beta-Hexachlorocyclohexane (alias of Beta-Hexachlorocyclohexane)

CAS RN:319-85-7

Ecotoxicity Values

LC50; Species: Danio rerio (Zebra danio) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98%; Concentration: 1780 ug/L for 24 hr (95% confidence limit: 1320-3590 ug/L) /98% purity/

LC50; Species: Danio rerio (Zebra danio) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98%; Concentration: 1630 ug/L for 48 hr (95% confidence limit: 1230-2480 ug/L) /98% purity/

LC50; Species: Danio rerio (Zebra danio) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98%; Concentration: 1520 ug/L for 96 hr (95% confidence limit: 1150-2040 ug/L) /98% purity/

LC50; Species: Paracheirodon axelrodi (Neon) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98 mg/L; Concentration: 1700 ug/L for 24 hr (95% confidence limit: 1130-5150 ug/L) /98% purity/

LC50; Species: Paracheirodon axelrodi (Neon) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98 mg/L; Concentration: 1100 ug/L for 96 hr (95% confidence limit: 770-1830 ug/L) /98% purity/

LC50; Species: Poecilia reticulata (Guppy) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98%; Concentration: 3140 ug/L for 24 hr (95% confidence limit: 2100-7990 ug/L) /98% purity/

LC50; Species: Poecilia reticulata (Guppy) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98%; Concentration: 2680 ug/L for 48 hr (95% confidence limit: 1810-5540 ug/L) /98% purity/

LC50; Species: Poecilia reticulata (Guppy) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98%; Concentration: 2180 ug/L for 72 hr (95% confidence limit: 1410-4530 ug/L) /98% purity/

LC50; Species: Poecilia reticulata (Guppy) weight 0.2-0.4 g, length 2.0-3.0 cm; Conditions: freshwater, static, pH 7.2, hardness 40-48 mg/L CaCO3, dissolved oxygen 98%; Concentration: 1660 ug/L for 96 hr (95% confidence limit: 1000-3550 ug/L) /98% purity/

EC50; Species: Tetrahymena pyriformis (Ciliated protozoan); Concentration: 1.2 mg/L for 3 days; Effect: growth /Conditions of bioassay not specified in source examined/

Find more information on this substance at: Hazardous Substances Data Bank , TOXMAP , TOXNET , PubMed