Metalaxyl Technical: Premium Fungicide for Agricultural Protection
Metalaxyl Technical is a systemic fungicide specifically formulated for controlling diseases caused by Phytophthora and Pythium species in various crops. With over two decades of proven efficacy, this technical-grade active ingredient provides reliable protection for your agricultural investment.
Key Product Specifications:
- Chemical Name: Methyl N-(methoxyacetyl)-N-(2,6-xylyl)-DL-alaninate
- CAS Number: 57837-19-1
- Molecular Formula: C₁₅H₂₁NO₄
- Appearance: White to off-white crystalline powder
- Purity: ≥ 98%
- Melting Point: 71-72°C
Technical Parameters:
| Parameter |
Specification |
Test Method |
| Active Ingredient Content |
≥ 98% |
HPLC |
| Water Content |
≤ 0.5% |
Karl Fischer |
| Acetone Insoluble |
≤ 0.5% |
Gravimetric |
| pH Range |
6.0-8.0 |
pH Meter |
| Bulk Density |
0.5-0.7 g/cm³ |
Volumetric |
Metalaxyl Technical FAQ Section
FAQ 1: What crops is Metalaxyl Technical most effective for?
Metalaxyl Technical demonstrates exceptional efficacy in protecting a wide range of crops including potatoes, tomatoes, tobacco, peppers, cucurbits, onions, and ornamental plants. It's particularly effective against late blight in potatoes and tomatoes, as well as damping-off diseases in various seedlings. The systemic action of Metalaxyl Technical allows it to protect both treated and new growth, providing comprehensive disease control throughout the growing season.
Application Guidelines:
| Crop |
Target Disease |
Application Rate |
Method |
| Potatoes |
Late Blight |
0.5-1.0 kg/ha |
Foliar spray |
| Tomatoes |
Late Blight |
0.25-0.75 kg/ha |
Foliar spray |
| Tobacco |
Black Shank |
0.5-1.0 kg/ha |
Soil drench |
FAQ 2: How does Metalaxyl Technical compare to other fungicides in its class?
Metalaxyl Technical offers several advantages over similar fungicides: (1) Superior systemic mobility within plants, (2) Longer residual activity (typically 14-21 days), (3) Ability to control both foliar and soil-borne diseases, and (4) Excellent curative properties when applied early in disease development. Unlike contact fungicides, Metalaxyl Technical is absorbed by plant tissues and translocated to new growth, providing protection even in untreated areas. When used in rotation with other fungicides, it helps prevent resistance development in pathogen populations.
Storage and Handling:
- Store in original container in a cool, dry, well-ventilated area
- Keep away from food, feed, and water sources
- Recommended storage temperature: 5-30°C
- Shelf life: 2 years from manufacturing date when stored properly
FAQ 3: What safety precautions should be taken when handling Metalaxyl Technical?
When handling Metalaxyl Technical, wear appropriate personal protective equipment including chemical-resistant gloves, protective eyewear, and a dust mask or respirator. Avoid inhalation of dust and contact with skin or eyes. Wash thoroughly with soap and water after handling. In case of accidental exposure, seek medical advice immediately. For large-scale applications, use engineering controls to minimize dust generation. Always follow local regulations and the product label instructions for safe handling and application. Metalaxyl Technical should be stored away from children and animals in its original labeled container.
Environmental Considerations:
| Parameter |
Value |
Notes |
| Soil Half-life |
7-70 days |
Varies with soil type |
| Water Solubility |
8.4 g/L (20°C) |
Moderately soluble |
| Photodegradation |
Slow |
Stable to sunlight |
Compatibility and Mixing:
Metalaxyl Technical is compatible with most commonly used fungicides, insecticides, and fertilizers. For tank mixing, always conduct a jar test first to check for compatibility. It mixes particularly well with contact fungicides to provide both protective and curative action. When mixing with alkaline products, prepare the spray solution immediately before application as alkaline conditions may reduce efficacy.
