Overview
Dimethyl succinate is an organic compound classified as a diester of succinic acid. It is commonly used in various industrial applications due to its favorable solvent properties and low toxicity. The ester is synthesized through the esterification of succinic acid with methanol, a process widely employed in chemical manufacturing. Dimethyl succinate is valued for its versatility, serving as a key intermediate in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its mild odor and stability make it suitable for applications requiring a non-reactive solvent or plasticizer.
Physical and Chemical Properties
Dimethyl succinate is a colorless to pale yellow liquid with a faint, ester-like odor. It has a molecular weight of 146.14 g/mol and a density of 1.12 g/cm³ at 20°C. The compound exhibits a melting point of 19-21°C and a boiling point of 196-198°C, making it stable under typical storage conditions. Its solubility profile includes miscibility with water, ethanol, and ether, which enhances its utility as a solvent in various formulations. The ester's chemical stability and low volatility contribute to its widespread use in industrial processes.
Main Applications
Dimethyl succinate is primarily utilized as a solvent in coatings, inks, and adhesives due to its ability to dissolve a wide range of organic compounds. It also functions as a plasticizer in polymer production, improving flexibility and workability of materials like PVC and cellulose derivatives. In the pharmaceutical industry, it serves as an intermediate in the synthesis of active pharmaceutical ingredients (APIs). Additionally, it is employed as a flavoring agent in food products, contributing to fruity or sweet flavor profiles.
Safety and Storage
While dimethyl succinate is considered low in toxicity, proper safety measures should be observed. Avoid inhalation of vapors, ingestion, and prolonged skin contact. Use gloves, goggles, and respiratory protection when handling the chemical in concentrated forms. Storage should be in a cool, dry, well-ventilated area away from heat sources and open flames. Containers must be tightly sealed to prevent moisture absorption and contamination. In case of spills, absorb with inert material and dispose of according to local regulations.
B2B Procurement Guide
When procuring dimethyl succinate, verify the supplier's certification and request a Certificate of Analysis (COA) to ensure product purity meets your requirements. Common purity grades range from 98% to 99.5%, with higher grades commanding premium prices. Bulk purchases typically offer cost advantages, with drum (200 kg) or IBC (1000 kg) quantities being most economical. Consider logistics factors such as storage capacity and handling equipment when ordering large volumes. For specialized applications, custom formulations or packaging may be available from select suppliers.
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