Chemical Identification
Common Name
Rotenone
中文通用名
鱼藤酮
IUPAC
(2R,6aS,12aS)-1,2,6,6a,12,12a-hexahydro-2-isopropenyl-8,9-dimethoxychromeno[3,4-b]furo[2,3-h]chromen-6-one
CAS
(2R,6aS,12aS)-1,2,12,12a-tetrahydro-8,9-dimethoxy-2-(1-methylethenyl)[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(6aH)-one
CAS No.
83-79-4
Molecular Formula
C23H22O6
Molecular Structure
Category
Activity
Insecticide, acaricide
Premix
Fenvalerate+rotenone
Trichlorfon+Rotenone
Cube, dusts. Premix Parters: ametryn; amitrole; amitrole diuron; atrazine; diuron glyphosate; glyphosate; isoproturon; oxyfluorfen; prometon sodium chlorate sodium metaborate; terbutryn;
Physical Properties
Molecular weight:394.4; Density:0.67 (fluffed), 0.78 (packed); Melting point:163℃; 181℃ (dimorphic); Vapour pressure:<1 mPa (20 ℃); Partition coefficient(n-octanol and water):logP = 4.16; Solubility:In water 0.142 mg/ml. Readily soluble in acetone, carbon disulfide, ethyl acetate and chloroform. Less readily soluble in diethyl ether, alcohols, petroleum ether and carbon tetrachloride. Crystallises from some solvents with the formation of s; Stability:Decomposes on exposure to light and air. Racemised by alkalis to less insecticidal compounds, more rapidly in certain solvents. Extracts from derris roots can be stabilised with phosphoric acid.;
Toxicology
Oral:Acute oral LD50 for white rats 132-1500, white mice 350 mg/kg. Percutaneous:Acute percutaneous LD50 for rabbits >5.0 g/kg. Inhalation: LC50 for male rats 0.0235, female rats 0.0194 mg/l.
Environmental Profile
Ecotoxicology:
Bees:Not toxic alone to bees, but toxic in combination with pyrethrum.Fish: LC50 (96 h) for rainbow trout 1.9, bluegill sunfish 4.9 mg/l.

Environmental fate:
Animals:In rat liver and in insects, the furan ring is enzymically opened and cleaved, leaving behind a methoxy group. The principal metabolite is rotenonone. An alcohol has been found as a further metabolite, this being formed via oxidation of a methyl group of
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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