Description:
Common Name: Paraquat
Chemical Name: 1,1'-dimethyl-4,4'-bipyridinium
CAS No.: 1910-42-5
HS Code: 38083019
Molecular Formula: C12H14N2Cl2
Molecular Weight: 257.20
Physical Properties:
Appearance: Paraquat salts are colorless, white, or pale yellow crystalline solids, which are hygroscopic and odorless.
Water Solubility: 700,000 mg/L at 20¡æ
Solubility in Other Solvents: Dichloride salt is sparingly soluble in lower alcohols
Melting Point: Decomposes at 300¡æ
Vapor Pressure: Negligible at room temperature (paraquat dichloride)
Partition Coefficient: 4.4683
AdsorptionCoefficient: 1,000,000 (estimated)
Application:
Paraquat is a quaternary nitrogen herbicide widely used for broadleaf weed control. It is a quick-acting, nonselective compound, that destroys green plant tissue on contact and by translocation within the plant. It has been employed for killing marijuana in the U.S. and in Mexico. It is also used as a crop desiccant and defolian
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