Butyl 2-(2,4-dichlorophenoxy)acetate

Butyl 2-(2,4-dichlorophenoxy)acetate is an organic chemical compound with the molecular formula C12H14Cl2O3 and CAS number 94-80-4. This substance has a molecular weight of 277.14 g/mol and belongs to the phenoxyacetic acid ester family. It is classified as a hazardous chemical with moderate acute toxicity, skin sensitizing properties, and significant aquatic toxicity. The compound carries GHS07 and GHS09 pictograms with a 'Warning' signal word.

Butyl 2-(2,4-dichlorophenoxy)acetate is typically a liquid at room temperature with a characteristic organic solvent odor. As an ester compound containing chlorinated aromatic rings, it exhibits limited water solubility but good solubility in organic solvents such as alcohols, ketones, and hydrocarbons. The presence of two chlorine atoms on the phenoxy ring influences its chemical stability and biological activity. Its molecular structure provides moderate volatility and lipophilic characteristics.

Butyl 2-(2,4-dichlorophenoxy)acetate serves primarily as an active ingredient in herbicide formulations and plant growth regulators. It is used in agricultural applications for selective weed control, particularly against broadleaf weeds in cereal crops. The compound may also function as an intermediate in the synthesis of other agrochemical products. Its phenoxyacetic acid structure makes it effective in disrupting plant hormone systems, leading to controlled plant growth modification or elimination.

Butyl 2-(2,4-dichlorophenoxy)acetate requires careful handling due to its acute toxicity and skin sensitizing properties. Workers must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Adequate ventilation is essential to minimize inhalation exposure. Handle in well-ventilated areas or use local exhaust ventilation. Avoid generating aerosols or vapors, and ensure no eating, drinking, or smoking in work areas where this substance is present.

Butyl 2-(2,4-dichlorophenoxy)acetate should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers upright and properly labeled according to CLP requirements. Store away from incompatible materials such as strong bases, oxidizing agents, and reactive metals. Ensure storage areas have appropriate spill containment measures due to its aquatic toxicity classification. Regular container inspection is recommended to prevent leakage and environmental contamination.

Immediate action is required following contact with butyl 2-(2,4-dichlorophenoxy)acetate due to its toxicity and skin sensitizing properties. For skin contact, remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, rinse immediately with clean water for 15-20 minutes and remove contact lenses if easily removable. If inhaled, move to fresh air immediately. Seek medical attention promptly, especially if symptoms develop or persist.

Butyl 2-(2,4-dichlorophenoxy)acetate must be disposed of as hazardous waste through licensed waste management facilities due to its environmental toxicity classification. Never discharge to sewers, waterways, or soil as it poses significant risks to aquatic organisms. Small quantities should be absorbed with inert material and placed in appropriate hazardous waste containers. Large quantities require professional hazardous waste collection services. Always follow local and national waste disposal regulations and maintain proper waste documentation for regulatory compliance.

Butyl 2-(2,4-dichlorophenoxy)acetate is classified as ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III for transportation purposes. This classification requires appropriate UN-specification packaging, proper labeling with Class 9 hazard labels, and transport documentation including shipping papers. Vehicles must carry appropriate emergency equipment and drivers need ADR certification for dangerous goods transport. Ensure containers are properly secured, upright, and protected from damage during transport to prevent environmental release.

Butyl 2-(2,4-dichlorophenoxy)acetate is regulated under multiple European frameworks including REACH registration requirements and CLP classification obligations. While not currently listed as a Substance of Very High Concern (SVHC), its acute toxicity and environmental hazard classifications trigger specific labeling, safety data sheet, and handling requirements. The substance may also be subject to biocidal product regulations if used in certain applications. Users must comply with occupational exposure limits and environmental discharge restrictions where applicable.

Butyl 2-(2,4-dichlorophenoxy)acetate is available through OYSI, a specialized European distributor of technical chemicals and industrial raw materials. OYSI provides this substance to qualified industrial users with proper safety documentation, technical support, and regulatory compliance assistance. Due to its hazardous classification, purchases typically require verification of intended use and appropriate handling capabilities. Contact OYSI's technical sales team for availability, specifications, and regulatory guidance for your specific application requirements.