Dichloromethane, commonly referred to as Methylene Chloride or DCM, is a fundamental organic compound with the chemical formula CH2Cl2. Identified by its CAS number 75-09-2, this colorless, transparent liquid possesses a characteristic mild, sweet aroma, often described as ether-like. It is known for its relatively low boiling point and nonflammable properties under typical handling conditions, although its vapor can form a weakly combustible mixture in high concentrations and elevated temperatures. This makes it a preferred alternative to more flammable organic solvents in many industrial processes. Dichloromethane exhibits limited solubility in water but mixes readily with various organic solvents such as ethanol and diethyl ether, enhancing its utility in a wide array of applications.

The versatility of Dichloromethane stems from its potent solvency characteristics, allowing it to dissolve a broad spectrum of organic compounds. This property is critical across numerous industries, driving demand for high-purity grades. One of its most significant historical and ongoing uses is in paint stripping and varnish removal. DCM's ability to penetrate and dissolve many types of coatings makes it highly effective for preparing surfaces, although regulatory scrutiny in some regions has led to a search for alternatives in certain consumer applications. Nevertheless, its efficacy remains valued in specific industrial settings.

Beyond coatings removal, Dichloromethane serves as a crucial solvent in the manufacturing of pharmaceuticals. It acts as a reaction medium, an extraction solvent, and a crystallization solvent in the synthesis of various drug intermediates and active pharmaceutical ingredients (APIs). Its low boiling point facilitates easy removal from reaction mixtures, which is advantageous in pharmaceutical processing where residual solvents must be minimized. The electronic industry also utilizes DCM extensively as a cleaning and degreasing agent. Its ability to dissolve oils, greases, and other contaminants without damaging delicate components makes it ideal for cleaning circuit boards and precision parts during manufacturing.

Furthermore, Dichloromethane plays a vital role as an intermediate in organic synthesis. It is a precursor in the production of hydrofluorocarbon refrigerants, specifically R-32 (difluoromethane), which is increasingly used in modern air conditioning systems as a lower Global Warming Potential (GWP) alternative. It is also used in the production of other chemicals and compounds. The material finds application as an extractant in the food industry, for instance, in the decaffeination of coffee and tea, although regulatory frameworks govern its use to ensure consumer safety by limiting residual levels. In laboratories, it is a common solvent for chromatography and extraction procedures.

While powerful and versatile, handling Dichloromethane requires adherence to strict safety protocols due to its volatility and potential health effects, primarily affecting the central nervous system upon inhalation. Proper ventilation and personal protective equipment are essential during its use. Despite these considerations, its unique combination of properties ensures its continued importance in diverse industrial sectors, from chemical manufacturing to specialized cleaning applications and beyond.

For companies seeking a reliable source for high-purity Dichloromethane (CAS 75-09-2), understanding the global market dynamics and securing a consistent supply chain is paramount. Finding a reputable manufacturer and supplier is key to ensuring product quality and timely delivery. The price of Dichloromethane can fluctuate based on factors such as raw material costs, energy prices, production capacity, and regional demand. Therefore, engaging directly with an experienced supplier allows for access to current market information and competitive pricing structures for bulk purchase. Companies looking to buy Dichloromethane for industrial applications should investigate potential manufacturers and suppliers to verify their production standards, quality control processes, and logistical capabilities. Obtaining a detailed quote helps in planning the budget for the required purchase. Discussing specific purity requirements and potential contract terms for consistent supply is also advisable when engaging with a prospective manufacturer or supplier. In summary, sourcing Dichloromethane requires careful consideration of both the product's technical specifications and the reliability of the chosen manufacturer and supplier to ensure a smooth and cost-effective purchase process.