Hydrogen cyanide

CAS RN: 74-90-8

Ecotoxicity Values

LC50; Species: Asellus communis; Concentration: 2295 ug/L for 96 hr /Conditions of bioassay not specified/
LC50; Species: Gammarus pseudolimnaeous; Concentration: 169 ug/L for 96 hr /Conditions of bioassay not specified/
LC50; Species: Lagodon rhomboides (Pinfish) length 57-113 mm; Conditions: saltwater, static, 13.7-20.4 deg C; Concentration: 69 ug/L for 24 hr
LC50; Species: Lepomis humilis (sunfish); Concentration: 0.18 mg/L for 24 hr /Conditions of bioassay not specified/
LC50; Species: Lepomis macrochirus (bluegill) swim up fry; Conditions: flow through bioassay; Concentration: 232-365 ug/L for 96 hr
LC50; Species: Lepomis macrochirus (bluegill) juvenile; Conditions: flow through bioassay; Concentration: 75-125 ug/L for 96 hr
LC50; Species: Perca flavescens (yellow perch) eggs; Condition: flow through bioassay; Concentration: >276-389 ug/L for 96 hr
LC50; Species: Perca flavescens (yellow perch) juvenile; Conditions: flow through bioassay; Concentration: 76-108 ug/L for 96 hr
LC50; Species: Salvelinus fontinalis (brook trout) eggs; Conditions: flow through bioassay; Concentration: >212 to >242 ug/L for 96 hr
LC50; Species: Salvelinus fontinalis (brook trout) sac fry; Conditions: flow through bioassay; Concentration: 108-518 ug/L for 96 hr
LC50; Species: Salvelinus fontinalis (brook trout) swim up fry; Conditions: flow through bioassay; Concentration: 56-106 ug/L for 96 hr
LC50; Species: Salvelinus fontinalis (brook trout) juvenile; Conditions: flow through bioassay; Concentration: 53-143 ug/L for 96 hr
LC50; Species: Oncorhynchus mykiss (rainbow trout); Conditions: flow through; Concentration: 57 ug/L for 96 hr
LC50; Species: Oncorhynchus mykiss (rainbow trout); Concentration: 68 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Pimephales promelas (fathead minnow) eggs; Conditions: flow through bioassay; Concentration: 121-352 ug/L for 96 hr
LC50; Species: Pimephales promelas (fathead minnow) juvenile; Conditions: flow through bioassay; Concentration: 82-137 ug/L for 96 hr
LC50; Species: Pimephales promelas (fathead minnow) juvenile, wild stock; Conditions: flow through bioassay; Concentration: 157-191 ug/L for 96 hr
LC50; Species: Goniobasis livescens (snail); Concentration: 760,000 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Lymnaea emarginata (snail); Concentration: 3,300 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Lymnaea sp, (snail) embryo; Concentration: 51,900 ug/L for 96 hr
LC50; Species: Physa integra (snail); Concentration: 1,350 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Stemonema rubrum (mayfly); Concentration: 500 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Hyfropsyche sp (caddisfly); Concentration: 2,000 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Pimephales promelas (fathead minnow); Concentration: 240 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Pimephales promelas (fathead minnow) juvenile; Concentration: 120 ug/L for 5 days /Conditions of bioassay not specified/
LC50; Species: Pimephales promelas (fathead minnow) juvenile; Concentration: 123 ug/L for 96 hr /Conditions of bioassay not specified/
LC50; Species: Lepomis macrochirus (bluegill) juvenile; Concentration: 134 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Lepomis macrochirus (bluegill) juvenile; Concentration: 154 ug/L for 72 hr /Conditions of bioassay not specified/
LC50; Species: Lepomis macrochirus (bluegill); Concentration: 160 ug/L for 48 hr /Conditions of bioassay not specified/
LC50; Species: Perca flavescens (yellow perch) embryo; Concentration: 281 ug/L for 96 hr /Conditions of bioassay not specified/
LC50; Species: Oncorhynchus mykiss (Rainbow trout) juvenile, weight 11.79 (9.05-15.98) g, length 102 (95-110) mm; Conditions: freshwater, flow through, 6 deg C, pH 8.06 (7.9-8.1), hardness 127 mg/L CaCO3, alkalinity 87 mg/L CaCO3, dissolved oxygen 89.2% (88.2-90.1%); Concentration: 28 ug/L for 96 hr (95% confidence interval: 24-35 ug/L)
LC50; Species: Oncorhynchus mykiss (Rainbow trout) juvenile, weight 12.41 (8.29-16.02) g, 102 (90-111) mm; Conditions: freshwater, flow through, 12 deg C, pH 8.10 (8.06-8.11), hardness 127 mg/L CaCO3, alkalinity 87 mg/L CaCO3, dissolved oxygen 97.1% (95.2-98.5%); Concentration: 42 ug/L for 96 hr (95% confidence interval: 38-46 ug/L)
LC50; Species: Oncorhynchus mykiss (Rainbow trout) juvenile, weight 13.9 (9.63-17.21) g, 106 (95-119) mm; Conditions: freshwater, flow through, 18 deg C, pH 7.82 (7.78-7.90), hardness 127 mg/L CaCO3, alkalinity 87 mg/L CaCO3, dissolved oxygen 86.8% (85.7-88.3%); Concentration: 68 ug/L for 96 hr (95% confidence interval: 64-72 ug/L)
LC50; Species: Pimephales promelas (Fathead minnow) age 13 wk juvenile, length 30.8 mm, weight 0.289 g; Conditions: freshwater, flow through, 20.0 deg C, pH 7.559, alkalinity 193 mg/L CaCO3, dissolved oxygen 7.56 mg/L; Concentration: 117 ug/L for 96 hr (95% confidence interval: 102-135 ug/L)
LC50; Species: Pimephales promelas (Fathead minnow) age 13 wk juvenile, length 30.8 mm, weight 0.289 g; Conditions: freshwater, flow through, 20.1 deg C, pH 6.83, alkalinity 96 mg/L CaCO3, dissolved oxygen 7.65 mg/L; Concentration: 124 ug/L for 96 hr (95% confidence interval: 107-144 ug/L)
LC50; Species: Pimephales promelas (Fathead minnow) age 13 wk juvenile, length 30.8 mm, weight 0.289 g; Conditions: freshwater, flow through, 20.0 deg C, pH 8.286, alkalinity 240 mg/L CaCO3, dissolved oxygen 7.66 mg/L; Concentration: 133 ug/L for 96 hr (95% confidence interval: 126-140 ug/L)
LC50; Species: Pimephales promelas (Fathead minnow) age 13 wk juvenile, length 30.8 mm, weight 0.289 g; Conditions: freshwater, flow through, 20.1 deg C, pH 8.672, alkalinity 244 mg/L CaCO3, dissolved oxygen 7.59 mg/L; Concentration: 133 ug/L for 96 hr (95% confidence interval: 128-138 ug/L)
LC50; Species: Pimephales promelas (Fathead minnow) age 13 wk juvenile, length 30.8 mm, weight 0.289 g; Conditions: freshwater, flow through, 20.0 deg C, pH 8.974, alkalinity 243 mg/L CaCO3, dissolved oxygen 7.71 mg/L; Concentration: 152 ug/L for 96 hr (95% confidence interval: 140-165 ug/L)
LC50; Species: Pimephales promelas (Fathead minnow) age 13 wk juvenile, length 30.8 mm, weight 0.289 g; Conditions: freshwater, flow through, 20.2 deg C, pH 9.262, alkalinity 250 mg/L CaCO3, dissolved oxygen 7.63 mg/L; Concentration: 157 ug/L for 96 hr (95% confidence interval: 142-173 ug/L)
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