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EC number: 203-838-7
CAS number: 111-14-8
Short-term toxicity to fish: LC50 (96h) =74.8 mg/L for medaka (Oryzias latipes) (OECD TG 203)
Two studies are available for this endpoint.
One study was performed (Huntingdon Life
Sciences, 1999) to assess the acute toxicity of n-Heptanoic acid to
fathead minnow (Pimephales promelas) under semi-static
conditions. This study was conducted in accordance with the method C.1
of the European Directive 92/69/EC and the OECD guideline 203. The 96h
LC50 was above 92 mg/l (95% CL). The NOEC was also 92 mg/l.
The other study determined the acute
toxicity of n-heptanoic acid to medaka (Oryzias latipes),
according to the OECD 203 guidelines. The toxicity was higher to this
species, as LC50 was calculated as 74.8 mg/L.
Fish acute LC50 = 74.8 mg/L
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