Product Name

Diquat

Function

Herbicide

Specification

diquat 40%TKL,diquat 200g/l sl, diquat 150g/l sl

Chemical Name

6,7-dihydrodipyrido[1,2-a:2',1'-c]pyrazinediium  

CAS No.

2764-72-9

Empirical Formula

C12H12Br2N2

Toxicology

Oral Acute oral LD50 for rats 408, mice 234 mg/kg.  Skin and eye Acute percutaneous LD50 for rats >793 mg/kg. Irritating to skin and eyes (rabbits). Absorption through intact human skin is minimal; exposure can cause irritation and a delay in the healing of cuts and wounds. Can cause temporary damage to nails.  Inhalation Extreme exposure to spray droplets may cause nose bleeding.  NOEL (2 y) for rats 0.47 mg/kg b.w. daily; (4 y) for dogs 94 mg/kg diet.  ADI (JMPR) 0.002 mg cation/kg b.w. [1993]; (EPA) 0.005 mg cation/kg b.w. [1995].  Water GV 10 mg cation/kg b.w. (provisional; based on ADI).  Toxicity class WHO (a.i.) II (cation); EPA (formulation) II (a.i.)  EC classification T+; R26| T; R48/25| Xn; R22| Xi; R36/37/38| R43| N; R50, R53  

Ap plications

Diquat Mode of action Non-selective contact herbicide and desiccant, absorbed by the foliage, with some translocation in the xylem. Diquat Uses Pre-harvest desiccation of cotton, flax, alfalfa, clover, lupins, oilseed rape, poppies, soya beans, peas, beans, sunflowers, cereals, maize, rice, sugar beet, and other seed crops; destruction of potato haulms; and stripping of hops. Control of annual broad-leaved weeds in vines, pome fruit, stone fruit, bush fruit, strawberries (also control of runners), citrus fruit, olives, hops, vegetables, ornamental plants and shrubs, and other crops. Control of emergent and submerged aquatic weeds. Weed control on non-crop land. Weed control and tassel inhibition in sugar cane. Application rates 400-1000 g/ha. Diquat Formulation types SL

Package

200KG/Drum, 5L/Drum, 1L/Bottle, etc