Agent Name

Methazole

CAS Number

20354-26-1

Formula

C9-H6-Cl2-N2-O3

Major Category

Pesticides

Synonyms

1,2,4-Oxadiazolidine-3,5-dione, 2-(3,4-dichlorophenyl)-4-methyl-; 2-(3,4-Dichlorophenyl)-4-methyl-1,2,4-oxadiazolidine-3,5-dione; Bioxone; Chlormethazole; Chlormethazole [ISO:PROP]; Metazol; Metazole; Methazole; Methazole [ANSI:BSI]; Mezopur; Oxydiazol; Paxilon; Probe; Probe 75; Tunic; VCS 438; [ChemIDplus]

Category

Herbicides, Other

Description

White solid; Technical material: Light tan solid; [HSDB]

Sources/Uses

Used as pre- and post-emergence herbicide for control of annual broad-leaved weeds and some grasses in cotton, onions, potatoes, citrus and stone fruit, vines, lucerne, tea, and nuts; [HSDB]

Comments

A mild skin and eye irritant; Not a skin sensitizer; Not a mutagen or teratogen at <60 mg/kg daily in rabbits; Cataract formation was only adverse effect in 3 generation study of rats at 100 mg/kg diet; 90-day feeding studies of rats and dogs at 500 mg/kg/bw caused no effects in blood, urine, or histopathological exams; [HSDB] A skin and eye irritant; [eChemPortal: ESIS]

Restricted

Cancelled--no longer registered as a pesticide for use in the US; [HSDB]

Exposure Assessment
Vapor Pressure

1.0E-6 mm Hg

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Health Studies

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Processes

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