| POLYMER CLASS | Polyhalostyrene |
| COMMON NAMES | Poly(2,5-difluorostyrene), Poly(1,4-difluoro-2-vinylbenzene) |
| STRUCTURE BASED NAME | Poly[1-(2,5-difluorophenyl)ethane-1,2-diyl], Poly(2,5-difluorophenylethylene) |
| ACRONYMS | |
| CAS # | |
| CurlySMILES | C{-}C{n+}(c1c(F)ccc(F)c1) |
| CAS # | 305371-97-5 |
| COMMON NAMES | 2,5-Difluorostyrene |
| SMILES | C=Cc1cc(F)ccc1F |
| Std. InChI | 1S/C8H6F2/c1-2-6-5-7(9)3-4-8(6)10/h2-5H,1H2 |
| Std. InChIKey | DSIWLDCXHHMNQL-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 106.0 | |
| Density ρ | g mL-1 | 0.96 | |
| Solubility Parameter δ | MPa1/2 | 17.0 - 18.7 | 17.7 |
| Molar Cohesive Energy Ecoh | J mol-1 | 30600 - 37100 | 33100 |
| Glass Transition Temperature Tg | K | 374 | |
| Molar Heat Capacity Cp | J (mol K)-1 | ||
| Entanglement Molecular Weight Me | g mol-1 | ||
| Index of Refraction n | none |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 102.14 | |
| Van-der-Waals Volume VvW | mL mol-1 | 65.56 | |
| Molar Volume Vm | mL mol-1 | 106.0 - 117.7 | 111.2 |
| Density ρ | g mL-1 | 0.87 - 0.96 | 0.92 |
| Solubility Parameter δ | MPa1/2 | 16.6 - 18.3 | 17.5 |
| Molar Cohesive Energy Ecoh | J mol-1 | 32600 - 35500 | 34200 |
| Glass Transition Temperature Tg | K | 386 - 391 | 389 |
| Molar Heat Capacity Cp | J (mol K)-1 | 121 - 156 | 137 |
| Entanglement Molecular Weight Me | g mol-1 | 11000 - 20000 | 16000 |
| Index of Refraction n | none | 1.51 - 1.54 | 1.52 |