Chlorothalonil 75% WP｜Broad-Spectrum Protective Fungicide｜Cucumber Downy Mildew Control｜Grape Anthracnose Fungicide
Safety Warning: This product is an agricultural chemical. Please strictly follow safety guidelines when using. Keep away from children, food, and feed during storage.
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Product Information
| Active Ingredient: | Chlorothalonil 75% |
| CAS No. | 1897-45-6 |
| Chemical Formula | C₈Cl₄N₂ |
| Formulation | Wettable Powder (WP) |
| Appearance | White to light gray homogeneous powder |
| Packaging | 100g/bag, 500g/bag, 25kg/drum |
Physicochemical Properties
Melting Point: 250-251°C (decomposition)
Solubility (25°C):
Water: 0.6mg/L (insoluble)
Soluble in organic solvents (e.g., acetone, xylene)
Stability: Stable under light and heat; decomposes in strong alkaline conditions
Application Guidances
| Target Crops & Diseases: |
Crops: Vegetables (cucumber, tomato), fruit trees (grape, apple), tea plants, ornamental plants Diseases: Downy mildew, late blight, anthracnose, leaf spot, scab |
Usage & Dosage: |
Foliar Spray: Dilute 600-1000x with water; apply evenly to both sides of leaves. Recommended Dosage: Vegetables: 60-80g per mu (≈667m²) Fruit Trees: 80-120g per mu Tea Plants: 50-70g per mu |
Application Timing: |
Apply at early disease stages or preventively. Reapply every 7-10 days (2-3 cycles). Pre-harvest Interval (PHI): Vegetables: 7 days Fruit Trees: 14 days |
Product Performance Advantages
| Broad-Spectrum Protection: | Forms a physical barrier to block spore germination and pathogen penetration (non-systemic). |
| Strong Adhesion: | Rainfast within 4 hours after application. |
| Long-Lasting Effect: : | Provides 7-10 days of protective activity, reducing application frequency. |
| Low Resistance Risk: | Unique mode of action with no cross-resistance to systemic fungicides. |
First aid measures for poisoning
| Ingestion： | Seek immediate medical attention. Do NOT induce vomiting. Administer activated charcoal (50g for adults) with plenty of water. |
| Skin Contact： | Wash thoroughly with soap and water for ≥15 minutes; remove contaminated clothing. |
| Eye Contact： | Flush eyes with clean water for ≥15 minutes; consult a physician. |
| Inhalation： | Move to fresh air. Provide oxygen if breathing is difficult. |
Storage Requirements
Storage:
Store in a cool, dry, dark place, sealed and away from fire, food, and children.
Shelf life: 2 years in unopened original packaging.
Transportation:
Protect from moisture and crushing. Do not transport with food or feed.
Comply with Hazardous Chemicals Transport Regulations and IMDG Code
(International Maritime Dangerous Goods Code).
Precautions
1. Safety Gear: Wear protective clothing, gloves, and goggles during preparation. Avoid inhaling dust.
2. Mixing Restrictions: Do not mix with alkaline pesticides (e.g., Bordeaux mixture) or mineral oils.
3. Environmental Hazards: Highly toxic to aquatic life. Prevent contamination of rivers or ponds.
4. Sensitive Crops: Conduct field trials before use on certain pear and peach varieties.
Environmental Note: Please dispose of packaging materials properly as per requirements. Everyone is responsible for environmental protection.
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