1,1,2,2-Tetrachloroethane

CAS RN:79-34-5

Ecotoxicity Values

LC50; Species: Daphnia magna /(Water flea)/; Conditions: static unmeasured bioassay; Concentration: 9,320 ug/L for 48 hr
LC50; Species: Lepomis macrochirus (Bluegill); Conditions: static unmeasured bioassay; Concentration: 21,300 ug/L for 96 hr
LC50; Species: Pimephales promelas (Fathead minnow); Conditions: flow-through bioassay with measured concentrations, 25.6 deg C, dissolved oxygen 7.8 mg/L, hardness 45.2 mg/L calcium carbonate, alkalinity 43.4 mg/L calcium carbonate and pH 7.28; Concentration: 20.3 mg/L for 96 hr (confidence limit 19.9-20.7 mg/L)
LC50; Species: Mysiodopsis bahia (Mysid shrimp); Conditions: static unmeasured bioassay; Concentration: 9,020 ug/L for 96 hr
LC50; Species: Cyprinodon variegatus (Sheepshead minnow); Conditions: static unmeasured bioassay; Concentration: 12,300 ug/L for 96 hr
LC50; Species: Selenastrum capricornutum /algae/; Concentration: 136,000-146,000 ug/L for 96 hr /Conditions of bioassay not specified/
LC50; Species: Skeletonema costatum (alga); Concentration: 6,230-6,440 ug/L for 96 hr /Conditions of bioassay not specified/
LC50; Species: Poecilia reticulata (Guppy); Concentration: 37 mg/L for 7 days /Conditions of bioassay not specified/
LC50; Species: Daphnia magna /(Water flea)/; Concentration: 62 mg/L for 48 hr /Conditions of bioassay not specified/
EC50; Species: Daphnia magna /(Water flea)/; Concentration: 14 mg/L for 28 days; Effect: reproductive impairment /Conditions of bioassay not specified/
EC50; Species: Selenastrum capricornutum (alga); Concentration: 136,000 ug/L for 96 hr; Effect: Chlorophyll a /Conditions of bioassay not specified/
EC50; Species: Selenastrum capricornutum (alga); Concentration: 146,000 ug/L for 96 hr; Effect: Cell numbers /Conditions of bioassay not specified/
EC50; Species: Skeletonema costatum (alga); Concentration: 6,440 ug/L for 96 hr; Effect: Chlorophyll a /Conditions of bioassay not specified/
EC50; Species: Skeletonema costatum (alga); Concentration: 6,230 ug/L for 96 hr; Effect: Cell count /Conditions of bioassay not specified/
EC50; Species: Scenedesmus subspicata (Algae); Concentration: 26 mg/L for 72 hr; Effect: inhibition of growth /Conditions of bioassay not specified in source examined/
EC50; Species: Daphnia magna (Water flea); Concentration: 23 mg/L for 48 hr (unfed); 25 mg/L for 48 hr (fed); Effect: immobilization
LC50; Species: Jordanella floridae (Flagfish) juvenile: 2- to 4-month-old; Conditions: flow-through toxicity test; Concentration: 18.5 mg/L for 96 hr
LC50; Species: Jordanella floridae (Flagfish) juvenile: 2- to 4-month-old; Conditions: static-renewal; Concentration: 26.8 mg/L for 96 hr
LD50; Species: Eisenia fetida (Earthworm) 300-500 mg; dermal 14 ug/sq cm for 48 hr
Find more information on this substance at: Hazardous Substances Data Bank , TOXNET , PubMed