PEG 400
From Wikipedia, the free encyclopedia
_alternate.svg) | |
| Names | |
|---|---|
| IUPAC name
Polyethylene glycol | |
| Identifiers | |
| ChemSpider |
|
| UNII | |
| Properties | |
| C2nH4n+2On+1, n = 8.2 to 9.1 | |
| Molar mass | 380-420 g/mol |
| Density | 1.128 g/cm3 |
| Melting point | 4 to 8 °C (39 to 46 °F; 277 to 281 K) |
| Viscosity | 90.0 cSt at 25 °C, 7.3 cSt at 99 °C |
| Hazards | |
| Flash point | 238 °C (460 °F; 511 K) |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
30 mL/kg, orally in rats |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| |
PEG 400 (polyethylene glycol 400) is a low-molecular-weight grade of polyethylene glycol. It is a clear, colorless, viscous liquid. Due in part to its low toxicity, PEG 400 is widely used in a variety of pharmaceutical formulations.
