2, 4-Dichlorophenoxyacetic acid 94-75-7

2,4-Dichlorophenoxyacetic acid (commonly known as 2,4-D) is a systemic herbicide widely used for controlling broadleaf weeds. Here are the complete product details:

General Information

• CAS Number: 94-75-7
• Chemical Formula: C8H6Cl2O3\text{C}_8\text{H}_6\text{Cl}_2\text{O}_3C8​H6​Cl2​O3​
• Molecular Weight: 221.04 g/mol
• Appearance: White crystalline solid or powder
• Melting Point: 138-140 °C (280-284 °F)
• Solubility: Soluble in alcohol and other organic solvents; slightly soluble in water.

Uses

• Herbicide: Primarily used in agriculture to control broadleaf weeds in various crops, including cereals, pastures, and turf.
• Weed Management: Effective for managing perennial and annual weeds in non-crop areas.

Mechanism of Action

2,4-D mimics the natural plant hormone auxin, promoting uncontrolled growth in susceptible plants, which eventually leads to their death.

Application Methods

• Spraying: Typically applied as a foliar spray.
• Granules: Available in granulated forms for soil application.

Safety and Toxicology

• Toxicity: 2,4-D is considered moderately toxic. It can cause irritation to the skin and eyes. Inhalation or ingestion may lead to nausea, vomiting, and other systemic effects.
• Environmental Impact: Potentially harmful to aquatic life; requires careful application to minimize runoff.

Regulations

• Pesticide Registration: In many countries, including the United States, it is regulated by environmental agencies. Users should follow label instructions and safety precautions.

Handling and Storage

• Storage: Keep in a cool, dry place away from incompatible materials.
• Personal Protective Equipment: Gloves, goggles, and appropriate clothing should be worn during handling.

Emergency Measures

• In Case of Exposure: Remove contaminated clothing, rinse skin thoroughly, and seek medical attention if necessary.

If you have specific questions about its use, formulations, or any other aspect, feel free to ask!