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Dithiodi-2, 1-Ethanediyl bismethacrylate, also known as Bis(2-methacryloyl)oxyethyl disulfide (DSDMA), belongs to dithiodi-dimethacrylate monomers. It is widely used as a crosslinker for the synthesis of various polymers with special properties such as REDOX sensitivity and self-healing. DSDMA contains disulfide bonds that can be cleaved under specific conditions, so it can be used in drug delivery systems. It can also undergo mercaptan - disulfide exchange reaction, and thus react with mercaptan in the polymer to form covalent cross-linking. This property allows it to form networks and gels in polymer systems. In addition, DSDMA can be used to develop biomedical materials such as tissue-engineered scaffolds. Its ability to form stable crosslinks in biological environments makes it suitable for these applications.

Dithiodi-2, 1-Ethanediyl bismethacrylate can be used in the following applications:
(1) Used as a crosslinker in the synthesis of reduction-responsive molecularly imprinted polymer (MIPs) nanogels for drug delivery applications. This reduction-responsive property allows for control over drug delivery and modulation of the release properties of the MIPs.
(2) Used as a crosslinker in the synthesis of self-healing polymer nanocomposites via dynamic disulfide exchange reaction and crosslinking properties. These self-healing polymer nanocomposites can be used in coatings, electronics, and packaging applications.
(3) Used as a redox-responsive cross-linker in the synthesis of zwitterionic hydrogels for effective drug delivery. DSDMA provides structural stability, redox-responsiveness, and self-healing properties, which are essential for effective drug delivery.