| POLYMER CLASS | Polyglycol |
| COMMON NAMES | Polyacetal, Poly(formaldehyde), Polymethylene glycol, Delrin®, Celcon®, Duracon® |
| STRUCTURE BASED NAME | Poly(oxymethylene), Poly(methylene oxide) |
| ACRONYMS | POM |
| CAS # | 9002-81-7 |
| CurlySMILES | C{-}O{n+} |
| CAS # | 50-00-0 |
| COMMON NAMES | Methanal |
| SMILES | C=O |
| Std. InChI | 1S/CH2O/c1-2/h1H2 |
| Std. InChIKey | WSFSSNUMVMOOMR-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 24.0 - 25.0 | 24.5 |
| Density ρ | g mL-1 | 1.20 - 1.25 | 1.23 |
| Solubility Parameter δ | MPa1/2 | 20.9 - 22.5 | 21.1 |
| Molar Cohesive Energy Ecoh | J mol-1 | 10700 - 12400 | 10900 |
| Glass Transition Temperature Tg | K | 188 - 243 | 211 |
| Molar Heat Capacity Cp | J (mol K)-1 | 58 - 63 | 61 |
| Entanglement Molecular Weight Me | g mol-1 | 2500 - 2600 | 2550 |
| Index of Refraction n | none | 1.48 - 1.51 | 1.495 |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 30.03 | |
| Van-der-Waals Volume VvW | mL mol-1 | 12.25 | |
| Molar Volume Vm | mL mol-1 | 22.0 - 26.4 | 23.7 |
| Density ρ | g mL-1 | 1.14 - 1.36 | 1.27 |
| Solubility Parameter δ | MPa1/2 | 19.9 - 22.9 | 21.3 |
| Molar Cohesive Energy Ecoh | J mol-1 | 10100 - 11500 | 10700 |
| Glass Transition Temperature Tg | K | 207 - 226 | 216 |
| Molar Heat Capacity Cp | J (mol K)-1 | 62 - 66 | 63 |
| Entanglement Molecular Weight Me | g mol-1 | 2000 - 3700 | 2900 |
| Index of Refraction n | none | 1.44 - 1.48 | 1.47 |