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Polyethylene Glycol, (C2nH4n+2On+1), is synthesized by ring-opening polymerization of ethylene oxide. This synthesis process gives PEG a range of molecular weights and distributions from 300 grams per mole to 10,000,000 grams per mole.
PEG 400 has a molecular weight of 400 and is a clear, colorless, viscous liquid. Polyethylene Glycol is colorless, inert, odorless, and non-volatile. PEG is biocompatible (it won’t damage tissues or cells), hydrophilic, dissolves readily in water without changing the color odor or taste, and is nontoxic. Due to the high purity of Polyethylene Glycol 400, it is certified by the United States Pharmacopeia (USP) grade and the Food Chemicals Codex (FCC) grade.
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- PEG 400 is used in personal care products that need to remain viscous
- PEG 400 is used as a food additive and to preserve moisture
- PEG 400 is used to readily dissolve hydrophobic drugs
- PEG 400 is often used to make viscous lubricants
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Product Information
| CAS | 25322-68-3 |
|---|---|
| Grade | FCC Grade |
| Color | Passes Test |
| Physical form | Liquid |
| Appearance | Clear Liquid |
| Odor | Slight |
| pH | 4.5-7.5 (5% solution) |
| Melting point | 8°C (46.4°F) |
| Density | 1.128 g/mL at 25 °C (77 °F) |
| Solubility | Fully Miscible in Water |
| Molecular formula | C2nH4n+2On+1 |
| Molecular weight | 380 - 420 |
| Autoship Available | Yes |
| Clarity of Solution | Pass |
| Diethylene Glycol | 0.25 max |
| Evaporation rate | 0.01 (Butyl Acetate = 1.0) |
| Flash Point | 176 °C (348.8 °F) |
| Heavy metals | Max 5ppm |
| Viscosity | 6.8 - 8.0cst, at 98.9±0.3°C |
| Water | Max 0.500% |
