2-methylprop-2-enoic acid

2-methylprop-2-enoic acid is an organic compound with the molecular formula C4H6O2 and CAS number 79-41-4. Also known as methacrylic acid, it is an unsaturated carboxylic acid with a molecular weight of 86.09 g/mol. This colorless liquid features a double bond in its structure, making it highly reactive for polymerization processes. It belongs to the acrylic acid family and is classified as a corrosive substance with acute toxicity properties, requiring careful handling in industrial applications.

2-methylprop-2-enoic acid is a colorless to pale yellow liquid at room temperature with a characteristic pungent, acrid odor. The compound is highly soluble in water and most organic solvents due to its carboxylic acid functionality. It has a relatively low molecular weight of 86.09 g/mol and exhibits typical properties of unsaturated carboxylic acids. The presence of both a carboxyl group and a vinyl group makes it prone to polymerization, especially under heat or in the presence of initiators.

2-methylprop-2-enoic acid is primarily used as a monomer in the production of polymethacrylic acid and its derivatives. It serves as a key raw material for manufacturing acrylic resins, coatings, adhesives, and sealants. The compound is essential in producing superabsorbent polymers, textile treatments, and water treatment chemicals. Additionally, it finds applications in the synthesis of various chemical intermediates and as a crosslinking agent in polymer chemistry, making it valuable across multiple industrial sectors.

2-methylprop-2-enoic acid must be handled with extreme caution due to its corrosive nature and acute toxicity. Essential personal protective equipment includes chemical-resistant gloves, safety goggles, face shields, 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, and ensure emergency eyewash stations and safety showers are readily accessible. Handle containers carefully to prevent spills and always use appropriate tools for transfer operations.

2-methylprop-2-enoic acid should be stored in tightly sealed containers made of compatible materials, away from heat sources, direct sunlight, and ignition sources. Storage areas must be cool, dry, and well-ventilated to prevent vapor accumulation. Keep the substance separated from strong oxidizing agents, bases, and polymerization initiators to avoid dangerous reactions. Containers should be properly labeled and stored in secondary containment systems to manage potential leaks. Regular inspection of storage containers is essential to detect any signs of deterioration or contamination.

Immediate action is crucial following contact with 2-methylprop-2-enoic acid due to its corrosive properties. 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 clean water for at least 15 minutes while holding eyelids open. If inhaled, move the person to fresh air and seek medical attention. For ingestion, do not induce vomiting and seek immediate medical care. Always consult a physician after any significant exposure.

2-methylprop-2-enoic acid must be disposed of in accordance with local, national, and international hazardous waste regulations. The substance cannot be discharged into sewers, soil, or water bodies due to its corrosive nature and environmental impact. Disposal should be carried out through licensed hazardous waste contractors who can properly neutralize or incinerate the material at authorized facilities. Small quantities may require neutralization under controlled conditions before disposal, but this should only be performed by trained professionals following established safety protocols.

2-methylprop-2-enoic acid is classified under ADR Class 8 (corrosive substances), Packing Group II, indicating moderate danger level during transport. Packaging must comply with UN specifications for corrosive liquids, using appropriate containers that resist chemical attack. Transport vehicles must display proper hazard placards and carry emergency response information. Drivers require ADR training for handling corrosive materials, and transport documentation must include proper shipping names, hazard classes, and emergency contact information. Segregation from incompatible materials is mandatory during transport operations.

2-methylprop-2-enoic acid is subject to comprehensive chemical regulations including REACH registration requirements in Europe and CLP classification as a corrosive substance with acute toxicity. The compound is not currently listed as a Substance of Very High Concern (SVHC) but must comply with standard chemical safety assessments and supply chain communication requirements. Users must maintain safety data sheets, implement appropriate risk management measures, and ensure proper labeling with GHS pictograms GHS05 and GHS07, along with the danger signal word.

2-methylprop-2-enoic acid is available through OYSI, a trusted European distributor of technical chemicals serving industrial customers across the region. OYSI provides reliable supply chain solutions with proper documentation, safety data sheets, and regulatory compliance support for this corrosive chemical. As a specialized chemical distributor, OYSI ensures product quality, appropriate packaging, and professional handling throughout the supply process. Contact OYSI directly for specific availability, packaging options, and technical support for your 2-methylprop-2-enoic acid requirements.