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Azoxystrobin Basic information | ||
Product Name: | Azoxystrobin + Tebuconazole | |
CAS: | 131860-33-8;80443-41-0 | |
MF: | C22H17N3O5; C16H22ClN3O | |
MW: | 403.39; 307.82 | |
Azoxystrobin Chemical Properties | ||
Melting point | 118-119°; 102-105 ºC | |
Boiling point | 581.3±50.0 °C(Predicted) | |
Density | 1.33 | |
Vapor pressure | 1.1 x 10-10 Pa (25 °C) | |
Safety Information | ||
Hazard Codes | T;N,N,T | |
RIDADR | UN 2811 | |
WGK Germany | 2 | |
Azoxystrobin Usage And Synthesis | ||
Description | Azoxystrobin is a second broad-spectrum strobilurin fungicide (28,29). It forms white solids with a mp = 116 ?C; vp = 1.1 × 10?7 mPa at 25 ?C; logP = 2.5 at 20?C; water solubility = 6 mg/L; and a half-life of 11 to 17 days for aqueous photolysis. | |
Chemical Properties | White to beige crystalline solid or powder. | |
Uses | Strobilurin fungicide; inhibits mitochondrial respiration by blocking electron transfer between cytochromes b and c1. Agricultural fungicide. Azoxystrobin has a very broad spectrum of activity and is active against fungal pathogens from all four taxonomic groups, the Oomycetes, Ascomycetes, Deuteromycetes and Basidiomycetes. It controls diseases on cereals, rice, vines, apples, peaches, bananas, citrus, curcurbits, potatoes, tomatoes, peanuts, coffee and turf. | |
Agricultural Uses | Fungicide: Azoxystrobin has been processed as a Reduced Risk pesticide for Turf uses. Azoxystrobin is a systemic, broad-spectrum fungicide that was first introduced in 1998. It inhibits spore germination and is used on grape vines, cereals, potatoes, apples, bananas, citrus, tomatoes and other crops. Largest crop uses in California are on almonds, rice, pistachios, wine grapes, raisins and garlic. Among the diseases it controls are rusts, downey and powdery mildew, rice blast and apple scab. A U.S. EPA restricted Use Pesticide (RUP) | |
Safety Profile | Moderately toxic by inhalation.When heated to decomposition it emits toxic vapors ofNOx. | |
Toxicity evaluation | Azoxystrobin has an acute oral LD50 > 5,000 and an acute dermal LD50 > 2,000 mg/kg in rats. Azoxystrobin gives only slight skin and eye irritation and is nonmutagenic and nonteratogenic. Its NOEL is 18 mg/kg bw/day. It has no toxicity to birds in acute studies (LD50 > 2,000 mg/kg). It is harmless to other nontarget organisms (honey bees, earthworms, beneficial arthropods) due to low toxicity and rapid degradation in the environment, which minimizes exposure. | |












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