Bismerthiazol 20% WP

Chemical name:N,N-methylene-bi2-amino-5-thiol-1,3,4-Thiadiazole
                       ToxicityLow toxicity,oraltechnical gradeLD503160*8250 mg/kg,and the TLm96

                       hoursof carps is 500 ppm

Physical and chemical properties:
1) The pure product is a white long columnar crystal or light yellow loose
powder
2) Melting point is 189 - 191°C
3) 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
4) 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 andcurative 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