Common name

acephate (BSI, E-ISO, (m) F-ISO, ANSI, ESA, JMAF)

IUPAC name O,S-dimethyl acetylphosphoramidothioate

Chemical Abstracts name

N-[methoxy(methylthio)phosphinoyl]acetamide

CAS RN [30560-19-1]

Formulation types: AE; CG; GR; SP; WP. 

Molecular formula: C4H10NO3PS

Molecular weight: 183.2

Properties:Colourless crystals; (tech., a colourless solid).

Physical and chemical properties:
Pure product is a white crystal, m.p. 90-91.Technical product, m.p. 70-80, d4201.35. Soluble in water and polar solvents such as methanol, ethanol, acetone and dichloromethane, dichloroethane and so on, slightly soluble in xylene , and ether. It is stable in acidic medium, however, it hydrolyzes easily in alkaline solution.

This product can be used to control many kinds of pests such as leafhoppers, sharpshooters, rice leafroilers, diamond back moth, aphids, red spiders etc on cereal, oil-bearing plant, fruit, vegetable.

 Uses: Acephate is used for beans, Brussels sprouts, cauliflower, celery, cotton, cranberries, head lettuce, mint, peanuts, peppers, and tobacco. Effective against alfalfa looper, aphids, armyworm, bagworm, bean leaf beetle, bean leafroller, blackgrass bugs, bollworm, budworm, cabbage looper, cankerworm, corn earworm, cranberry blossomworm, cutworms, diamondback moth, European corn borer, fireworm, fleahopper, grasshoppers, green cloverworm, gypsy moth, hornworm, imported cabbageworm, imported fire ants, lace bugs, leafhoppers, leafminers, leafrollers, lygus bugs, Mexican bean beetle, Mormon crickets, oak moth, saltmarsh caterpillar, soybean looper, spanworm, Sparganothis, stink bugs, tent caterpillars, threecornered alfalfa hopper, thrips, velvetbean caterpillar, webworm, and whiteflies and Insect control in forests, tobacco, and ornamentals.It is a chemical insecticide Control of a wide range of chewing and sucking insects.