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English Name: Oxadixyl
CAS: 77732-09-3
Chemical Formula: C14H18N2O4
Molecular Weight: 278.3
InChI: InChI=1/C14H18N2O4/c1-10-5-4-6-11(2)13(10)16(12(17)9-19-3)15-7-8-20-14(15)18/h4-6H,7-9H2,1-3H3
Density: 1.1674 (rough estimate)
Melting Point: 104-105 °C
Boiling Point: 421.12°C (rough estimate)
Flash Point: >100°C
Water Solubility: 3.4 mg/L at 25 ºC
Vapor Pressure: 1.27E-05 mmHg at 25°C
Refractive Index: 1.5500 (estimate)
pKa: 1.16±0.20 (Predicted)
Storage Conditions: 0-6°C
Appearance: Neat
Merck: 13,6976
BRN: 7098783
Physical and Chemical Properties: Pure product is a white crystalline solid. Melting point 104–105℃, vapor pressure 3.3×10-6Pa (20℃). Solubility at 25℃: DMSO 39.0%, acetone 34.4%, methanol 11.2%, ethanol 50%, xylene 1.7%, water 0.34%. Partition coefficient 4.5–6.3. Stable under normal storage conditions, resistant to water, light, and heat.

Properties, Uses, and Production Process of Oxadixyl

Applications:
Oxadixyl can be used for: (1) Suitable crops like grapes, tobacco, corn, cotton, and vegetables such as cucumber, pepper, and potato. (2) Control targets include pathogens of the order Peronosporales, such as downy mildew in tobacco, cucumber, grapes, and vegetables, and it can also treat various secondary diseases like leaf spot and black rot. Specific diseases include tobacco black shank, tomato late blight, cucumber downy mildew, eggplant powdery mildew, pepper late blight, potato late blight, cabbage downy mildew, and grape downy mildew.

Mode of Action:
Oxadixyl is a highly effective systemic fungicide with both protective and curative actions. It shows strong effectiveness against Peronosporales pathogens, with a long-lasting effect. Using it mixed with mancozeb works better than mixing with Bordeaux mixture or copper-based products.