. The 72-hour ErC50 (based on growth rate) for
freshwater algae (Pseudokirchnerella subcapitata) was determined
to be 393 mg/L. Because these aquatic toxicity endpoints are
more than 3000-fold higher than the 0.1 mg/L threshold for toxicity (T),
the test substance is not T.
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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