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EC number: 413-910-1
CAS number: 1467668-33-2
LUPEROX 610-E-35; LUPEROX 610-E-50; LUPEROX 610-EN-50; LUPEROX 610-M-50; LUPERSOL 610; LUPERSOL 610-M-50
The acute toxicity of 3-hydroxy-1,1-dimethylbutyl 2-ethyl-2-methylheptaneperoxoate was evaluated with Cyprinus carpio in a study performed in accordance with OECD testing guideline 203 and GLP requirements. LC50-96h was determined to be 1 mg/L.
The acute toxicity of 3-hydroxy-1,1-dimethylbutyl
2-ethyl-2-methylheptaneperoxoate was evaluated with Cyprinus carpio in
a study performed in accordance with OECD testing guideline 203 and GLP
Ten fish per concentration were exposed for a maximum of 96 hours
in a flow through system to nominal concentrations of 1.0, 1.5, 2.0, 2.5
and 3.0 mg/L.
Within 24 hours all fish had died at 3 mg/L. After 48 hours, all
fish had died at 1.5 to 2.5 mg/L. At the end of the test, 50% mortality
was recorded at 1 mg/L. Measured concentrations were between 80 and 110
% relative to nominal.
The LC50-value decreased from 2.5 mg/L after 24 hours of exposure
to 1 mg/L at the end of the 96-hour exposure period. Hence, no
stabilization of effects was observed at the end of the test period.
As a consequence, 3-hydroxy-1,1-dimethylbutyl
2-ethyl-2-methylheptaneperoxoate is considered as highly toxic to fish
(Acute toxicity Category ).
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