Dragon brand "thiazole" original drug First, the name Structural formula: Molecular weight: 278.34 20% thiazole (WP) WP "Three Certificates": Ministry of Agriculture Official Registration Number of pesticides: PD86153-8 Pesticide production approval certificate: HNP33036-D0173 Second, physicochemical properties: Third, toxicity: It is a low toxicity germicide. No carcinogenic, teratogenic, mutagenic effects. Safe for fish. Acute oral LD50: the original drug mice were 3180-6200mg/kg, the original drug rat oral oral LD50 was 3160-8250mg/kg. The rats were fed with 0.25 mg/kg for one year without bad shadows. Fourth, the scope of application: Sixth, packaging: The original drug bag packaging, net weight 40kg. The preparations were 80 g, 100 g, 200 g/bag, respectively. Zhejiang Longwan Chemical Co., Ltd. Eight, "Long licensing" 20% thiazolyl (Ye Qing double) WP Usage: 1. Prevention and control of rice bacterial blight. Suitable for early, middle and late rice blight of Puta and Honda. Putian 4--5 leaves for spraying. Honda applies one time each at the onset and full heading stage, with intervals of 7-10 days, each time using 20% ​​wettable powder 100-150 grams per acre and watering 40-50 kg spray. 2, the prevention and treatment of bacterial leaf streak disease in rice. Use the same method as above. Nine, 97% Thiophene (Ye Qingshuang) original drug biological activity: Metallurgical Chemicals,Metallurgical Processing Chemical,Calcium Cyanamide Granule,Mining Metallurgical Chemical Ningxia Darong Chemicals & Metallurgy Co., Ltd. , http://www.darong-cyanamide.com
Other names: Ye Qingshuang, Ye Jingzi, Ye Kuning, Dukuning, Chuanhua-018
English Generic Name: Bismerthlazol
Chemical name: N.N'-methylene-bis(2-amino-5-thio-1,3,4-cumyl)
Experimental type: C5H6N6S4
Product quality standard number: Zhejiang B/HG182-87
97% of the original drug is white long columnar crystals or light yellow loose powder, melting point 189-191 °C. Soluble in dimethylformamide, dimethyl sulfoxide, pyridine, ethanol, methanol and other organic solvents, insoluble in water. The original drug is light brown powder and chemically stable.
It is mainly used to control bacterial diseases of plants and has better control effect on rice bacterial leaf blight and bacterial leaf streak disease and citrus canker disease. Suction fungicide. Has a good therapeutic and preventive effect. Better control of bacterial diseases. Anti-rainwater washout, 4 hours after spraying, no effect on the efficacy of rain.
V. Product Specifications:
VII. Manufacturers:
Precautions: Do not use poisonous soil method. Taboos for pregnant women are in contact with the drug. Put in a cool dry place to avoid moisture.
Thiophene (Ye Qingshuang) is a self-invasive bactericide developed in China. Thiophene (Ye Qingshuang) has been proved to be non-teratogenic by animal experiments and has been registered by the national drug inspection department and the pesticide department. The new bactericide "thiazole (Yiqing double)" is a new thiazole agent for the prevention and treatment of bacterial diseases with high efficiency and low toxicity. In 1979, he won the second prize of Zhejiang Science Conference. From 1982 to 1984, the cooperation between Wenzhou Institute of Technology and Wenzhou Agricultural Research Institute was successful. Used in Daejeon to achieve better control effect. Put into production in 1984 and won the second prize of scientific and technological achievements in Zhejiang Province. Thiophene (Ye Qingshuang) is the first new bactericide in the world, with high efficiency, low toxicity, low residue, long duration, and strong absorbability. It can control bacterial blight, bacterial leaf spot and citrus ulcers in rice. Diseases, etc. have excellent control effect.