Agent Name

Thioquinox

CAS Number

93-75-4

Formula

C9-H4-N2-S3

Major Category

Pesticides

Synonyms

1,3-Dithiolo(4,5-b)quinoxaline-2-thione; 2,3-Quinoxalinedithiol cyclic-trithiocarbonate; 2,3-Quinoxalinedithiol, cyclic trithiocarbonate; 2-Thio-1,3-dithio(4,5-b)quinoxaline; 2-Thioxo-1,3-dithiolo(4,5-b)quinoxaline; BAY 30686; Bayer 30686; Carbonic acid, trithio-, cyclic 2,3-quinoxalinediyl ester; Carbonic acid, trithio-, cyclic ester with 2,3-quinoxalinedithiol; Chinothionat; Chinoxalin-2,3-dithiol-cyclo-thio-carbonat [German]; Chinoxalin-2,3-diyl-trithiocarbonat [German]; ENT 25,579; Eradex; Quinothionate; Quinoxaline-2,3-diyl trithiocarbonate; Readex; SS 1451; Thiaquinox; Thioquinox [ISO]; Trithiocarbonic acid, cyclic ester with 2,3-quinoxalinedithiol; [ChemIDplus]

Category

Other Insecticides

Description

Brownish-yellow odorless solid; [HSDB]

Sources/Uses

Used as a non-systemic acaricide (effective against eggs) and fungicide (specific against powdery mildews); Not currently registered with the EPA for use in the US; [HSDB]

Comments

Technical product caused skin irritation in 2 of 8 people tested; No adverse effects in rats after skin applications of 3000 mg/kg; Rats fed 100 mg/kg/day for 2 weeks had weakness, weight loss, and one death; Lethal human dose is probably 1 ounce to 1 pint; [HSDB]

Exposure Assessment
Vapor Pressure

6.33E-8 mm Hg

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