Product Name

diuron

Function

Herbicide

Specification

98%TC, 80%wp, 25%wp

Chemical Name

N'-(3,4-dichlorophenyl)-N,N-dimethylurea  

CAS No.

330-54-1

Empirical Formula

 C9H10Cl2N2O

Toxicology

Oral Acute oral LD50 for rats >3000 mg/kg.  Skin and eye Acute percutaneous LD50 for rabbits >2000 mg/kg for 80% WG. Mild eye irritant (WP formulation) (rabbits); non-irritating to intact skin (50% aqueous paste) (guinea pigs). Non-sensitising to skin (guinea pigs).  Inhalation LC50 (4 h) for rats >5 mg/l.  NOEL (2 y) for rats 250, dogs 125 mg/kg diet (H. C. Hodge et al., Food Cosmet. Toxicol., 1967, 5, 513).  ADI (EPA) 0.002 mg/kg.  Toxicity class WHO (a.i.) U; EPA (formulation) III  EC classification R40| Xn; R22, R48/22| N; R50, R53  

Applications

Diuron  Mode of action Systemic herbicide, absorbed principally by the roots, with translocation acropetally in the xylem.   Diuron  Uses Total control of weeds and mosses on non-crop areas, at 10-30 kg/ha. Selective control of germinating grass and broad-leaved weeds in many crops, including asparagus, tree fruit, bush fruit, citrus fruit, vines, olives, pineapples, bananas, sugar cane, cotton, peppermint, alfalfa, forage legumes, cereals, maize, sorghum, and perennial grass-seed crops, at 0.6-4.8 kg/ha. Phytotoxic residues in soil disappear within 1 season at these lower rates.   Diuron  Formulation types SC; WG; WP