Methyl isobutyl ketone

CAS RN: 108-10-1

Ecotoxicity Values

EC50; Species: Selenastrum capricornutum (/Green/ algae); Concentration: 400 mg/ for 96 hr; Effect: growth rate
LD50; Species: Angelaius phoeniceus (Redwinged blackbird) oral 100 mg/kg
LC50; Species: Carassius auratus (Goldfish); Conditions: static; Concentration: 450 mg/L for 24 hr
LC50; Species: Pimephales promelas (fathead minnow) weight 0.12 g; Conditions: flow through bioassay, water hardness 45.5 mg/L CaCO3, temp: 25 +/- 1 deg C, pH 7.5, dissolved oxygen greater than 60% of saturation; Concentration: 505 mg/L for 96 hr
LC50; Species: Pimephales promelas (Fathead minnow) age 31 days, mean length 20.0 mm, mean weight 0.125 g; Conditions: flow through, 26.2 deg C pH 7.6, dissolved oxygen 6.4 mg/L, hardness 42.4 mg/L CaCO3, alkalinity 41.5 mg/L CaCO3; Concentration: 540 mg/L for 96 hr (95% confidence limit: 492-593 mg/L) /99+% purity/
LC50; Species: Pimephales promelas (Fathead minnow) juvenile, age 28-34 days, weight 0.12 g; Conditions: freshwater, flow through, 25 deg C, pH 7.6, hardness 44.6 mg/L CaCO3, alkalinity 44.0 mg/L CaCO3, dissolved oxygen > or = 80 mg/L; Concentration: 537 mg/L for 96 hr (95% confidence interval: 519-557 mg/L)
EC50; Species: Pimephales promelas (Fathead minnow) age 31 days, mean length 20.0 mm, mean weight 0.125 g; Conditions: flow through, 26.2 deg C, pH 7.6, dissolved oxygen 6.4 mg/L, hardness 42.4 mg/L CaCO3, alkalinity 41.5 mg/L CaCO3; Concentration: 540 mg/L for 96 hr (95% confidence limit: 492-593 mg/L); Effect: affected fish lost equilibrium prior to death /99+% purity/
EC50; Species: Daphnia magna (/Water flea/); Concentration: 78 mg/L for 21 day; Effect: reproduction rate
LC50; Species: Leuciscus idus /(Carp)/; Conditions: static; Concentration: 900 mg/L for 48 hr
LC50; Species: /Oncorhynchus mykiss/ (Rainbow trout); Concentration: 600 mg/L for 96 hr /Conditions of bioassay not specified/
EC50; Species: Scenedesmus subspicatus (Green algae) Log growth phase; Conditions: freshwater, static, 24 deg C, pH 8.0-9.3; Concentration: 980 mg/L for 48 hr; Effect: decreased population biomass
EC50; Species: Chlorococcales (Green algae); Conditions: freshwater, static; Concentration: >1000 mg/L for 24 hr; Effect: physiology, assimilation efficiency
EC50; Species: Daphnia magna (Water flea) age < or = 24 hr; Conditions: freshwater, static, 25 deg C, pH > or =7.0, dissolved oxygen > or = 58%; Concentration: 3682 mg/L for 24 hr; Effect: intoxication, immobilization
EC50; Species: Spirostomum ambiguum (Protozoa); Conditions: freshwater, static, 25 deg C, pH > or =7.4, hardness 2.8 mg/L CaCO3; Concentration: 15.1 mmol/L for 24 hr; Effect: development, deformation
EC50; Species: Spirostomum ambiguum (Protozoa); Conditions: freshwater, static, 25 deg C, pH > or =7.4, hardness 2.8 mg/L CaCO3; Concentration: 17.3 mmol/L for 48 hr; Effect: development, deformation
LC50; Species: Spirostomum ambiguum (Protozoa); Conditions: freshwater, static, 25 deg C, pH > or =7.4, hardness 2.8 mg/L CaCO3; Concentration: 36.9 mmol/L for 24 hr
LC50; Species: Spirostomum ambiguum (Protozoa); Conditions: freshwater, static, 25 deg C, pH > or =7.4, hardness 2.8 mg/L CaCO3; Concentration: 36.7 mmol/L for 48 hr
EC50; Species: Photobacterium phosphoreum (Bacteria); Conditions: microtox toxicity analyzer; Concentration: 80 mg/L for 5 min; Effect: inhibition of bioluminescence
LC50; Species: Artemia salina (Brine shrimp); Concentration: 1230 mg/L for 24 hr /Conditions of bioassay not specified in source examined/ /from table/
Find more information on this substance at: PubChem, PubMed