Polyethylene glycol (PEG), also known as macrogol or polyethylene oxide (PEO), is a synthetic, hydrophilic (water-loving) polymer with a wide range of applications in medicine, chemistry, and industrial products. It is considered biologically inert and nontoxic
| CAS No. | 25322-68-3 |
| Molecular Weight (g/mol) | |
| Molecular Formula | H-(OCH₂CH₂)n-OH |