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Etridiazole
Action / Use
ACTION: Fungicide.
USE: Control of Pythium and Phytophthora in cotton, tobacco, golf course tees/greens, ornamentals, and nursery crops.
FORMULATIONS: Dust, emulsifiable concentrate, granules, wettable powder.
PREMIX PARTNERS: PCNB; Thiophanate-methyl.
Identification
COMMON NAME: Etridiazole (ISO, BSI); Echlomezol (JMAF).
EXP. CODE NUMBERS: MF-344 (Mallinckrodt); OM-2424 (Olin Corp.).
OTHER CODE NUMBERS: 2593-15-9 (CAS); 084701 (SHA).
Chemistry
COMPOSITION: 5-ethoxy-3-trichloromethyl-1,2,4-thiadiazole (1).
PROPERTIES: Reddish-brown liquid. Specific gravity 1.500 at 25°C. Soluble in ethanol, xylene.
Resistance Management
CHEMICAL GROUP: 1,2,4-thiadiazole
MODE OF ACTION: Lipids and membrane synthesis
ACTION GROUP: FRAC Code 14
Environmental Guidelines
HAZARDS: (Tech) Fish: (24 h) LC50 >4.0 mg/l (rainbow trout); >7.5 mg/l (bluegill). Bird: Slightly toxic.
WATER SOLUBILITY: <100 ppm at 25°C.
Safety Guidelines
TOXICITY: (Rat): Oral LD50 1077 mg/kg. (Rabbit): Dermal >5000 mg/kg.
HANDLING/STORAGE CAUTIONS: Avoid contact with skin, eyes, or clothing. Avoid breathing dust or spray mist. Wash thoroughly with soap and water after use and before eating or smoking. Remove contaminated clothing and wash before reuse. For seed treatments, do not contaminate feed or food.
Emergency Guidelines
FIRST AID: Skin: wash with soap and water. Eyes: flush with water. Ingestion: get immediate medical aid. 4-Way*: Do NOT induce vomiting; drink large quantities of milk.
Suppliers and Branded Products
BASIC PRODUCERS:
Chemtura AgroSolutions (Terramaster*, Terrazole*)
Fertiagro Pte. Ltd. (Ferrazole*)
FORMULATORS' TRADE NAMES:
OHP, Inc. (Terrazole*)
The Scotts Co. (Truban*)
DISCONTINUED NAMES:
Aaterra*
Dwell*
Pansoil*
Phorate TSX*
Terra-Coat L-205N*
TerraFlo*
4-Way*










