Overview
Methyl 2-hydroxypropanoate, commonly known as methyl lactate, is an organic ester derived from lactic acid. It is widely used in industries such as pharmaceuticals, food, and chemicals due to its favorable properties, including biodegradability and low toxicity. The compound is primarily synthesized through the esterification of lactic acid with methanol. Its versatility makes it a valuable intermediate in various chemical processes. In addition to its industrial applications, methyl lactate is recognized for its mild odor and solubility in water and organic solvents. These characteristics contribute to its widespread use as a solvent and flavoring agent. The compound is also considered environmentally friendly, aligning with the growing demand for sustainable chemical solutions.
Physical and Chemical Properties
Methyl 2-hydroxypropanoate is a colorless liquid with a density of 1.09 g/cm³ and a boiling point of 144-145°C. It is soluble in water, ethanol, and ether, making it a versatile solvent for various applications. The compound has a melting point of -66°C, which allows it to remain liquid under most ambient conditions. Chemically, methyl lactate is stable under normal conditions but can hydrolyze in the presence of strong acids or bases. Its molecular formula is C4H8O3, with a molecular weight of 104.10 g/mol. The ester's mild odor and low toxicity make it suitable for use in food and pharmaceutical industries, where safety and sensory properties are critical.
Main Applications
Methyl lactate serves as a key intermediate in the pharmaceutical industry, where it is used in the synthesis of active pharmaceutical ingredients (APIs). Its solvent properties are leveraged in the production of coatings, adhesives, and inks. In the food industry, it is employed as a flavoring agent due to its mild, pleasant odor. The compound is also used in the manufacture of biodegradable plastics and as a green solvent in industrial cleaning applications. Its biodegradability and low environmental impact make it a preferred choice for companies aiming to reduce their carbon footprint. Additionally, methyl lactate finds applications in cosmetics and personal care products as a mild solvent and emollient.
Safety and Storage
Methyl 2-hydroxypropanoate is generally considered safe when handled properly, but precautions should be taken to avoid inhalation, skin contact, or eye exposure. Personal protective equipment (PPE), such as gloves and goggles, is recommended during handling. The compound should be stored in a cool, dry, well-ventilated area away from heat sources and open flames. In case of accidental exposure, affected areas should be rinsed thoroughly with water. Spills should be contained and cleaned up promptly using absorbent materials. Proper disposal methods should be followed to prevent environmental contamination. Safety data sheets (SDS) provided by suppliers should be consulted for detailed handling and emergency measures.
B2B Procurement Guide
When procuring methyl 2-hydroxypropanoate, buyers should verify the CAS number (547-64-8) and ensure the product meets required purity specifications. Suppliers should provide certificates of analysis (CoA) and material safety data sheets (MSDS) to confirm quality and safety standards. It is advisable to source from reputable manufacturers with a track record of reliable supply. Bulk purchases may offer cost advantages, but storage capacity and shelf life should be considered. Buyers should also evaluate logistical options, such as transportation and packaging, to ensure product integrity upon delivery. For reference, the price range is approximately $10-$20 per kg, depending on purity and order volume.
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