2,3,4-trifluoroaniline

2,3,4-trifluoroaniline is an aromatic amine compound with the molecular formula C6H4F3N and CAS number 3862-73-5. This fluorinated aniline derivative contains three fluorine atoms positioned at the 2, 3, and 4 positions on the benzene ring, with an amino group (-NH2) attached. It has a molecular weight of 147.1 g/mol and is classified as a hazardous substance due to its acute toxicity and potential for causing skin and eye irritation.

2,3,4-trifluoroaniline is typically a crystalline solid at room temperature with a pale yellow to light brown color. The presence of three fluorine atoms significantly affects its physical properties, including increased density and altered solubility compared to unsubstituted aniline. The compound exhibits moderate solubility in organic solvents and limited water solubility due to the fluorine substitution pattern, which influences both its polarity and hydrogen bonding capabilities.

2,3,4-trifluoroaniline serves as an important intermediate in pharmaceutical synthesis and fine chemical manufacturing. It is primarily used in the production of fluorinated pharmaceutical compounds, agrochemicals, and specialty chemicals where the trifluoro substitution pattern provides specific biological or chemical properties. The compound is also utilized in research and development applications for creating novel fluorinated materials and as a building block for advanced organic synthesis reactions.

2,3,4-trifluoroaniline requires careful handling due to its acute toxicity and irritant properties. Essential personal protective equipment includes chemical-resistant gloves, safety goggles or face shield, and appropriate respiratory protection when handling powders or in poorly ventilated areas. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid skin and eye contact, inhalation of dust or vapors, and ensure proper washing facilities are readily available for emergency decontamination.

2,3,4-trifluoroaniline should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. The storage area must be equipped with appropriate spill containment measures and kept separate from incompatible materials such as strong oxidizing agents and acids. Containers should be properly labeled with hazard information, and storage temperatures should remain stable to prevent degradation. Regular inspection of containers for signs of deterioration is recommended.

Immediate action is required for any contact with 2,3,4-trifluoroaniline due to its irritant and toxic 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, flush immediately with clean water for 15-20 minutes while holding eyelids open. If inhaled, move the person to fresh air and seek medical attention. For ingestion, do not induce vomiting and seek immediate medical assistance.

2,3,4-trifluoroaniline disposal must comply with local and international hazardous waste regulations due to its toxicity and environmental impact classification. The compound should never be disposed of down drains or in regular waste streams. Waste material must be collected in appropriate containers, properly labeled, and transferred to licensed hazardous waste disposal facilities. Incineration at high temperatures with appropriate emission controls is typically the preferred disposal method for this type of organic compound.

2,3,4-trifluoroaniline is classified as ADR Class 9 (Miscellaneous Dangerous Substances), Packing Group III for transportation purposes. This classification requires specific packaging standards, labeling with appropriate hazard symbols, and proper documentation including transport documents and safety data sheets. Packages must be properly secured, marked with the correct shipping name and UN number, and transported by carriers qualified to handle hazardous materials according to international transport regulations.

2,3,4-trifluoroaniline is subject to various chemical safety regulations including EU REACH registration requirements and CLP classification standards. While not currently listed as a Substance of Very High Concern (SVHC), it must comply with standard chemical safety assessments and exposure scenario requirements. Users must maintain safety data sheets, implement appropriate risk management measures, and ensure compliance with occupational exposure limits and environmental protection standards as mandated by local and European chemical legislation.

2,3,4-trifluoroaniline is available through OYSI, a specialized European distributor of technical chemicals and pharmaceutical intermediates. OYSI provides high-quality chemical products with complete regulatory documentation, including safety data sheets and certificates of analysis. As an established European supplier, OYSI ensures compliance with REACH regulations and provides reliable supply chain management for laboratory, research, and industrial applications requiring this specialized fluorinated amine compound.