Abamectin

Common Name: Abamectin Chemical Name: 5-O-demethylavermectin A1a (i) mixture with 5-O-demethyl-25-de(1-methylpropyl)-25-(1-methylethyl)avermectin A1a (ii) CAS No.: 71751-41-2 Molecular Formula: C9H10ClN5O2 Molecular Weight: C48H72O14 (avermectin B1a); C47H70O14 (avermectin B1b) Physical Chemistry: Technical product is a Colourless to pale yellow crystals.Solubility:In water 7-10 mg/l (20 ). In toluene 350, acetone 100, isopropanol 70, chloroform 25, ethanol 20, methanol 19.5, n-butanol 10, cyclohexane 6 (all in g/l, 21 ). Melting Point: 161.8-169.4 (decomp.) Toxicity: Acute oral LD50 (in sesame oil) for rats 10, mice 13.6 mg/kg; (in water) for rats 221 mg/kg. Skin and eye Acute percutaneous LD50 for rabbits >2000 mg/kg. Mild eye irritant; non-irritating to skin (rabbits). Application: Acts by stimulating the release of g-aminobutyric acid, an inhibitory neurotransmitter, thus causing paralysis.Mode of action:Insecticide and acaricide with contact and stomach action. Has limited plant systemic activity, but exhibits translaminar movement. Uses: Control of motile stages of mites, leaf miners, suckers, Colorado beetles, etc. on ornamentals, cotton, citrus fruit, pome fruit, nut crops, vegetables, potatoes, and other crops. Application rates are 5.6 to 28 g/ha for mite control, 11 to 22 g/ha for control of leaf miners. Also used for control of fire ants. Phytotoxicity: May be phytotoxic to pome fruit when mixed with captan. Technical Purity: 94%Tech, 95% Tech Formulation Type:1.8%EC