Methyl 2-methylprop-2-enoate

Methyl 2-methylprop-2-enoate is an organic chemical compound with the molecular formula C5H8O2 and CAS number 80-62-6. Also known as methyl methacrylate (MMA), it is a methyl ester of methacrylic acid with a molecular weight of 100.12 g/mol. This colorless liquid is classified as a flammable substance and skin sensitizer, featuring vinyl functionality that makes it highly reactive for polymerization processes.

Methyl 2-methylprop-2-enoate is a colorless, transparent liquid with a characteristic sharp, fruity odor at room temperature. It has a molecular weight of 100.12 g/mol and exhibits limited solubility in water but good miscibility with most organic solvents. The compound is highly volatile and flammable, with strong reactivity due to its methacrylate double bond, making it prone to spontaneous polymerization under certain conditions.

Methyl 2-methylprop-2-enoate is primarily used as a monomer in the production of polymethyl methacrylate (PMMA) plastics and acrylic resins. It serves as a key raw material in manufacturing transparent plastics, coatings, adhesives, and dental materials. The compound is also utilized in the production of impact modifiers, textile finishing agents, and as a chemical intermediate in various polymerization processes across multiple industrial applications.

Methyl 2-methylprop-2-enoate requires careful handling due to its flammable nature and skin sensitizing properties. Wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation to prevent vapor accumulation and eliminate ignition sources. Handle in well-ventilated areas away from heat, sparks, and open flames. Avoid direct skin and eye contact, and implement proper grounding procedures during transfer operations.

Methyl 2-methylprop-2-enoate must be stored in a cool, dry, well-ventilated area away from heat sources, direct sunlight, and ignition sources. Keep containers tightly sealed and store below recommended temperature limits to prevent polymerization. Separate from strong oxidizers, acids, and bases to avoid incompatible reactions. Use appropriate secondary containment and ensure storage areas comply with flammable liquid storage regulations and local fire safety codes.

Skin contact with methyl 2-methylprop-2-enoate requires immediate removal of contaminated clothing and thorough washing with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. In case of ingestion, do not induce vomiting and seek immediate medical assistance. Remove from heat sources and provide supportive care as needed.

Methyl 2-methylprop-2-enoate disposal must comply with local, national, and EU waste regulations as a hazardous chemical waste. Contact licensed waste disposal contractors specialized in flammable and hazardous organic chemicals. Do not discharge into sewers, water bodies, or regular waste streams. Small quantities may be allowed for controlled incineration at authorized facilities. Always consult current waste classification codes and disposal requirements before proceeding with disposal activities.

Methyl 2-methylprop-2-enoate is classified as ADR Class 3 (flammable liquids), Packing Group II for transportation purposes. Transport requires appropriate UN-specification packaging, proper labeling with GHS02 and GHS07 pictograms, and hazard identification numbers. Vehicles must comply with ADR regulations for flammable liquids, including proper ventilation, emergency equipment, and driver certification. Ensure proper documentation and emergency response information accompanies all shipments.

Methyl 2-methylprop-2-enoate is regulated under various European frameworks including REACH registration requirements and CLP classification regulations. It is classified with multiple hazard classes including flammable liquid, skin irritant, and skin sensitizer, requiring appropriate safety data sheets and hazard communication. While not currently listed as an SVHC substance, it remains subject to standard chemical safety assessments, workplace exposure limits, and industrial emissions regulations across EU member states.

Methyl 2-methylprop-2-enoate is available through OYSI, a specialized European distributor of technical chemicals serving industrial customers across the continent. OYSI provides reliable supply chains for this important chemical intermediate, ensuring compliance with European regulations and quality standards. As a professional chemical distributor, OYSI offers technical support and appropriate documentation for industrial applications requiring this methacrylate monomer.