Brodifacoum

Common name brodifacoum (BSI, E-ISO, (m) F-ISO, ANSI)

IUPAC name 3-[3-(4'-bromobiphenyl-4-yl)-1,2,3,4-tetrahydro-1-naphthyl]-4-hydroxycoumarin 

Chemical Abstracts name 3-[3-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,2,3,4-tetrahydro-1-naphthalenyl]-4-hydroxy-2H-1-benzopyran-2-one 

CAS RN [56073-10-0] formerly [66052-95-7] 

Composition Tech. material is >91% pure. 

Mol. wt. 523.4 

M.f. C31H23BrO3 

Form White powder; (tech., off-white to buff or beige powder). 

M.p. 228-232 篊 (tech.) 

V.p. <<0.001 mPa (20 癈, gas saturation method) 

KOW logP = 8.5 

Henry <1 ´ 10-1 (pH 5.2); <1 ´ 10-3 (pH 7.4); <1 ´ 10-5 (pH 9.3) (all in Pa m3 mol-1, calc.)  S.g./density 1.42 (25 癈, tech.) 

Solubility In water 3.8 ´ 10-3 (pH 5.2), 0.24 (pH 7.4), 10 (pH 9.3) (all in mg/l, 20 癈). In acetone 20, chloroform 3, benzene <6 (all in mg/l, 20 篊).

Mode of action Indirect anticoagulant. 

Uses Controls most rodent pests