Paraquat[1910-42-5]

Common Name: paraquat
Other Name: Gramoxone,Dextrone X,Esgram
Structure Formula:
Formula weight: 257.2
Chemical Name: 1,1-dimethyl-4,4'£­bipyridinium paraquat dichloridc;N,N'-dimethyl-gamma,gamma'-bipyridylium dichloride;methyl viologen dichloride;1,1'-dimethyl-4,4'-Bipyridinium dichloride;N,N'-dimethyl-gamma,gamma'-bipyridylium;methl viologen(2+);Prelude;Grammoxone;paraquat+linuron+motolachlor;Starfire 1.5;orthoparaquat;1,1'-Dimethyl-4,4'-bipyridinium;1.1'-Dimethyl-4,4'-bipyridinium cation;1,1'-Dimethyl-4,4'-bipyridinium dication;1,1'-Dimethyl-4,4'-bipyridinium ion;Paraquat dication;Paraquat ion;
CAS NO: 1910-42-5

Physical & Chemical Properties:
Colorless crystalline solid, Stable except under alkaline conditions. No measurable vapor pressure. Decomposes at approximately 300¡æ. Sparingly soluble in lower alcohols, insoluble in hydrocarbons.

Characteristic:
Destroy the tissues of the green plants. As contact herbicide before and after crop emergence on plantation and vegetable crops, in orchards, for aquatic weed control, stubble clearing and pasture renovation.

Products: 42% paraquat TECH(m/v)
Packing: 200kg/iron barrel
Toxicology:
acute oral LD₅₀ for mouse is 112-150 mg/kg
For female rabbit is 240 mg/kg.

Application:
1.for weed control around trees in orchards and plantations, by directed application.
2.between rows of growing crops, and as cotton defoliant and dessicant on various crops, particularly potato haulm and sugar cane. Application rates usually range from 250 to 1500g/ha.
3.Used for grass and stubble clearing. Appliation rates up to 2200g/ha.