propanil CAS NO.709-98-8

Product Name

propanil 

Function

Herbicide

Specification

36% ec, 360g/l ec,96%TC

Chemical Name

N-(3,4-dichlorophenyl)propanamide  

CAS No.

709-98-8

Empirical Formula

C9H9Cl2NO

Toxicology

Oral Acute oral LD50 for rats >2500, mice c. 1800 mg/kg.  Skin and eye Acute percutaneous LD50 (24 h) for rats >5000 mg/kg. Not irritating to skin and eyes (rabbits). Not a skin sensitiser (guinea pigs).  Inhalation LC50 (4 h) for rats >1.25 mg/l air (dust).  NOEL (2 y) for rats 400, dogs 600 mg/kg diet.  ADI (US) 0.005 mg/kg b.w.  Water GV 20 mg/l (TDI 5 mg/kg b.w.).  

Applications

Biochemistry Photosynthetic electron transport inhibitor at the photosystem II receptor site. Mode of action Selective contact herbicide with a short duration of activity. Uses Contact herbicide used post-emergence in rice, at 2.5-5.0 kg/ha, to control broad-leaved and grass weeds, including Amaranthus retroflexus,Digitaria spp., Echinochloa spp., Panicum spp., and Setaria spp. Also used, in mixture with MCPA, in wheat. A mixture with carbaryl is used in citrus crops grown in sod culture. Phytotoxicity Phytotoxic to many broad-leaved crops. Normally phytotoxic to crops which have been treated with organophosphate or carbamate insecticides.