Zhejiang Hetian Chemical Co., Ltd.
products

Benfuracarb (90% tech, 40% SC, 20% EC, 5% GR)

Common name: benfuracarb

Chemical name: ethyl N- [2,3-dihydro-2,2-dimethylbenzofuran-7-yloxycarbonyl=(methyl)aminothio]-N-isopropyl-β-alaninate

Structural formula:

Commercial form: 90% Technical grade, 40% SC, 20% EC, 5% GR

Technical specification:

Content 90% min
Moisture 0.2% max
Alkalinity 0.05% max
Insoluble in acetone 0.1% max


Physical chemistry: Mol.wt. 410.5 M.f. C20H30N2O5S Form Viscous reddish brown liquid. B.P. 110 °C/0.023 mmHg V.p. 2.66 ×10 -2 mPa(20 °C) K ow logp=4.3 (20-22 °C, pH 7) S.g./density 1.142(20 °C) Solubility In water 8.1 mg/l(20 °C).In benzene, dichlorlmethane, methanol, acetone, hexane, xylene and ethyl acetate > 50%. Stability Stable in neutral and weakly basic media, but unstable in acidic and strongly basic media. Decomposes at 225 °C. F.p. 114 °C (closed cup).

Uses: Used to control insect pests (especially Chrysomelidae, Elateridae, Lissorhoptrus oryzophilus, Plutella xylostella and Aphididae) in citrus, maize, rice, sugar beet and vegetables.Applied mainly as soil treatment (0.5-2.0kg a.i./ha for maize, 1.0-2.5 kg/ha for vegetable, 0.5-1.0 kg/ha for sugar beet), or seed treatment (0.4-1.5 kg/100kg seed). Foliar sprays (0.3-1.0 kg/ha) are also used on vegetables and fruit; rice is treated at 1.5-4.0 g/nursery box at transplanting.

Toxicology: Oral Acute oral LD50 for male rats 222.6. female rats 205.4 mice 175, dogs 300 mg/kg. Skin and eye Acute percutaneou LD 50 for rats > 2000 mg/kg.