4-[(4-aminophenyl)diazenyl]-3-methylaniline

4-[(4-aminophenyl)diazenyl]-3-methylaniline is an aromatic azo compound with the molecular formula C13H14N4 and CAS number 43151-99-1. This chemical substance has a molecular weight of 226.28 g/mol and belongs to the diazenyl aniline family. It is classified as a hazardous substance due to its acute toxicity, skin sensitization properties, and environmental toxicity to aquatic organisms.

4-[(4-aminophenyl)diazenyl]-3-methylaniline is an organic compound with a molecular mass of 226.28 g/mol and molecular formula C13H14N4. As an aromatic azo compound containing amino groups, it typically appears as a colored solid due to its extended conjugated system. The presence of amino groups suggests potential solubility in polar solvents, though specific physical data should be confirmed through technical documentation.

4-[(4-aminophenyl)diazenyl]-3-methylaniline is primarily used as an intermediate in chemical synthesis and dye manufacturing processes. Its azo structure makes it valuable in the production of colorants and pigments for various industrial applications. The compound may also serve as a building block for pharmaceutical intermediates or specialty chemicals requiring aromatic amino-azo functionalities in research and development applications.

4-[(4-aminophenyl)diazenyl]-3-methylaniline requires careful handling due to its Acute Tox. 3 and Skin Sens. 1 classifications. Essential protective equipment includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin contact. Work in well-ventilated areas or use local exhaust ventilation. Avoid inhalation, ingestion, and skin contact. Wash hands thoroughly after handling and ensure emergency eyewash and shower facilities are readily accessible.

4-[(4-aminophenyl)diazenyl]-3-methylaniline 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 GHS requirements. Store separately from incompatible materials such as strong oxidizers and acids. Ensure storage area is equipped with appropriate spill containment measures and access is restricted to authorized personnel only.

Immediate action is required upon contact with 4-[(4-aminophenyl)diazenyl]-3-methylaniline due to its toxicity and sensitization potential. 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, rinse immediately with clean water for 15 minutes. If inhaled, move to fresh air. Seek immediate medical attention for all exposure incidents and provide safety data sheet to medical personnel.

4-[(4-aminophenyl)diazenyl]-3-methylaniline must be disposed of as hazardous waste according to local and national regulations due to its toxicity and environmental classification. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Never dispose of down drains or with regular waste. Small quantities may require incineration at authorized facilities with appropriate emission controls. Maintain disposal records as required by applicable waste management regulations.

4-[(4-aminophenyl)diazenyl]-3-methylaniline is classified under ADR Class 6.1, Packing Group III for transportation of toxic substances. Transport requires appropriate UN-specification packaging with proper labeling including GHS06, GHS08, and GHS09 pictograms. Shipping documents must include the correct technical name, UN number, and hazard class. Vehicle placarding and driver training according to dangerous goods transport regulations are mandatory for commercial transport.

4-[(4-aminophenyl)diazenyl]-3-methylaniline is subject to REACH regulation requiring registration for manufacture or import above one tonne annually. CLP regulation mandates classification as Acute Tox. 3, STOT RE 2, Skin Sens. 1, and Aquatic toxicity categories. The substance is not currently listed as SVHC under REACH. National occupational exposure limits may apply, and specific restrictions could exist depending on intended use and local legislation.

4-[(4-aminophenyl)diazenyl]-3-methylaniline is available through OYSI, a specialized European distributor of technical chemicals and intermediates. OYSI provides professional-grade chemicals with appropriate documentation including safety data sheets and certificates of analysis. Contact OYSI directly for availability, packaging options, and technical support. As a controlled substance, purchase may require demonstration of legitimate professional use and adherence to applicable regulatory requirements.