Coumachlor

Synonyms

3-((alpha-Acetonyl)-4-chlorbenzyl)-4-hydroxycumarin [IUPAC]; 3-(1-(4-Chloorfenyl)-3-oxo-butyl)-4-hydroxy-cumarine [Dutch]; 3-(1-(4-Chlor-phenyl)-3-oxo-butyl)-4-hydroxy-cumarin [German]; 3-(1-(4-Chlorophenyl)-3-oxo-butyl)-4-hydroxy-coumarine [French]; 3-(1-(4-Chlorophenyl)-3-oxobutyl)-4-hydroxy-2H-1-benzopyran-2-one; 3-(1-(4-Chlorophenyl)-3-oxobutyl)-4-hydroxy-2H-1-benzopyran-2-one (9CI); 3-(1-(4-Chlorophenyl)-3-oxobutyl)-4-hydroxycoumarin; 3-(1-(4-Cloro-fenil)-3-oxo-butil)-4-idrossicumarina [Italian]; 3-(1-Acetyl-2-(p-chlorophenyl)ethyl)-4-hydroxycoumarin; 3-(alpha-(p-Chlorphenyl)-beta-acetylaethyl)-4-hydroxycumarin [German]; 3-(alpha-Acetonyl-4-chlorobenzyl)-4-hydroxycoumarin; 3-(alpha-Acetonyl-p-chlorobenzyl)-4-hydroxycoumarin; 3-(alpha-p-Chlorophenyl-beta-acetylethyl)-4-hydroxycoumarin; 4-Hydroxy-3-(1-(4-chlorophenyl)-3-oxobutyl)-2H-1-benzopyran-2-one; Coumachlore [ISO-French]; Cumachloor [Dutch]; Cumachlor [German]; Experimental Rodenticide 332; G-23133; Geigy Rodenticide Exp. 332; Kumachlor [Czech]; Ratilan; Tomorin; [ChemIDplus] UN3027

Category

Rodenticides, Anticoagulant

Description

Colorless solid; [HSDB]

Sources/Uses

Used as anticoagulant rodenticide (structural analog of warfarin); [Merck Index]

Comments

A vitamin K antagonist; In human poisoning cases after ingestion, causes disruption of clotting factors (lower doses) and hemorrhages (higher doses); [HSDB] First generation anticoagulant rodenticide; Discontinued by Ciba-Geigy in 1984; [INCHEM] See "Warfarin."

No longer registered as a pesticide for use in the US; [HSDB]

Biomedical References

7.17E-13 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Coumarin derivative pesticide, solid, toxic."

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)