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Fenvalerate
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Chemical name: |
Fenvalerate |
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CAS No.: |
51630-58-1
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Empirical formula: |
C25H22ClNO3
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Structural formula: |
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Molecular mass: |
419.92 |
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Basic chemical and physical data: |
Fenvalerate technical is yellow oil liquid, a mixture of 4 isomers. Density: 1.175 ; boiling point: 300℃ (4933Pa, 37mmHg), vapor pressure: 37.3μPa (25℃), refractive index: 1.5655 (21.5℃). Solubility (20℃): <1mg/L in water, 77g/L in hexane, greater than 450g/L in the solvents e.g. acetone, ethanol, chloroform, xylene, cyclohexanone. Stability: Stable to heat, no decompose at 75℃ for 100h; stable in acidic condition, unstable in basic condition with pH>8. |
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Usage: |
Fenvalerate is a synthetic pyrethroid insecticide that has both contact and stomach poison action, broad spectrum, but it’s of no effect to acarus. It is used to control the pests on cotton, and also for tobacco, soybean maize, fruit trees, and vegetables. It is also used to control the pests in livestock and storage. |
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Toxicity: |
Acute oral toxicity LD50: 300 – 630mg/kg in rats, 200 – 300mg/kg in mice, greater than 2000mg/kg in pheasant, 9932mg/kg in mallard. Acute dermal toxicity LD50 is greater than 4300mg/kg in rats. Fish t |
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Storage: |
Fenvalerate shall be stored in a cool, dry and well ventilated place. It should not be stored or transported along with foods. |
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Package: |
200kg iron drum, or according to the customer’s requirements. |
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Attention: |
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Formulation: |
5%EC |
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Specification of technical: |
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Appearance: Yellow oil liquid
Content of A.I.: 92.0% min.
Moisture: 0.5% max.
Acidity (cal. as H2SO4): 0.3% max.
Insoluble substance in acetone: 0.5% max. |
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