Bismerthiazol 20% WP, 90% TECH

叶枯唑

描述：

Chemical name: N,N-methylene-bi2-amino-5-thiol-1,3,4-Thiadiazole

Physical and chemical properties:The pure product is a white long columnar crystal or light yellow loose powder, Melting point is 189 - 191°C Soluble in many organic solvents such as 2-methyl-formamide, 2-methyl vanadous, pyridine, ethyl and methanol, but it is hard to dissolve in water, the original material is a light brown powder with stable chemical property.
Toxicity: oral dosage for mouse: LD50 3180-6200mg/kg; for rats: 3160-8250mg/kg; no negative effect on rats with 0.25mg/kg feed a year

Characteristics: A systemic fungicide, having preventive and curative effects, effective for 10-15 days

Application: For the treatment of bacterial leaf spots of early, semi-late and late rice also for the treatment of bacterial striped disease

Technical grade: 20%wettable powder, 90% tech