Agent Name

Ioxynil

Alternative Name

Bantrol

CAS Number

1689-83-4

Formula

C7-H3-I2-N-O

Major Category

Pesticides

Synonyms

Bantrol; 2,6-Diiodo-4-cyanophenol; 3,5-Diiodo-4-hydroxybenzonitrile; 3,5-Dijod-4-hydroxy-benzonitril [German]; 4-Cyano-2,6-diiodophenol; 4-Cyano-2,6-dijodphenol [German]; 4-Hydroxy-3,5-di-iodophenyl cyanide; 4-Hydroxy-3,5-diiodobenzonitrile; ACP 63303; Actril; Actrilawn; Bantrol; Bentrol; Benzonitrile, 3,5-diiodo-4-hydroxy-; Benzonitrile, 4-hydroxy-3,5-diiodo-; CA 69-15; Certrol; Cipotril; Iotox; Joxynil; Loxynil [German]; M&B 8873; Totril; Trevespan; [ChemIDplus] UN2588

Category

Herbicides, Nitrile

Description

Colorless odorless solid; [ICSC] Technical product is cream solid; Decomposed by sunlight and ultraviolet light; [HSDB] Powder; [MSDSonline]

Sources/Uses

Used as selective contact herbicide for post-emergence control of many annual broad-leaved weeds in cereals, onions, flax, sugar cane, forage grasses, lawns, and freshly sown turf; Also used as a molluscicide; Not marketed in the US; Produced by Rhone-Poulenc in New Zealand (Axall), Ireland (Brottox), and Ethiopia and Kenya (Maytril); [HSDB]

Comments

A mild skin and eye irritant; Can be absorbed through skin; May be a developmental toxin, based on animal studies; [ICSC] In acute poisoning, workers had vomiting, increase in body temperature, excessive perspiration, elevated thiocyanate in urine, and abnormal liver enzymes; No adverse effects were observed in 90-day 111 ppm oral study with rats; Inhibited oxidative phosphorylation in rat liver mitochondria; [HSDB] See "Benzonitrile."

Exposure Assessment
PEL (OSHA)

5 mg/m3, as CN

MAK

2 mg/m3, inhalable fraction, as CN

Vapor Pressure

1.38E-7 mm Hg

Lethal Concentration

LC50 (rat) = 380 mg/m3/4h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Pesticide, solid, toxic, n.o.s."

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Other Poison

Uncoupler

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: