4-chloro-2-methylaniline

4-chloro-2-methylaniline is an aromatic amine compound with the molecular formula C7H8ClN and CAS number 95-69-2. This chlorinated aniline derivative has a molecular weight of 141.6 g/mol and features both a chlorine substituent at the 4-position and a methyl group at the 2-position on the aniline ring. It is classified as a hazardous substance with carcinogenic and mutagenic properties, requiring careful handling and strict safety protocols in industrial applications.

4-chloro-2-methylaniline is typically a solid crystalline substance at room temperature with a characteristic amine odor. The compound appears as light-colored crystals or powder and has limited water solubility due to its aromatic nature. It exhibits typical aniline properties including basic character due to the amino group, and the presence of chlorine and methyl substituents affects its reactivity and physical characteristics compared to unsubstituted aniline.

4-chloro-2-methylaniline is primarily used as an intermediate in the synthesis of dyes, pigments, and pharmaceutical compounds. It serves as a building block in organic synthesis for producing various aromatic compounds and specialty chemicals. The compound is particularly valuable in the manufacture of azo dyes and other colorants for textile and industrial applications. Its unique substitution pattern makes it useful for creating specific molecular structures in fine chemical production.

4-chloro-2-methylaniline requires strict safety measures due to its carcinogenic (1B) and mutagenic (2) classification. Essential protective equipment includes chemical-resistant gloves, safety goggles, and respiratory protection in well-ventilated areas. Avoid skin contact, inhalation, and ingestion completely. Work under fume hoods when possible and ensure emergency shower and eyewash stations are accessible. Regular health monitoring for workers is recommended due to the compound's toxicological profile.

4-chloro-2-methylaniline should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers away from oxidizing agents and strong acids which may react with the amine group. Storage areas must be secure and access-restricted due to the substance's hazardous classification. Maintain proper labeling with GHS pictograms (GHS08, GHS06, GHS09) and ensure spill containment measures are in place.

Immediate action is critical due to the compound's acute toxicity. For skin contact, remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. In case of eye contact, flush immediately with clean water for 15-20 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Contact poison control or emergency services, providing the safety data sheet information.

4-chloro-2-methylaniline disposal must comply with hazardous waste regulations due to its carcinogenic properties and environmental toxicity classification. The substance cannot be disposed of in regular waste streams and requires specialized hazardous waste treatment facilities. Incineration at high temperatures in approved facilities is typically required. Contact licensed waste disposal companies familiar with aromatic amine handling. Maintain proper documentation and waste tracking as required by local environmental regulations.

4-chloro-2-methylaniline is classified under ADR Class 6.1 (Toxic substances), Packing Group III for transportation. Packages must display appropriate hazard labels and UN identification numbers. Transport vehicles require proper documentation including transport documents and emergency response information. Drivers need ADR training for Class 6.1 substances. Ensure packages are properly secured and protected from damage during transit, with emergency contact information readily available.

4-chloro-2-methylaniline is subject to extensive regulatory oversight under REACH, CLP, and national chemical safety legislation due to its hazardous classification. The substance requires safety data sheets and risk assessments for professional use. Special authorization or restrictions may apply depending on intended use and jurisdiction. Users must comply with occupational exposure limits and health surveillance requirements. Regular regulatory updates should be monitored as restrictions on carcinogenic substances continue to evolve.

4-chloro-2-methylaniline is available through OYSI, a specialized European distributor of technical chemicals. As a professional chemical supplier, OYSI provides proper documentation, safety data sheets, and regulatory compliance support for this controlled substance. Purchase requires demonstration of legitimate industrial use and appropriate safety infrastructure. Contact OYSI directly for availability, technical specifications, and regulatory guidance to ensure compliant procurement and handling of this hazardous chemical.