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Cyanofamidazole is used to prevent and control downy mildew and blight diseases such as cucumber downy mildew, grape downy mildew, tomato late blight, and potato late blight.
Cyanofamidazole (120116-88-3) Chinese trade name: Kejia.
Dosage form: preparation 10%SC, 40%GR
English name: Cyazofamid; 1H-Imidazole-1-sulfonamide,4-chloro-2-cyano-N,N-dimethyl-5-(4-methylphenyl)-
Chinese alias: Cyanofamidazole; Cyclofenac; 4-Chloro-2-cyano-N,N-dimethyl-5-p-tolylimidazole-1-sulfonamide; Cyazosulfanil
English alias: RANMAN; MILDICUT; IKF-916; DOCIOUS; 4-CHLORO-1-(DIMETHYLAMINOSULFONYL)-5-(P-TOLYL)IMIDAZOLE-2-CARBONITRILE; Fenamidone, Pestanal; cyazofamid (bsi, pa iso); 4- chloro-2-cyano-N,N-dimethyl-5-(4-methylphenyl)-1H-imidazole-1-sulfonamide
Former names: Cyanofamid, Kejia
Molecular weight: 324.79
Dangerous goods mark: FXn
Risk term: 11-38-48/20-63-65-67-20/21/22
Security term: 36/37-62-36
Molecular structural formula:
Cyanofamidazole (120116-88-3) Properties: light yellow odorless powdery solid
Flash point: 255.109°C
Storage conditions: -20℃
Vapor pressure: <1.33×10-5Pa
The solubility in water at 20°C is 0.121μg/mL (pH=5), and the partition coefficient is 3.2 (25°C).
The field application of Cyanofamidazole (120116-88-3) has a very high control effect on late blight and downy mildew, and the dosage is 2~38 times lower than other fungicides, such as treating potatoes at a concentration of 50~100mg/L Late blight has an outstanding control effect, and the medication period is flexible and the effect is long. Cyanofamidazole (120116-88-3) is a sulfamidazole fungicide. A super protective fungicide with special effects on downy mildew, blight, root edema, damping-off, etc., produced by Japan Ishihara Sangyo Co., Ltd. The mechanism of action is to block the electron transfer of the mitochondrial cytochrome bc1 complex in the Oomycetes to interfere with the supply of energy. Its binding site is the Q center of the enzyme, which is called QiI (Quinone inside Inhibitors) class of fungicides, and other fungicides No cross resistance. Its high selective activity against pathogens may be caused by the difference in sensitivity of the target enzyme to the agent. It has high biological activity on Oomycetes, such as Downy mildew, Pseudodownon mold, Phytophthora, Pythium, and Rhizobium brassicae of Rhizoctonia.
Production method: Take 4-methylacetophenone as raw material, firstly chlorinate, then condense with hydroxylamine, and cyclize with glyoxal to obtain intermediate substituted imidazole; then obtain intermediate substituted cyanide by chlorination and dehydration Cyanofamidazole is finally reacted with dimethylaminosulfonyl chloride to produce cyanoxazol.
Suitable crops and safety to crops Potatoes, grapes, vegetables (cucumbers, cabbage, tomatoes, onions, lettuce), lawns. Safe for crops, humans and the environment.
The control targets are downy mildew and blight such as cucumber downy mildew, grape downy mildew, tomato late blight, potato late blight, etc.
Method of use Cyanofamidazole has good protective activity, has a long lasting effect, and is resistant to rain washing. It also has certain systemic and therapeutic activity. This product can be used not only for stem and leaf treatment, but also for soil treatment (control lawn and cabbage diseases). The dosage used is 60~l00ga.i.)/hm2.
For the pesticide cyfamidazole and metconazole (hereinafter referred to as "cyfamidazole, etc."), the residue standard values related to agricultural products and food have been set (refer to the attachment). In addition, please refer to the notification No. 1129005 of the day for the experimental methods related to cyfafaazole.
This revision will be applied from the date of publication. However, among the revised reference values, the residual cyanide for "taro", "eggplant", "pumpkin", "gourd", "strawberry", "other fruits" and "other spices (except orange peel)" The reference value of frostazole will be applied from May 29, 2007.
In order to comply with the residue standard value set by the Food Sanitation Law, the change registration for the expansion of the scope of application of cyanoxazole and the registration of metconazole as a pesticide in accordance with the Pesticide Ban Act (Law No. 82 of 1948) are carried out by the Ministry of Agriculture, Forestry and Fisheries .
Cyanofamidazole is a new low-toxic bactericide, with good protective activity and certain systemic therapeutic activity, long lasting period, resistance to rain washing, safe and convenient to use. This drug is a mitochondrial respiratory inhibitor. Its bactericidal mechanism is by inhibiting the Qi in the cytochrome bcl during the metabolism of the bacteria, leading to the death of the bacteria, which is different from the methoxy acrylate drugs (which are QO inhibitors in the cytochrome bcl). It has an effect on all growth stages of oomycetes, and is active against metalaxyl-resistant or sensitive bacteria.
Applicable crops and control objects
Cyanofamidazole is mainly used to prevent and treat oomycete diseases, such as downy mildew, downy blight, blight, late blight, etc.; it can be applied to potatoes, tomatoes, peppers, cucumbers, melons, cabbage, lettuce, onions, grapes, and lychees And other plants.
Cyanofamid is mainly used to prevent and control diseases by spraying. When preventing and controlling diseases of potatoes, tomatoes, cucumbers, cabbage and other fruits and vegetables, generally use 53~66ml of 100g/l suspension agent per 667 square meters and spray 30~45 liters of water; when controlling diseases of fruit trees such as grapes and lychees, general Use 100 g/L suspending agent 2 000-2 500 times liquid spray. Start spraying before or at the beginning of the disease, once every 7 to 10 days, and use it alternately with different types of drugs.
Can not be mixed with alkaline agents. Pay attention to alternate use with different types of fungal agents to avoid the development of drug resistance.
• Dangerous goods transport code: UN1294 3/PG 2
• Hazard category code: R11
• Safety instructions: S36/37
• Dangerous goods signs: F, Xn
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