Teflubenzuron 95% TC
| CAS Number | 83121-18-0 |
| Chemical Name | 1-(3,5-dichloro-2,4-difluorophenyl)-3-(2,6-difluorobenzoyl)urea |
| Molecular Weight | 381.11 g/mol |
| Molecular Formula | C₁₄H₆Cl₂F₄N₂O₂ |
| Synonyms | Teflubenzuron; Nomolt; Nongmengte (commercial names) |
| EINECS | 280-296-7 |
| Appearance | White crystals |
| Solubility | Sparingly soluble in water; soluble in organic solvents (e.g., toluene 850 g/L, cyclohexanone 20 g/L) |
| Storage Conditions | Store in a cool, dry place; protect from light; keep container tightly closed |
Parameters of teflubenzuron
| CAS Number | 83121-18-0 |
| Chemical Name | 1-(3,5-dichloro-2,4-difluorophenyl)-3-(2,6-difluorobenzoyl)urea |
| Molecular Weight | 381.11 g/mol |
| Molecular Formula | C₁₄H₆Cl₂F₄N₂O₂ |
| Synonyms | Teflubenzuron; Nomolt; Nongmengte (commercial names) |
| EINECS | 280-296-7 |
| Appearance | White crystals |
| Solubility | Sparingly soluble in water; soluble in organic solvents (e.g., toluene 850 g/L, cyclohexanone 20 g/L) |
| Storage Conditions | Store in a cool, dry place; protect from light; keep container tightly closed |
| Melting Point | 222.5 °C |
| Boiling Point | Not available (decomposes at high temperatures) |
| Density | ~1.6 g/cm³ (estimated) |
| Vapor Pressure | ~1×10⁻⁸ Pa at 25 °C (very low) |
| Water Solubility | 0.02 mg/L |
| LogP (octanol-water) | ~5.0 (estimated) |
Mechanism of Action
By inhibiting chitin synthesis in insects and interfering with the molting process of larvae, it is highly effective against larvae of pests such as the whiteflies, Lepidoptera, and Diptera, while being safe against parasitic natural enemies.
Applications
Applicable Crops: Cabbage, citrus, cotton, fruit trees, tobacco, etc.
Targets: Pieris rapae, diamondback moth, sea lice, etc.
Dosage Form:
5% Emulsion, 15% SC (Agricultural)
Technical Ingredient (96%-98% content, 25kg/drum)
Safety and Toxicity
Mammals: Acute oral LD₅₀ > 5000 mg/kg in rats, non-mutagenic.
Environmentally Friendly: Low toxicity to fish (LC₅₀ > 500 mg/L) and birds, with minimal residue.
Storage Requirements: Protect from light and moisture. Shelf life: 2 years.
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