CAS 70124-77-5 corresponds to Flucythrinate, which is a fluorinated synthetic pyrethroid insecticide with contact and gastric toxicity, no systemic absorption, and highly toxic to fish and bees.

Core Information
-Chinese name: Fenpropathrin (alias: Fenpropathrin)
-English name: Flucythrinate
-Molecular formula: C ₂₆ H ₂ ∝ F ₂ NO ₄
-Molecular weight: 451.46
-Appearance: Pure amber viscous liquid
-Main use: Agricultural and sanitary insecticide, prevention and control of Lepidoptera, Diptera pests and mites

Physicochemical properties
-Density: Approximately 1.19-1.22 g/cm ³
-Water solubility: Almost insoluble in water (~65 mg/L)
-Fat solubility: easily soluble in organic solvents such as acetone and xylene
-Stability: Stable in acidic to neutral environments, easily hydrolyzed under alkaline conditions (half-life of approximately 6.3 days at pH 9)
-Flash point: approximately -18 ° C

Toxicity and Safety
-Acute toxicity: Oral LD50 in rats is approximately 67-81 mg/kg (moderate toxicity)
-Environmental hazards: extremely low LC50 for fish and extremely high toxicity for bees; GHS classification contains H410 (highly toxic to aquatic organisms and has long-term effects)
-Usage taboos: It is strictly prohibited to pollute water bodies, mulberry fields, and bee farms; Do not mix with alkaline substances

Application and Precautions
-Control targets: tea caterpillars, cotton bollworms, cabbage caterpillars, red spider mites, etc; Simultaneously possessing acaricidal and tick killing activities
-Function characteristics: efficient, broad-spectrum, fast knockdown, but prone to developing interactive resistance
-Residue management: Tea and other crops have strict maximum residue limit standards (such as NY 661-2003)

This substance is mainly used as a pesticide raw material, and some high-purity products are also used as analytical standards; In scientific research, it is occasionally used as a ligand for nuclear receptors, but not for the main purpose.

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Flucythrinate CAS 70124-77-5
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