BISMERTHIAZOL

Common name: Bismerthiazol

Chemical name: N,N'-Methylene-bis(2-amino-5-mercapto-1,3,4-thiadinazole)

Molecular formula: C₅H₆N₆S₄

Molecular weight: 278.3

CAS No.: 7440-69-9

Structural formula:

Physical chemistry: Form white or light yellow crystal. M.p195℃. Solubility difficultly soluble in water, soluble in acelon,methanol and pyridine. Stable stable in normal stored conditions.

Use: It is a systemic fungicide for main control of plant's bacterial diseases. It's an excellent pesticide used to control bacterial leaf blight, cercospera spot on rice and canker on orange.

Mammalian Toxicology:Oral Acute oral LD50 for rats3160-8250mg/kg.

Formulation types: 20% Bismerthiazol WP,90% Bismerthiazol TC

Packing: 20% WP, 90% TC:25kg/Fiber drum

Specification:    Active in gredient          % ≥            90
                            Water                            % ≤             0.5  
                            Acidity（as H₂SO₄）    %≤              0.3
                            Insoluble in acetone      %≤             0.3