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Home » Offer Board » Chemicals » Agricultural Chemicals » Herbicide & Weedicide » Paraquat

Paraquat

Paraquat
Paraquat
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Offer Type: Sell
Offer Post Time: May 31, 2012
Expiration Date: Aug 26, 2012
Details: Common name: Paraquat
CAS No. 4685-14-7
Molecular Formula: C12H14Cl2N2
Molecular Weight: 257.16
Packaging Details: 200L/Iron Drum or Upon Request
Payment Terms: L/C, T/T
Supply Ability: 150 Ton per Month
Place of Origin: China
Specification: Content of a. I.: Min, 42%Tk, V. P.: 1X10 -9 mm Hg, Solubility( 20 Centidegree): 620 g/l in water, Chemical Stability: It is stable in neutral and acidic medium but unstable in alkali condition. The hydrolysis speed is greatly in fluenced by temperature and alkalinity. Photostability: Decomposed by UV radiation in aqueous solution

Physical and chemical properties:
A. Appearance: White crystalline solids
B. Relative Density: 1.24-1.26 (20/20)
C. Melting Point: 300 Centidegree
D. Vapor Pressure: <1.33X10-8kPa.
E. Solubility: Freely soluble in water; Practically insoluble in hydrocarbons; Sparingly soluble in lower alcohol.

Toxicity:
A. Oral: LD50 rat (Acute): 112-150 mg/kg
B. LD50 mice (Acute): 104 mg/kg
C. Dermal: LD50 rat, 500 mg/kg
D. LD50 rabbit: 204 mg/kg
Functions: Paraquat is used to control broad-leaved weeds and grasses, being less effective on deep rooted plants such as dandelions. It does not harm mature bark, and is thus widely used for weed control in fruit orchards and plantation crops, including coffee, cocoa, coconut, oil palms, rubber, bananas, vines, olives and tea, ornamental trees and shrubs and in forestry. Other uses include weed control in alfalfa, onion, leeks, sugar beet, asparagus. It is used for weed control on non-crop land and can be used as a defoliant for cotton and hops before harvesting. Paraquat is used as a desiccant for pineapples, sugar cane, soya beans and sunflower.

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