See All ProductsIoxynil

Action

Herbicide

Use

Postemergence control of broadleaf weeds in cereals, onions, leeks, garlic, shallots, flax, sugarcane, forage grasses, lawns & turf.

Formulation

Aqueous concentrates of water-soluble amines and metal salts, emulsifiable concentrates of oil-soluble amines of octanoic ester.

Identification

Common Name

Ioxynil (ISO, BSI, WSSA)

CAS Code

1689-83-4

Other Code Numbers

EINECS 216-881-1; SHA 353200

Chemistry

Compositions

4-hydroxy-3,5-diiodobenzonitrile or 4-hydroxy-3,5-diiodophenyl cyanide (IUPAC); 4-hydroxy-3,5-diiodobenzonitrile (CAS)

Properties

Tech: cream colored. Colorless solid. Melting point 212-213.5°C (phenol), 59-60°C (octanoate).

Molecular Formula

C7H3I2NO

Mode of Action / Resistance Management

Chemical Group

nitrile

Mode of Action

inhibition of photosynthesis at photosystem II

Action Group

HRAC Group C3; WSSA Group 6

Environmental Guidelines

Hazard

Fish: LC50 (48 h) (soft water) 3-4 mg/l (harlequin). Bee: Slightly toxic

Water Solubility

% w/v at 20°-25°C: Ioxynil sodium salt, 14; ioxynil octanoate, insoluble

Safety Guidelines

Signal Word

WARNING

Toxicity Class

II

Toxicity

(Rat): Oral LD50 phenol 110 mg/kg, octanoate 390 mg/kg