See All ProductsClopyralid

Action

Herbicide

Use

A highly translocated, selective herbicide active primarily through foliage of broadleaf herbaceous weeds. For control in barley, canola, corn, mint, oats, wheat, sugarbeets, spinach, turnips, CRP, Christmas tree plantations, fallow land, grasses grown for seed, noncropland and permanent grass pastures.

Formulation

Soluble concentrate.

Identification

Common Name

Clopyralid (ANSI, BSI, ISO)

Exp. Code Number

Dowco 290 (Dow Chemical Co.)

CAS Code

1702-17-6

Other Code Number

SHA 117403

Chemistry

Compositions

3,6-dichloropicolinic acid (IUPAC); 3,6-dichloro-2-pyridinecarboxylic acid (CAS)

Properties

Colorless crystals. Melting point 151-152°C. Solubility (20°C) in acetone 153 g/kg; cyclohexanone 387 g/kg; xylene 6.5 g/kg.

Mode of Action / Resistance Management

Chemical Group

pyridine carboxylic acid

Mode of Action

action like indole acetic acid (synthetic auxins)

Action Group

HRAC Group O; WSSA Group 4

Environmental Guidelines

Soil Particle Adsorption

Clopyralid has seeping or leaching capabilities

Water Solubility

1,000 ppm

Safety Guidelines

Signal Word

DANGER

Toxicity Class

I

Toxicity

(Rat): Oral LD50 4300 mg/kg. (Rabbit): Dermal LD50 >2000 mg/kg. Causes eye damage, skin irritation

Handling/Storage Caution

Store above 28°F or warm to 40°F and agitate before use

Protective Clothing

Protective eyewear.

Emergency Guidelines

Flashpoint

Combustible

First Aid

Get medical aid as necessary. Eyes: flush immediately with plenty of water. Skin: wash thoroughly with soap and water. Inhalation: remove to fresh air. Ingestion: induce vomiting