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EC number: 946-101-1
CAS number: -
and invertebrate toxicity studies are available with read across
substance (i.e., mono- and di- C16-18 PSE) and an algae toxicity
study is available with the test substance. No toxicity was observed
in either of the tests. The lowest ErC50 value based on measured TWA
(WAF) was determined to be >0.017 mg/L from the algae study with the
test substance, which exceeded the maximum soluble concentration of
test substance in test medium at a loading rate of 100 mg/L.
Therefore, the test substance is considered not to qualify for acute
aquatic classification according to CLP (EC 1271/2008) criteria.
regard to chronic toxicity potential, although the substance is not
readily biodegradable, the long-term equivalent NOEC from the algae
toxicity study was considered to be >0.01 mg/L (i.e., 0.017 mg/L
(geometric mean measured; WAF). Further, based on the weighted
average BCF estimates using BCFBAF v.3.01, and the stearic hindrance
due to branched and long chain constituents, the test substance is
considered to have a low bioaccumulation potential. This is further
supported by the absence of adverse effects in a combined repeated
dose and reproductive/development toxicity study in mammals up to
the highest tested dose of 1000 mg/kg bw/day. Based on the above
information, the test substance can be expected not to have
significant chronic toxicity potential. Nevertheless, a safety net
classification of Chronic 4 – H413: May cause long lasting harmful
effects to aquatic life, has been assigned according to CLP criteria
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