N,N-dimethylaniline

N,N-dimethylaniline is an aromatic amine compound with the molecular formula C8H11N and CAS number 121-69-7. This organic chemical has a molecular weight of 121.18 g/mol and belongs to the family of substituted anilines. It is classified as a hazardous substance with carcinogenic properties (Category 2) and acute toxicity. The compound is widely used in industrial applications as an intermediate in chemical synthesis and manufacturing processes.

N,N-dimethylaniline is typically a yellowish to brown liquid at room temperature with a characteristic amine-like odor. The compound has moderate solubility in water and is miscible with most organic solvents including alcohols, ethers, and aromatic hydrocarbons. It has a boiling point around 194°C and a density slightly higher than water. The substance is sensitive to light and air, which can cause discoloration and degradation over time.

N,N-dimethylaniline is primarily used as an intermediate in the production of dyes, pharmaceuticals, and other organic chemicals. It serves as a precursor in the synthesis of methylene blue, crystal violet, and other triarylmethane dyes. The compound is also utilized in the manufacture of photographic chemicals, rubber accelerators, and as a catalyst in polymerization reactions. Additionally, it finds applications in analytical chemistry as a reagent for various chemical tests.

N,N-dimethylaniline requires careful handling due to its acute toxicity and carcinogenic properties. Workers must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation. Avoid skin and eye contact, and never eat, drink, or smoke when handling this substance. Emergency eyewash stations and safety showers should be readily accessible in work areas.

N,N-dimethylaniline should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep containers away from incompatible materials such as strong oxidizing agents, acids, and bases. Storage areas should be equipped with appropriate containment measures to prevent spills. The substance should be kept in original labeled containers and stored according to local fire codes and chemical storage regulations.

In case of skin contact with N,N-dimethylaniline, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. If eye contact occurs, flush eyes with clean water for at least 15 minutes while holding eyelids open. If inhaled, move the person to fresh air immediately. If swallowed, do not induce vomiting and seek immediate medical attention. Always consult a physician if exposure occurs, providing the safety data sheet.

N,N-dimethylaniline must be disposed of as hazardous waste according to local and national environmental regulations. The substance cannot be discharged to sewers, waterways, or regular waste streams due to its toxicity and environmental impact. Contact licensed hazardous waste disposal companies for proper collection and treatment. Small quantities may be destroyed by controlled incineration at appropriate high-temperature facilities. Always consult local environmental authorities for specific disposal requirements in your region.

N,N-dimethylaniline is classified under ADR as Class 6.1 (toxic substances), Packing Group II, indicating significant transport hazards. The substance must be packaged in UN-approved containers with proper labeling including GHS08, GHS06, and GHS09 pictograms and the 'Danger' signal word. Transport vehicles must carry appropriate emergency equipment and documentation. Only trained personnel should handle transportation, and specific routing restrictions may apply depending on local regulations.

N,N-dimethylaniline is subject to comprehensive chemical regulations including REACH registration in Europe and CLP classification requirements. The substance carries multiple hazard classifications including carcinogenicity Category 2, acute toxicity Category 3, and aquatic chronic toxicity Category 2. While not currently listed as an SVHC (Substance of Very High Concern), its carcinogenic properties subject it to strict workplace exposure limits and reporting requirements. Companies must maintain detailed safety data sheets and conduct appropriate risk assessments.

N,N-dimethylaniline is available through OYSI, a specialized European distributor of technical chemicals. As an established chemical distributor, OYSI provides quality N,N-dimethylaniline with proper documentation, safety data sheets, and regulatory compliance for industrial customers across Europe. The company ensures proper packaging, labeling, and transport according to ADR requirements. Contact OYSI directly for availability, specifications, and technical support for your specific application requirements.