Dimethoxymethane
Overview
Dimethoxymethane, commonly known as methylal, is an organic compound with the formula C3H8O2. It is a colorless, volatile liquid with a pleasant, ether-like odor. This compound is highly flammable and exhibits excellent solvency properties, making it a valuable solvent in various industrial applications. Dimethoxymethane is produced through the reaction of methanol with formaldehyde. Its low toxicity and high volatility make it suitable for use in pharmaceuticals, perfumes, and adhesives. Additionally, it serves as an intermediate in organic synthesis and as a fuel additive due to its ability to improve combustion efficiency.
Physical and Chemical Properties
Dimethoxymethane is characterized by its low boiling point (42 °C) and density (0.86 g/cm³), which contribute to its high volatility. It is soluble in water, alcohol, and ether, making it a versatile solvent for various chemical processes. The compound is stable under normal conditions but can form explosive peroxides upon prolonged exposure to air. Its flammability requires careful handling and storage. Dimethoxymethane's pleasant odor and low toxicity make it preferable for applications where user exposure is a concern.
Main Applications
Dimethoxymethane is widely used as a solvent in the pharmaceutical industry for the extraction and purification of active ingredients. Its ability to dissolve a wide range of substances makes it ideal for perfumes and adhesives. In organic synthesis, it serves as a protecting group for aldehydes and ketones. As a fuel additive, dimethoxymethane improves combustion efficiency and reduces emissions. Its applications extend to the production of resins, plastics, and other specialty chemicals.
Safety and Storage
Due to its flammability, dimethoxymethane must be stored in a cool, dry, well-ventilated area away from heat sources and open flames. Containers should be tightly sealed to prevent vapor release. Personal protective equipment, including gloves and goggles, should be worn when handling the compound. In case of spillage, absorb with inert material and dispose of according to local regulations. Avoid inhalation and skin contact to prevent irritation or other adverse effects.
B2B Procurement Guide
When procuring dimethoxymethane, verify the supplier's compliance with safety and quality standards. Ensure the product's CAS number (109-87-5) and purity specifications match your requirements. Consider bulk purchasing for cost savings, but ensure proper storage facilities are available. Request safety data sheets (SDS) and certificates of analysis (CoA) to confirm product quality. Establish long-term relationships with reliable suppliers to ensure consistent supply and competitive pricing.
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