Dimethyl oxalate

　　Main Uses

　　Organic Synthesis Intermediate:

　　The primary use is the preparation of ethylene glycol (an important polyester raw material used in the production of polyester, antifreeze, etc.) via reduction reactions. In particular, in the "coal-to-ethylene glycol" process, dimethyl oxalate is a key intermediate, resolving the dependency on traditional petroleum routes.

　　Used to synthesize other esters and amides, and further to prepare pharmaceutical and agrochemical intermediates (such as precursors for certain antibiotics and herbicides).

　　Solvent and Plasticizer: Due to its good solubility for organic substances, it can serve as a special specialty solvent in industries like coatings and inks; it can also be used as a raw material for plasticizers to improve the flexibility of plastics (though this application is less common due to higher costs).

　　Analytical Chemistry Reagent: Used in laboratories for instrument calibration (such as gas chromatography) or as a standard substance, and also as a control sample in organic synthesis reactions.

CAS NO: 553-90-2

EC NO: 209-053-6

Molecular Formula: C₄H₆O₄

Molecular Weight: 118.088

Alias: Dimethyl oxalate; Methyl oxalate;

Structural Formula: