Azoxystrobin Strobilurin Fungicide Active Ingredient
CAS Number: 131860-33-8
Azoxystrobin is a broad-spectrum strobilurin (QoI) fungicide that inhibits mitochondrial respiration in fungi by blocking electron transport at the Qo site of cytochrome bc1 complex. It controls a wider range of diseases than any other single fungicide class, including Ascomycetes, Basidiomycetes, Deuteromycetes, and Oomycetes, covering diseases such as powdery mildew, rusts, scabs, blights, and downy mildew. Azoxystrobin also provides plant health benefits including improved nitrogen use efficiency and stress tolerance.
Technical Specifications
| appearance | White crystalline powder |
| moisture (%) | ≤0.5 |
| pH (1% suspension) | 5.5–8.5 |
| melting point (°C) | 116–117 |
| active ingredient (%) | ≥97 |
| solubility in water (mg/L, 20°C) | 6.7 |
Applications
- Rice sheath blight and blast disease management
- Vegetable and fruit downy mildew and late blight
- Wheat and barley powdery mildew and leaf spot
- Grape downy mildew and botrytis control
- Seed treatment for broad-spectrum disease protection
Key Features
- Widest disease spectrum of any commercial fungicide active
- Unique dual activity: foliar and systemic redistribution
- Plant health benefits: improved NUE and greening effect
- Key mixture partner in premix products with triazoles (e.g., Amistar Top)
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CAS Number
131860-33-8
Category
Agricultural / Crop ChemicalsAvailability
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