TECHNICAL SPECIFICATION
|
TECHNICAL SPECIFICATION |
|
ITEM |
STANDARD |
|
Appearance |
Light yellow clear liquid |
|
Abamectin (B1), g/L |
≥ 18.0 |
|
Water, % |
≤ 0.6 |
|
pH |
4.5~7.0 |
Abamectin pesticide
MF: C48H72O14 (avermectin B1[X|a|X]); C47H70O14 (avermectin B1[X|b|X])
CAS No: 71751-41-2; 65195-55-3; 65195-56-4
MW: 873.1 (avermectin B1a); 860.1 (avermectin B1b)
MP: 161.8-169.4º C(decomp)
VP: <3.7*10-3 MPa (25º C)
SG: 1.18 (22º C)
Appearance: A mixture containing > 80% avermectin B1a (I) and < 20% avermectin B1b (II). Colourless to pale yellow crystals.
Formulation types: 95%TECH, 1.8% 1.0%EC
Solubility.: In water 7-10 μ G/l (20º C). In toluene 350, acetone 100, isopropanol 70, chloroform 25, ethanol 20, methanol 19.5, n-butanol 10, cyclohexane 6 (all in g/l, 21º C).
Stability: Stable to hydrolysis in aqueous solutions at pH 5, 7, and 9 (25º C). Sensitive to stronger acid and base. U. V. Irradiation causes conversion first to the 8, 9-Z-isomer, then to unidentified decomposition products.
Toxicological information:
Oral: Acute oral LD50 for rats 10, mice 13.6 mg/kg (in sesame oil).
Skin and eye: Acute percutaneous LD50 for rabbits >2000 mg/kg. Mild eye irritant; Non-irritating to skin (rabbits).
Purpose: Control of motile stages of mites, leaf miners, suchers, Colorado beetles, etc. On ornamentals, cotton, citrus fruit, pome fruit, nut crops, vegetables, potatoes, and oter crops. Application rates are 5.6 to 28 g/ha for mite control, 11 to 22 g/ha for control of leaf miners. Also userd for control og fire ants.
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