MCPA 95%TC (ISO)

Common name

MCPA

Chemical name

2-M-4-X;2-methyl-4-chlorophenoxy acetic acid

Descriptions

1.Melting Point:120C

2.Vapour Pressure: 2.3×10-5Pa(25C)

3.Molecular weight:193.6

4.Molecular formula:CH3(Cl)C6H3OCH2COOH

5.SOLUBILITY IN WATER AND SOLVENTS : Soluble in water,

soluble in ethanol, ethyl ether etc organic solvents.

The potassium sodium salt soluble in water.

Toxicity

Low toxicity.

Rats through the mouth LD50 for 800 mg/kg, percutaneous LD50 > 1000 mg/kg;

Mice subcutaneously LD50 for 492 mg/kg.

Acute toxicity :people through the mouth, 25% of dimethyl four potassium chloride

solvent 85 ml lethal.

Function

MCPA controls broadleaf weeds, including thistle and dock, in cereal crops and pasture.

It is selective for plants with broad leaves, and this includes most deciduous trees.

Clovers are tolerant at moderate application levels.

It is currently classified as a restricted use pesticide.

Its toxicity and biodegradation are topics of current research.