Product Description
Chemical Name:1,1′-dimethyl-4,4′-bipyridinium
Formula: C12H14N2
Molecular Weight: 257.2
CAS NO.: 4685-14-7
Appearance: Colourless, hygroscopic crystals.
Melting Point: Decomposing at 300C.
Vapour Pressure: Negligible.
Stability: 700, 000 mg/L in water at 25C easily soluble in water, slightly soluble in short-China alcohol, practically insoluble in most other-organic solvents. Stability stable in neutral and acidic media, but readily oxidized in alaline media. Tech salts are corrosive to common metals.
Toxicity: Oral LD50 150 mg/kg, dermal LD50 ( rabbits) is greater than 236-325 mg/kg.
Specification: 42%TC, 20%AS
Uses: Paraquat is quick touch-killing herbicide than lose activity in earth and without leaving toxicity in the soil. Widely applied to the weeding in gardens and woods. Also applied to cotton, soybeans etc. The controlling indexes of Paraquat Technical Concentrates
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