Coumachlor

Agent Name
Coumachlor
CAS Number
81-82-3
Formula
C19-H15-Cl-O4
Major Category
Pesticides
Coumachlor formula graphical representation
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."
Restricted
No longer registered as a pesticide for use in the US; [HSDB]
Biomedical References

Exposure Assessment

Vapor Pressure
7.17E-13 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Coumarin derivative pesticide, solid, toxic."

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: