4-chloro-3,5-dimethylphenol

4-chloro-3,5-dimethylphenol is an aromatic chlorinated phenolic compound with the molecular formula C8H9ClO and CAS number 88-04-0. This organic chemical features a benzene ring substituted with one chlorine atom and two methyl groups in addition to a hydroxyl group. With a molecular weight of 156.61 g/mol, it belongs to the family of chlorophenols and exhibits properties typical of substituted phenolic compounds used in various industrial applications.

4-chloro-3,5-dimethylphenol typically appears as a white to off-white crystalline solid at room temperature with a characteristic phenolic odor. The compound has moderate solubility in water and good solubility in organic solvents such as alcohols, ethers, and aromatic hydrocarbons. Its chlorinated aromatic structure provides stability while the phenolic hydroxyl group contributes to its reactivity and solubility characteristics, making it suitable for various chemical synthesis applications.

4-chloro-3,5-dimethylphenol serves primarily as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. It is commonly used in the production of antimicrobial agents, preservatives, and disinfectants due to its phenolic structure. The compound also finds applications in polymer chemistry as a building block for resins and as a precursor for various organic syntheses in fine chemical manufacturing and research laboratories.

4-chloro-3,5-dimethylphenol requires careful handling with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Work should be conducted in well-ventilated areas or under fume hoods to avoid inhalation. The compound is classified as Acute Tox. 4, Skin Irrit. 2, Eye Irrit. 2, and Skin Sens. 1, requiring awareness of potential skin sensitization and irritation risks during manipulation.

4-chloro-3,5-dimethylphenol should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources. Keep away from incompatible materials such as strong oxidizing agents, strong bases, and reactive metals. Storage areas should be equipped with appropriate spill containment measures and maintained at stable temperatures to prevent degradation. Ensure containers are properly labeled and stored according to local chemical storage regulations.

Immediate action is required upon contact with 4-chloro-3,5-dimethylphenol. 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, flush immediately with clean water for 15 minutes while holding eyelids open. If inhaled, move to fresh air immediately. Seek medical attention if irritation persists or if ingestion occurs. Do not induce vomiting if swallowed.

4-chloro-3,5-dimethylphenol waste must be disposed of according to local and national hazardous waste regulations as it contains chlorinated organic compounds. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Do not discharge into drains, waterways, or soil. Small laboratory quantities may require specific collection and treatment procedures. Maintain proper documentation of disposal activities and follow all applicable environmental regulations for halogenated organic waste streams.

4-chloro-3,5-dimethylphenol is classified under ADR Class 6.1 (toxic substances), Packing Group II, requiring appropriate hazardous materials packaging and documentation for transport. Shipments must use UN-approved packaging suitable for toxic solids and be accompanied by proper shipping papers, emergency response information, and hazard labels. Transport vehicles must comply with ADR regulations for Class 6.1 materials, including appropriate placarding and driver certification requirements.

4-chloro-3,5-dimethylphenol is subject to REACH regulation requiring registration for manufacture or import above specified tonnages in the EU. The compound is classified under CLP regulation with harmonized classification requiring appropriate labeling with GHS07 pictogram and 'Warning' signal word. While not currently identified as SVHC, it remains subject to standard chemical safety assessment requirements and may be subject to additional national restrictions depending on specific applications and use patterns.

4-chloro-3,5-dimethylphenol is available through OYSI, a European distributor of specialty chemicals serving industrial and research customers across the continent. OYSI provides reliable supply chains for laboratory and industrial quantities with appropriate technical documentation and regulatory compliance support. Contact OYSI directly for availability, specifications, and delivery options to your location. Professional chemical distributors ensure proper handling, packaging, and documentation for safe delivery of this regulated substance.