Methyl acetate

Methyl acetate is an organic chemical compound with the molecular formula C3H6O2 and CAS number 79-20-9. It belongs to the ester family and has a molecular weight of 74.08 g/mol. This colorless, volatile liquid is commonly used as a solvent in various industrial applications. Due to its flammable nature and potential health effects, it is classified as a hazardous substance requiring proper handling and safety precautions.

Methyl acetate is a colorless, volatile liquid with a pleasant fruity odor reminiscent of glue or nail polish remover. It has good solubility in water and is miscible with most organic solvents including alcohols and ethers. The compound has a relatively low boiling point, making it highly volatile at room temperature. Its ester structure gives it characteristic chemical reactivity, particularly susceptibility to hydrolysis in the presence of acids or bases.

Methyl acetate is primarily used as a solvent in the paint, coating, and adhesive industries due to its excellent dissolving properties and fast evaporation rate. It serves as a cleaning agent for removing oils, greases, and other organic residues. The compound is also utilized in the production of synthetic leather, textile processing, and as an extraction solvent in chemical manufacturing. Additionally, it finds application in nail polish removers and other cosmetic formulations.

Methyl acetate requires careful handling due to its flammable nature and potential to cause eye irritation and narcotic effects. Always wear appropriate personal protective equipment including safety goggles, chemical-resistant gloves, and protective clothing. Ensure adequate ventilation or use respiratory protection when working in enclosed spaces. Keep away from ignition sources, heat, and open flames. Work in well-ventilated areas and avoid prolonged inhalation of vapors to prevent central nervous system effects.

Methyl acetate should be stored in a cool, dry, well-ventilated area away from heat sources, sparks, and open flames. Use only approved containers and keep them tightly closed to prevent vapor escape. Store separately from strong oxidizing agents, acids, and bases to avoid dangerous reactions. Maintain storage temperature below 25°C and ensure proper grounding of containers to prevent static electricity buildup. Regular inspection of containers for leaks or damage is essential for safe storage.

In case of skin contact with methyl acetate, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with plenty of clean water for at least 15 minutes while holding eyelids open. If inhaled, move the person to fresh air and seek medical attention if breathing difficulties persist. In case of ingestion, do not induce vomiting and seek immediate medical attention.

Methyl acetate waste must be disposed of in accordance with local, national, and international environmental regulations. The substance should never be poured down drains or released into the environment. Contact licensed waste disposal companies for proper treatment and disposal. Small quantities can often be recovered through distillation for reuse. Always consult safety data sheets and local authorities for specific disposal requirements, as regulations may vary by region and quantity.

Methyl acetate is classified under ADR as Class 3 (flammable liquids), Packing Group II, making it subject to specific transport regulations. It must be transported in approved containers and vehicles equipped for hazardous materials. Proper labeling with GHS02 and GHS07 pictograms and 'Danger' signal word is mandatory. Transport documents must include the UN number and proper shipping name. Drivers must have appropriate hazardous materials training and carry emergency response information during transport.

Methyl acetate is regulated under various European legislations including REACH and CLP regulations. It is classified as Flam. Liq. 2, STOT SE 3, and Eye Irrit. 2 under CLP, requiring appropriate labeling and safety data sheets. The substance is not listed as a SVHC (Substance of Very High Concern) under REACH. Users must comply with workplace exposure limits and ensure proper risk assessment and management measures are in place according to occupational health and safety regulations.

Methyl acetate is available through OYSI, a trusted European distributor of technical chemicals serving industrial and professional customers across Europe. OYSI provides high-quality methyl acetate with complete documentation including safety data sheets and certificates of analysis. As a specialized chemical distributor, OYSI ensures compliance with European regulations and offers technical support for proper handling and application guidance. Contact OYSI directly for availability, specifications, and delivery options in your region.