Bromadiolone
TC & FORMULATION: 98%TC, 0.005% BAITS
Structure Formula
NOMENCLATURE
Common name bromadiolone (BSI, E-ISO, (f) F-ISO); broprodifacoum (Republic of South Africa)
IUPAC name 3-[3-(4'-bromobiphenyl-4-yl)-3-hydroxy-1-phenylpropyl]-4-hydroxycoumarin
Chemical Abstracts name 3-[3-(4'-bromo[1,1'-biphenyl]-4-yl)-3-hydroxy-1-phenylpropyl]-4-hydroxy-2H-1-benzopyran-2-one
CAS RN [28772-56-7] unstated stereochemistry
PHYSICAL CHEMISTRY
Composition Mixture of two diastereoisomers. Tech. grade bromadiolone is 97% pure. Mol. wt. 527.4 M.f. C30H23BrO4 Form Tech. is a yellowish powder. M.p. 200-210 ºC (mixture of two diastereoisomers) V.p. 0.002 mPa (20 ºC) KOW logP = 4.27 Henry 5.55 ´ 10-5 Pa m3 mol-1 (calc.) S.g./density 1.5164 Solubility In water 19 mg/l (20 ºC). In dimethylformamide 730, ethyl acetate 25, ethanol 8.2 (all in g/l, 20 ºC). Soluble in acetone; slightly soluble in chloroform; practically insoluble in diethyl ether and hexane. Stability Thermally stable below 200 ºC. F.p. 218 °C
APPLICATIONS
Biochemistry Second-generation anticoagulant rodenticide which also blocks prothrombin formation. Uses Control of rats and mice (including those resistant to warfarin) in areas containing stored products, household use, industrial buildings, and other situations. Formulation types CB; CP; RB.
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