Endothall

Synonyms

Trade names for technical endothall: Aquathol, Hydrothal-47, and Hydrothal-191; Trade names for disodium endothall: Accelerate, Des-I-Cate, Tri-endothal, Ripenthol, Hydrothol, and Niagrathol; Trade names for the amine salt of endothall: Hydrothol; [EXTOXNET] 1,2-Benzenedicarboxylic acid, hexahydro-3,6-endo-oxy-; 1,2-Cyclohexanedicarboxylic acid, 3,6-endo-epoxy-; 3,6-Endooxohexahydrophthalic acid; 3,6-Endooxyphthalic acid, hexahydro-; 3,6-Endoxohexahydrophthalic acid; 3,6-Epoxycyclohexane-1,2-dicarboxylic acid; 3,6-endo-Oxohexahydrophthalic acid; 3,6-endo-Oxyphthalic acid hexahydro-; Aquathol; Aquathol Plus; Aquathol Plus Granular; Aquothol; Des-i-cate; Endothal; Endothal [BSI]; Endothal technical; Endothall; Endothall Turf Herbicide; Endothall Weed Killer; Endothall [ANSI]; Herbicide 273; Herbon pennout; Hydout; Hydrothal-191; Hydrothal-47; Hydrothol; Phthalic acid, hexahydro-3,6-endo-oxy-; Tri-Endothal; [ChemIDplus]

Category

Herbicides, Other

Description

Colorless crystals; [CAMEO] Formulated as granules or soluble concentrate; [EXTOXNET]

Sources/Uses

Used as a selective contact herbicide; Used as an aquatic herbicide (potassium and amine salts of endothall); Used as a desiccant in the harvesting of alfalfa, potatoes, clover, and cotton; [EXTOXNET]

Comments

Non-corrosive; [CAMEO] In human poisoning cases, ingestion of 7-8 grams of disodium endothall caused vomiting and gastrointestinal bleeding. The oral LD50 (rats) for technical grade endothall is 38 mg/kg. Experimental animals suffer liver and kidney damage in high-dose feeding studies. [EXTOXNET] A skin sensitizer; [Reference #2]

Reference Link #1

Biomedical References

1.57E-10 mm Hg

Reference Link #2

Yes

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

Diseases

Occupational diseases associated with exposure to this agent:

• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)