2-Pentanone

CAS RN:107-87-9

Ecotoxicity Values

LC50 Pimephales promelas (Fathead minnow, age 32 days, mean length 18.4 mm, mean weight 0.095 g) 1240 mg/L/96 hr (95% confidence limit: 1190-1290 mg/L); flow through, 24.4 deg C, pH 7.7, dissolved oxygen 7.2 mg/L, hardness 44.5 mg/L CaCO3, alkalinity 42.6 mg/L CaCO3 /97% purity/

EC50 Pimephales promelas (Fathead minnow, age 32 days, mean length 18.4 mm, mean weight 0.095 g) 1210 mg/L/96 hr; flow through, 24.4 deg C, pH 7.7, dissolved oxygen 7.2 mg/L, hardness 44.5 mg/L CaCO3, alkalinity 42.6 mg/L CaCO3; Effect: Affected fish lost schooling behavior and swam in a corkscrew/spiral pattern near the tank surface. They were hyperactive and overreactive to external stimuli, had increased respiration and edema, were darkly colored, and lost equilibrium prior to death. /97% purity/

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