1-ethenyl-2-methylbenzene

1-ethenyl-2-methylbenzene is an aromatic hydrocarbon compound with the molecular formula C9H10 and CAS number 611-15-4. Also known as 2-methylstyrene or ortho-methylstyrene, it belongs to the styrene family of compounds. This substance has a molecular weight of 118.18 g/mol and appears as a colorless to pale yellow liquid with a characteristic aromatic odor. It is classified as a vinyl aromatic monomer used in various chemical synthesis applications.

1-ethenyl-2-methylbenzene is a colorless to pale yellow liquid at room temperature with a distinctive sweet, aromatic odor typical of styrene derivatives. It has a molecular weight of 118.18 g/mol and is poorly soluble in water but readily miscible with most organic solvents such as alcohols, ethers, and hydrocarbons. The compound is volatile and can polymerize under certain conditions, particularly when exposed to heat, light, or catalysts.

1-ethenyl-2-methylbenzene is primarily used as a monomer in polymer synthesis and chemical manufacturing. It serves as a building block for producing specialty polymers, resins, and copolymers with unique properties. The compound is utilized in the manufacture of plastics, synthetic rubber, and various polymer materials. It also finds applications in organic synthesis as an intermediate for producing other aromatic compounds and in research and development for specialty chemical formulations.

1-ethenyl-2-methylbenzene requires careful handling due to its Acute Tox. 4 classification. Use appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation to prevent vapor accumulation. Avoid skin and eye contact, and prevent inhalation of vapors. Work in well-ventilated areas or under fume hoods. Keep away from heat sources, sparks, and open flames as it is flammable. Ground equipment to prevent static electricity buildup.

1-ethenyl-2-methylbenzene should be stored in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers upright and protected from physical damage. Store away from strong oxidizing agents, acids, and bases to prevent incompatible reactions. Maintain storage temperature below 25°C to prevent polymerization. Use appropriate secondary containment and ensure storage areas are equipped with fire suppression systems due to its flammable nature.

In case of skin contact with 1-ethenyl-2-methylbenzene, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15-20 minutes and seek medical attention. If inhaled, move the person to fresh air immediately. If ingested, do not induce vomiting and seek immediate medical attention. In all cases of significant exposure, consult a physician promptly.

1-ethenyl-2-methylbenzene must be disposed of in accordance with local, national, and international waste regulations. It should be treated as hazardous waste due to its toxicity and environmental impact classification (Aquatic Chronic 2). Contact licensed waste disposal companies for proper treatment and disposal. Do not discharge into drains, sewers, or water bodies. Small quantities may be incinerated at high temperatures in approved facilities. Always consult local environmental authorities for specific disposal requirements.

1-ethenyl-2-methylbenzene is classified under ADR Class 3 (flammable liquids), Packing Group III for transportation. It must be transported in approved containers and vehicles suitable for flammable liquids. Proper shipping documentation, labeling with appropriate hazard pictograms (GHS07, GHS09), and placarding are required. Transport should comply with dangerous goods regulations, including proper segregation from incompatible materials. Drivers must be trained in hazardous materials handling and emergency procedures.

1-ethenyl-2-methylbenzene is subject to various chemical regulations including REACH registration requirements in Europe and CLP classification showing Warning signal word with GHS07 and GHS09 pictograms. It is not currently listed as an SVHC (Substance of Very High Concern). The substance must comply with occupational safety regulations, environmental protection laws, and transport regulations. Users must maintain safety data sheets, implement appropriate risk management measures, and ensure proper worker training and protection.

1-ethenyl-2-methylbenzene is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this substance to industrial customers across Europe with proper documentation, safety data sheets, and regulatory compliance support. As a professional chemical distributor, OYSI ensures product quality, proper packaging, and adherence to all relevant safety and transport regulations. Contact OYSI directly for availability, technical specifications, and delivery options to your specific European location.