4-methylphenol

4-methylphenol is an organic chemical compound with the molecular formula C7H8O and CAS number 106-44-5. Also known as para-cresol, it belongs to the phenol family and has a molecular weight of 108.14 g/mol. This aromatic compound features a hydroxyl group (-OH) attached to a benzene ring with a methyl group in the para position. It is classified as a hazardous substance with acute toxicity and corrosive properties.

4-methylphenol appears as white to pale yellow crystals or crystalline powder at room temperature. It has a characteristic phenolic odor and melts at approximately 34-36°C. The compound is moderately soluble in water and highly soluble in organic solvents such as ethanol, ether, and benzene. It exhibits acidic properties due to its phenolic nature and can form salts with bases. The substance is stable under normal conditions but may discolor upon exposure to light and air.

4-methylphenol serves as an important intermediate in chemical synthesis and manufacturing processes. It is primarily used in the production of antioxidants, particularly BHT (butylated hydroxytoluene), which is widely used as a food preservative and industrial antioxidant. Additionally, it finds applications in the manufacture of pharmaceuticals, pesticides, fragrances, and polymer additives. The compound is also utilized in resin production and as a disinfectant in certain industrial applications.

4-methylphenol requires careful handling due to its corrosive and toxic properties. Personnel must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume hoods to prevent inhalation exposure. Avoid direct skin and eye contact as the substance can cause severe burns and tissue damage. Emergency eyewash stations and safety showers should be readily accessible in work areas.

4-methylphenol should be stored in tightly sealed containers in a cool, dry, and well-ventilated area away from heat sources, ignition sources, and direct sunlight. Storage temperature should be kept below 25°C to prevent melting and vapor formation. The substance should be kept away from strong oxidizing agents, strong bases, and incompatible materials. Storage areas must be equipped with appropriate spill containment measures and should be accessible only to trained personnel.

Immediate action is required in case of contact with 4-methylphenol. For skin contact, remove contaminated clothing and flush the affected area with copious amounts of water for at least 15 minutes. In case of eye contact, rinse immediately with water for at least 15 minutes and seek medical attention. If inhaled, move the person to fresh air and provide respiratory support if needed. For ingestion, do not induce vomiting and seek immediate medical attention.

4-methylphenol must be disposed of as hazardous waste in accordance with local, national, and international regulations. The substance cannot be disposed of in regular waste streams or sewerage systems due to its toxic and corrosive properties. Disposal should be carried out by licensed waste management companies specialized in handling hazardous chemicals. Small quantities may be neutralized under controlled conditions by qualified personnel before disposal, following appropriate environmental regulations and safety protocols.

4-methylphenol is classified as dangerous goods under ADR regulations with class 6.1 (toxic substances) and packing group II. Transportation requires proper packaging in UN-approved containers with appropriate labeling including GHS06 and GHS05 pictograms and 'Danger' signal word. Shipping documents must include the proper shipping name, UN number, and hazard class. Only authorized carriers with proper training and equipment should handle the transportation of this substance.

4-methylphenol is subject to various chemical regulations including REACH registration requirements in Europe and CLP classification obligations. The substance is classified with hazard classes Acute Tox. 3 and Skin Corr. 1B, requiring specific labeling and safety data sheets. While not currently listed as an SVHC (Substance of Very High Concern), it must comply with occupational exposure limits and environmental discharge restrictions. Users must ensure proper risk assessment and implementation of appropriate risk management measures.

4-methylphenol is available through OYSI, a trusted European distributor of specialty chemicals serving industrial and professional customers across Europe. OYSI provides high-quality 4-methylphenol with complete documentation including safety data sheets and certificates of analysis. As an established chemical distributor, OYSI ensures compliance with European regulations and offers reliable supply chain management. Contact OYSI directly for pricing, availability, and technical support for your 4-methylphenol requirements.