4-methylpyridine

4-methylpyridine is an organic chemical compound with the molecular formula C6H7N and CAS number 108-89-4. It belongs to the pyridine family, featuring a six-membered aromatic ring containing one nitrogen atom with a methyl group attached at the fourth position. With a molecular weight of 93.13 g/mol, this heterocyclic compound is classified as a flammable liquid with multiple toxicity hazards, requiring careful handling in industrial applications.

4-methylpyridine is a colorless to pale yellow liquid at room temperature with a characteristic amine-like odor. As a polar organic compound, it exhibits good solubility in water and most organic solvents due to its nitrogen-containing heterocyclic structure. The compound has a relatively low molecular weight of 93.13 g/mol and maintains liquid state under standard conditions, making it suitable for various chemical processes and reactions.

4-methylpyridine serves as an important intermediate in pharmaceutical synthesis and fine chemical manufacturing. It is commonly used in the production of various medications, agrochemicals, and specialty chemicals. The compound acts as a building block for synthesizing more complex molecules, particularly in the development of drugs and pesticides. Its nitrogen-containing structure makes it valuable in coordination chemistry and as a ligand in metal complexes for catalytic applications.

4-methylpyridine requires careful handling due to its multiple hazard classifications including flammability and toxicity. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, and appropriate respiratory protection when ventilation is inadequate. Work should be conducted in well-ventilated areas or under fume hoods, away from ignition sources. Avoid skin and eye contact, and prevent inhalation of vapors to minimize health risks associated with this hazardous substance.

4-methylpyridine must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames due to its flammable nature. Use tightly sealed containers made of compatible materials and store away from incompatible substances such as strong oxidizers and acids. Temperature should be kept below 25°C when possible, and storage areas should be equipped with appropriate fire suppression systems and spill containment measures.

Immediate action is required for any contact with 4-methylpyridine due to its toxicity and irritant properties. 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 water for 15-20 minutes and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical help while providing safety data sheet to medical personnel.

4-methylpyridine disposal must comply with local and national hazardous waste regulations as it cannot be disposed of through regular waste streams. The substance should be collected in appropriate containers and handed over to licensed hazardous waste disposal companies for proper treatment or incineration. Never pour down drains or release into the environment. Consult local environmental authorities for specific disposal requirements and ensure proper documentation of waste disposal activities.

4-methylpyridine is classified under ADR Class 3 (flammable liquids), Packing Group III for transportation purposes. This classification requires specific packaging, labeling, and documentation according to dangerous goods regulations. Vehicles must display appropriate hazard placards, and drivers need dangerous goods training certification. Packages must bear proper shipping names, UN numbers, and hazard labels. Transportation should follow established routes for dangerous goods with appropriate emergency response procedures in place.

4-methylpyridine is subject to various European chemical regulations including REACH registration requirements and CLP classification standards. The substance is not currently listed as an SVHC (Substance of Very High Concern), but its hazard classification requires compliance with workplace safety regulations and proper risk assessment procedures. Users must maintain safety data sheets, implement appropriate risk management measures, and ensure worker training on safe handling practices according to occupational health and safety directives.

4-methylpyridine is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across Europe. As an established chemical supplier, OYSI provides quality 4-methylpyridine with proper documentation, safety data sheets, and regulatory compliance support. The company offers reliable supply chains and technical expertise to support customers' specific requirements for this regulated chemical substance while ensuring full compliance with European chemical legislation.