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English name: benoxacor
English alias: benoxacor; primextras; (±)2,2-dichloro-1-(3,4-dichloro-3-methyl-2H-1，4-bensoxazin-4-yl)ethanone; (±)-4-(dichloroacetyl)-3,4-dihydro-3-methyl-2H-1，4-benzoxazine
CAS No.: 98730-04-2
Molecular formula: C₁₁H₁₁Cl₂NO₂
Molecular weight: 260.1
Density: 1.349g/cm³
Melting point: 107.6 ℃
Boiling point: 408.9 ° C at 760 mmHg
Vapor pressure (Pa): 0.59mPa (20 ℃)
Toxicity LD50 (mg/kg): acute oral LD50 of rats is more than 5000, and acute inhalation LC50 of rats (4h) is more than 2.0mg/L. It is non-toxic to birds. LC50 of rainbow trout is 3.5mg/L.
Character: solid.
Solubility: 20 ℃ Solubility (g/kg): acetone 230, cyclohexane 300, dichloromethane 400, methanol 30, n-octane 11, toluene 90, xylene 60; Water 20 (mg/L)
Product use: chlordimefon is an antidote of chloroamide herbicides. Under normal and adverse environmental conditions, it can increase the resistance of corn to metolachlor.