1-methyl-4-propan-2-ylbenzene

1-methyl-4-propan-2-ylbenzene is an aromatic hydrocarbon compound with the molecular formula C10H14 and CAS number 99-87-6. Also known as para-cymene, it belongs to the family of monoterpenes and consists of a benzene ring substituted with a methyl group and an isopropyl group in para position. With a molecular weight of 134.22 g/mol, this colorless liquid exhibits characteristic aromatic properties and is classified as a flammable substance with multiple hazard classifications including acute toxicity and aspiration hazard.

1-methyl-4-propan-2-ylbenzene is a colorless to pale yellow liquid at room temperature with a characteristic aromatic, citrus-like odor. The compound has a molecular weight of 134.22 g/mol and demonstrates typical aromatic hydrocarbon properties. It is practically insoluble in water but readily soluble in organic solvents such as alcohols, ethers, and other hydrocarbons. The substance exhibits flammable properties and volatility at ambient temperatures, contributing to its classification as a flammable liquid category 3.

1-methyl-4-propan-2-ylbenzene serves as an important industrial intermediate and solvent in various chemical processes. It is commonly used in the synthesis of fragrances, flavoring agents, and other aromatic compounds due to its pleasant citrus-like odor. The compound also finds applications as a solvent in paint and coating formulations, as well as in the production of resins and polymers. Additionally, it serves as a precursor in the manufacture of various chemical intermediates and specialty chemicals in pharmaceutical and cosmetic industries.

1-methyl-4-propan-2-ylbenzene requires careful handling due to its flammable nature and toxicity classifications. 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 vapor inhalation. Avoid contact with skin and eyes, and eliminate all ignition sources including open flames, sparks, and hot surfaces. Ground all equipment to prevent static discharge, and use explosion-proof electrical equipment in areas where vapors may accumulate.

1-methyl-4-propan-2-ylbenzene must be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames. Use appropriate containers made of compatible materials and ensure they are tightly sealed to prevent vapor release. The storage area should be equipped with fire suppression systems and maintained below 25°C when possible. Keep away from incompatible materials such as strong oxidizing agents, acids, and bases. Ensure proper grounding of containers and use appropriate secondary containment to prevent environmental contamination in case of spills.

Immediate action is required in case of contact with 1-methyl-4-propan-2-ylbenzene due to its acute toxicity classification. 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 at least 15 minutes and seek medical attention. If inhaled, move the person to fresh air and monitor breathing. If swallowed, do not induce vomiting due to aspiration hazard - seek immediate medical attention and provide medical personnel with the safety data sheet.

1-methyl-4-propan-2-ylbenzene must be disposed of according to local, national, and EU waste regulations as a hazardous chemical waste. The substance cannot be disposed of in regular waste streams due to its flammable and toxic properties. Contact licensed hazardous waste disposal companies for proper collection and treatment. Incineration at authorized high-temperature facilities is typically the preferred disposal method. Empty containers should also be treated as hazardous waste unless properly cleaned. Ensure all disposal activities comply with waste framework directive and local environmental protection requirements.

1-methyl-4-propan-2-ylbenzene is classified as ADR Class 3 (flammable liquids), Packing Group III for transportation purposes. Transport must comply with ADR/RID regulations for dangerous goods, requiring appropriate packaging, labeling, and documentation. Vehicles must carry proper placarding and emergency equipment. Drivers need ADR certification for Class 3 substances. Use UN-approved packaging and ensure proper securing of containers to prevent damage during transport. Transport documents must include proper shipping name, UN number, hazard class, and emergency contact information for compliance with international dangerous goods regulations.

1-methyl-4-propan-2-ylbenzene is subject to various European chemical regulations including REACH registration requirements and CLP classification standards. The substance is classified under multiple hazard categories requiring specific labeling with GHS pictograms (GHS02, GHS06, GHS08, GHS09) and 'Danger' signal word. It falls under workplace safety regulations due to its acute toxicity and aspiration hazard classifications. However, it is not currently listed as a Substance of Very High Concern (SVHC). Companies must ensure proper risk assessments, safety data sheets, and worker protection measures are implemented according to occupational health regulations.

1-methyl-4-propan-2-ylbenzene is available through OYSI, a specialized European distributor of technical chemicals and industrial raw materials. OYSI provides reliable supply chains across Europe with proper documentation including certificates of analysis and safety data sheets compliant with European regulations. As a professional chemical distributor, OYSI ensures proper packaging, labeling, and transportation according to ADR requirements. Contact OYSI's technical sales team for specific grades, quantities, and delivery options to meet your industrial or research requirements while ensuring full regulatory compliance and quality assurance.