Toxicity
Oral Acute oral LD50 for male rats c. 1700, female rats 1720 mg/kg.  Skin and eye Acute percutaneous LD50 for male rats c. 810, female rats 840 mg/kg. Not a skin or eye irritant (rabbits).  Inhalation LC50 (4 h) for rats >2210 mg/m3 (aerosol).  NOEL (2 y) for rats and mice 10 mg/kg diet; (1 y) for dogs 50 mg/kg diet.  ADI (JMPR) 0.005 mg/kg b.w. [2000].  Other Not carcinogenic, mutagenic, embryotoxic or teratogenic.  Toxicity class WHO (a.i.) II; EPA (formulation) II  EC classification Xn; R22| N; R50, R53.
Applications
Mode of action Non-systemic insecticide with contact and stomach action.  Uses Control of chewing, sucking, and boring insects in cereals, soft fruit, tropical fruit, vines, rice, sugar cane, vegetables, turf, and forestry. Also used as a public health insecticide for control of household insects (flies, cockroaches, and other insects) by application to breeding sites; for control of flies in animal houses; for control of stored product insect pests; for control of mosquito larvae (as a vector control agent for malaria); and for control of locusts.
USES
Fenitrothion is a touch-kill and stomach poison insecticide; Suitable for rice stem borer, paddy borer, caterpillar, grass leaf roller, rice leafhopper, fly louse, paddy thrips, cotton aphid, cotton red spider, cotton pink boll worm, cotton bollworm, cotton leafworm, soybean budworm, limabean pod borer, tea caterpillar, tea leafhopper, peach budworm, apple small gypsy moth, armyworm etc. Fenitrothion is mainly used in rice snout moths larva.