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IUPAC name
2(1H)-pyrimidinone, tetrahydro-5,5-dimethyl-,

(3-(4-(trifluoromethyl)phenyl) -1-(2-(4-(trifluoromethyl)phenyl)ethenyl)

3D model (Jmol)
ECHA InfoCard 100.100.669
Molar mass 494.50 g/mol
Appearance yellow to orange crystalline solid
Melting point 185 to 190 °C (365 to 374 °F; 458 to 463 K)
NFPA 704
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g., canola oil Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
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

Hydramethylnon is an organic chemical compound. It is also known as AC 217,300. It is in a chemical class called trifluoromethyl aminohydrazone, which is a metabolic inhibitor. It is classified as a pesticide designed to control insects that are harmful to man.[1] It works by inhibiting complex III in the mitochondrial inner membrane and leads to a halting of oxidative phosphorylation. It is used primarily as an insecticide in the form of baits for cockroaches and ants. Some brands of insecticides that include hydramethylnon are Amdro, Combat, Blatex, Cyaforce, Cyclon, Faslane, Grant's, Impact, Matox, Maxforce, Pyramdron, Siege, and Wipeout.


Oral, rat: LD50 is 1100–1300 mg/kg.

Oral, dog: LD50 is above 28000 mg/kg.

Hydramethylnon is especially toxic to fish; the 96-hour LC50 in rainbow trout is 0.16 mg/L, 0.10 mg/L in channel catfish, and 1.70 mg/L in bluegill sunfish.

Hydramethylnon is known to cause cancer in rats, particularly uterine and adrenal tumors and lung cancer.[2]

See also[edit]

  • Fipronil, another insecticide used for similar purposes.


External links[edit]