4-(4-aminophenyl)aniline

4-(4-aminophenyl)aniline is an aromatic diamine compound with the molecular formula C12H12N2 and CAS number 92-87-5. This chemical substance has a molecular weight of 184.24 g/mol and belongs to the biphenyl amine family. It is classified as a Category 1A carcinogen and poses significant health and environmental hazards, requiring careful handling and specialized safety measures in industrial applications.

4-(4-aminophenyl)aniline typically appears as a crystalline solid at room temperature with a characteristic amine odor. As an aromatic diamine compound, it exhibits limited solubility in water but dissolves readily in organic solvents such as alcohols and acetone. The compound contains two amino groups that make it reactive toward electrophilic substitution reactions and suitable for polymerization processes.

4-(4-aminophenyl)aniline serves primarily as an intermediate in the production of high-performance polymers, particularly polyimides and polyamides. It is utilized in the manufacture of specialty plastics, advanced composite materials, and heat-resistant coatings. The compound also finds applications in the synthesis of dyes, pigments, and other aromatic compounds in the chemical industry, where its dual amino functionality provides valuable reactivity.

4-(4-aminophenyl)aniline requires strict safety protocols due to its carcinogenic properties (Carc. 1A classification). Personnel must wear full personal protective equipment including chemical-resistant gloves, protective clothing, eye protection, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods. Avoid skin contact, inhalation, and ingestion. Regular health monitoring of exposed workers is essential due to the substance's carcinogenic potential.

4-(4-aminophenyl)aniline must be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Storage areas should be secured and accessible only to authorized personnel due to the carcinogenic nature of the substance. Keep away from oxidizing agents and strong acids. The storage facility should comply with local regulations for carcinogenic substances and include appropriate containment measures.

Immediate action is required upon contact with 4-(4-aminophenyl)aniline. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water for at least 15 minutes. In case of eye contact, flush with clean water for 15 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult a physician and provide the safety data sheet.

4-(4-aminophenyl)aniline must be disposed of as hazardous waste through licensed waste management facilities specialized in handling carcinogenic materials. The substance cannot be disposed of via regular waste streams due to its classification as Carc. 1A and aquatic toxicity. Disposal must comply with local, national, and EU waste regulations. Incineration at high temperatures in approved facilities is typically the preferred disposal method for this type of hazardous chemical.

4-(4-aminophenyl)aniline is classified under ADR Class 6.1 (toxic substances), Packing Group II, requiring specialized transport procedures. The substance must be packaged in UN-approved containers with appropriate labeling including GHS08, GHS07, and GHS09 pictograms. Transport vehicles must carry proper documentation, emergency response information, and drivers require ADR certification. Shipments must comply with dangerous goods regulations for toxic substances throughout the European transport network.

4-(4-aminophenyl)aniline is subject to strict European regulations under REACH and CLP due to its carcinogenic classification (Carc. 1A). The substance requires safety data sheets, hazard labeling with danger signal word, and compliance with occupational exposure limits. Special authorization may be required for certain uses, and employers must implement rigorous risk management measures. Import, manufacturing, and use are regulated under EU chemical safety legislation.

4-(4-aminophenyl)aniline is available through OYSI, a specialized European distributor of technical chemicals. As a regulated carcinogenic substance, procurement requires proper documentation, including end-use declarations and compliance with REACH requirements. OYSI ensures full regulatory compliance and provides comprehensive safety documentation with all shipments. Contact OYSI's technical team for availability, specifications, and regulatory guidance for your specific application requirements.