Common Name Phoxim
Chemical Name A-[[(diethoxyphosphinothioyl)oxy]imino]benzene-acetonitrile
Cas NO. 14816-18-3
Mol. Wt. 298.3 �º C
M. F. C12H15N2O3PS
Specifications 92% TC, 40% EC, 50% EC, 75% EC, 5% GR
Physical & chemical properties Appearance: Yellow liquid; (tech., reddish-brown oil).
M. P.: 6.1 �º C
B. P.: Decomposes on distillation
V. P. 2.1 MPa (20 �º C) K
OW logP = 3.38 Henry 4.18�? 10-1 PA m3 mol-1 (calc. ) S. G. /density 1.178 (20 �º C)
Solubility In water 1.5 mg/l (20 �º C). In tolu ene, n-h exane, dichl oromethane. Slightly soluble in aliphatic hydrocarbons, vegetable and mineral oils. Stability relatively slowly hydrolysed; DT50 (est. ) 26.7 d (pH 4), 7.2 d (pH 7), 3.1 d (pH 9) (22 �º C). Gradually decomposed under u. V. Irradiation.
Toxicity Oral Acute oral LD50 for rats: >2000 mg/kg.
Skin and eye Acute percutaneous LD50 for rats: >5000 ml/kg.
Not irritating to eyes or skin (rabbits).
Inhalation LC50 (4 h) for rats >4.0 mg/l air (aerosol).
ADI (JMPR): 0.004 mg/kg b. W. [1999].
Toxicity class WHO (a. I. ) II; EPA (formulation) III EC hazard Xn;
Birds LD50 for hens 40 mg/kg.
Fish: LC50 (96 h) for rainbow trout 0.53, bluegill sunfish 0.22 mg/l.
Daphnia LC50 (48 h): 0.00081 mg/l (80% premixes)
Bees: Toxic to bees by contact and respiratory action.
Applications It's a strong contact insecticide, stomach poison and has a clear effect for larva of Lepidoptera, insects of warehouse mosquito, flying and older cotton bollworm, and a long-effect for insects of subterranean.
Application on leaf is short-effect and non-remain. Widely used for prevention and cure of insects for cotton, fruittree, vegetable, soyabean, tea, mulberry etc., such as aphid, thrips, soil, it can prevent and cure of black cutworm, click beetle, peach fruit, borer etc., and dispoes of seed of whear, corn & peanut, also for insects of soil, such as mole cricket, click beetle and so on spraying it can prevent and cure of mosquito and flying etc.