Agent Name

Terrazole

CAS Number

2593-15-9

Formula

C5-H5-Cl3-N2-O-S

Major Category

Pesticides

Synonyms

1,2,4-Thiadiazole, 5-ethoxy-3-(trichloromethyl)-; 3-(Trichloromethyl)-5-ethoxy-1,2,4-thiadiazole; 5-Aethoxy-3-trichlormethyl-1,2,4-thiadiazol [German]; 5-Ethoxy-3-trichloromethyl-1,2,4-thiadiazole; Aaterra; Banrot; Dwell; ETMT; Echlomezol; Echlomezole; Etcmtb; Ethazol; Ethazole (fungicide); Ethyl 3-trichloromethyl-1,2,4-thiadiazol-5-yl ether; Etridiazol; Etridiazole; Koban; MF-344; OM 2424; OM 2425; Olin Mathieson 2,424; Pansoil; Planvate; Terrachlor-Super X; Terracoat; Terracoat L21; Terraflo; Truban; [ChemIDplus]

Category

Fungicides

Description

Pure: Pale yellow liquid; Technical product: Reddish-brown liquid; mp = 19.9 deg C; [HSDB] Light yellow liquid; mp = 20 deg C; [MSDSonline]

Sources/Uses

Used as fungicide for soil and seed treatment in cotton, peanuts, turf, ornamentals, vegetables, beans, corn, wheat, avocados, and other crops; [HSDB]

Comments

An eye irritant and skin sensitizer; A developmental toxin in rabbit studies; Probable human carcinogen; Target organ in chronic studies is the liver; [EPA REDs] May cause skin and eye irritation; [HSDB] May cause irritation; [MSDSonline]

Reference Link

EPA Pesticide Chemical Search

Exposure Assessment
Vapor Pressure

0.0001 mm Hg

Lethal Concentration

LC50 (rat) = 5,700 mg/m3/4h

Adverse Effects
Skin Sensitizer

Yes

Hepatotoxin

Hepatotoxin, Secondary

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: