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Common name tebufenozide (BSI, pa E-ISO, ANSI)
IUPAC name N-tert-butyl-N'-(4-ethylbenzoyl)-3,5-dimethylbenzohydrazide
Chemical Abstracts name 3,5-dimethylbenzoic acid 1-(1,1-dimethylethyl)-2-(4-ethylbenzoyl)hydrazide
CAS RN [112410-23-8]
PHYSICAL CHEMISTRY
Mol. wt. 352.5 M.f. C22H28N2O2 Form Off-white powder. M.p. 191 ºC V.p. <1.56 ´ 10-4 mPa (25 ºC, gas saturation method) KOW logP = 4.25 (pH 7) Henry <6.59 ´ 10-5 Pa m3 mol-1 (calc.) S.g./density 1.03 (20 ºC, pycrometer method) Solubility In water 0.83 ppm (25 ºC). Slightly soluble in organic solvents. Stability Stable at 94 ºC for 7 d. Stable to light in pH 7 aqueous solution (25 ºC). Stable in dark, sterile water 30 d (25 ºC). DT50 in natural pond water 67 d, in light, 30 d (25 ºC).
APPLICATIONS
Biochemistry Ecdysone agonist which acts by binding to the receptor site of the insect moulting hormone, ecdysone.
Mode of action Lethally accelerates moulting process.
Uses Control of lepidopteran larvae on rice, fruit, row crops, nut crops, vegetables, vines, and forestry, generally at 0.06-0.3 lb/a.