Bromethalin

Bromethalin

Names
IUPAC name N-Methyl-2,4-dinitro-6-(trifluoromethyl)-N-(2',4',6'-tribromophenyl)aniline
Identifiers
CAS Number	63333-35-7
ChemSpider	40463
Jmol interactive 3D	Image
KEGG	C18697
PubChem	44465
UNII	GM59MTH1FS
InChI InChI=1S/C14H7Br3F3N3O4/c1-21(13-9(16)2-6(15)3-10(13)17)12-8(14(18,19)20)4-7(22(24)25)5-11(12)23(26)27/h2-5H,1H3 Key: USMZPYXTVKAYST-UHFFFAOYSA-N InChI=1/C14H7Br3F3N3O4/c1-21(13-9(16)2-6(15)3-10(13)17)12-8(14(18,19)20)4-7(22(24)25)5-11(12)23(26)27/h2-5H,1H3 Key: USMZPYXTVKAYST-UHFFFAOYAX
SMILES Brc2cc(Br)cc(Br)c2N(c1c([N+]([O-])=O)cc([N+]([O-])=O)cc1C(F)(F)F)C
Properties
Chemical formula	C14H7Br3F3N3O4
Molar mass	577.93 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Bromethalin is a rodenticide which poisons the central nervous system by uncoupling mitochondrial oxidative phosphorylation, which causes a decrease in adenosine triphosphate (ATP) synthesis. Decreased ATP ultimately results in increased intracranial pressure, which damages neuronal axons. This damage to the central nervous system can cause paralysis, convulsions, and death.^[1]

Risk of poisoning

There are no tests that will diagnose bromethalin poisoning in pets, but signs to watch for include severe muscle tremors, hyperexcitability, fits, extreme sensitivity to being touched (hyperesthesia) and seizures that appear to be caused by light or noise. Signs can be delayed for several days.

There is no antidote for bromethalin:care is symptomatic and supportive. Owners of animals who have eaten it accidentally should seek immediate veterinary attention and be decontaminated. Contacting an animal poison control center can help ensure that timely and appropriate therapy is started.

The mechanism of bromethalin toxicity differs from that of popular rodent poisons, which are anticoagulants related to warfarin (Coumadin). These drugs, such as diphacinone and bromadiolone, eaten by the mouse as an overdose, inhibit vitamin K and lead to a loss of clotting activity over several days (clotting factors require vitamin K). The ultimate result is hemorrhage.

While Bromethalin is labeled as a rodenticide, it is often used for rodent-like mammals such as moles. It is often hidden inside a worm-like bait to attract moles.

References

1. Bromethalin, Animal Disease Diagnostic Laboratory, Spring 1997 Newsletter