Polyethylene glycol diacrylate (PEGDA 400) is a long-chain, hydrophilic, crosslinking monomer. MW of PEG unit = 400, n = ~9 PEG-based cross-linked polymeric materials (hydrogels) are suitable carriers for drug delivery and various other biomedical applications.1-4 Shipping Requirements: Cold Pack Synonyms/Acronyms: PEGDA PEG diacrylate Polyethylene glycol diacrylate