Chlorthal-dimethyl

Agent Name
Chlorthal-dimethyl
Alternative Name
Dimethyl tetrachloroterephthalate
CAS Number
1861-32-1
Formula
C10-H6-Cl4-O4
Major Category
Pesticides
Chlorthal-dimethyl formula graphical representation
Synonyms
Dimethyl tetrachloroterephthalate; 1,4-Benzenedicarboxylic acid, 2,3,5,6-tetrachloro-, dimethyl ester; 2,3,5,6-Tetrachloroterephthalic acid dimethyl ester; 2,3,5,6-Tetrachlorphthalsaure-dimethylester [German]; Chlorthal dimethyl ester; Chlorthal-methyl; DAC 4; DAC 893; DCPA; DCPA (VAN); Dacthal; Dacthalor; Daktal [Czech]; Dimethyl 2,3,5,6-tetrachlorobenzene-1,4-dicarboxylate; Dimethyl 2,3,5,6-tetrachloroterephthalate; Dimethyl tetrachloro-1,4-benzenedicarboxylate; Dimethylester kyseliny tetrachlortereftalove [Czech]; Fatal; TCTP; Tetrachloroterephthalic acid dimethyl ester; Tetral; [ChemIDplus]
Category
Herbicides, Other
Description
Colorless solid; [HSDB] Colorless crystalline solid; [MSDSonline]
Sources/Uses
Used as selective pre-emergence herbicide for control of annual grasses broad-leaved weeds in turf, ornamentals, strawberries, cotton, soybeans, and field beans; [HSDB]
Comments
Because it is a possible carcinogen, mixers, loaders, and applicators using DCPA wettable powder are required to wear dust-mist respirators; [Reference #1]
Reference Link #1
Biomedical References

Exposure Assessment

Vapor Pressure
2.5E-06 mm Hg
Lethal Concentration
LC50 (rat) > 5,700 mg/m3/4h

Adverse Effects

Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: