| POLYMER CLASS | Polystyrenes |
| COMMON NAMES | Poly(2-methylstyrene) |
| STRUCTURE BASED NAME | Poly[1-(2-methylphenyl)ethane-1,2-diyl], Poly(2-methylphenylethylene) |
| ACRONYMS | PMS |
| CAS # | |
| CurlySMILES | C{-}C{n+}(c1c(C)cccc1) |
| CAS # | 25013-15-4 |
| COMMON NAMES | 2-Methylstyrene |
| SMILES | C=Cc1ccccc1C |
| Std. InChI | 1S/C9H10/c1-3-9-7-5-4-6-8(9)2/h3-7H,1H2,2H3 |
| Std. InChIKey | NVZWEEGUWXZOKI-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 114.7 - 115.1 | 114.9 |
| Density ρ | g mL-1 | 1.03 | 1.03 |
| Solubility Parameter δ | MPa1/2 | 18.4 - 19.3 | 18.8 |
| Molar Cohesive Energy Ecoh | J mol-1 | 39800 - 43800 | 40700 |
| Glass Transition Temperature Tg | K | 409 | |
| Molar Heat Capacity Cp | J (mol K)-1 | ||
| Entanglement Molecular Weight Me | g mol-1 | ||
| Index of Refraction n | none | 1.57 - 1.58 | 1.58 |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 118.18 | |
| Van-der-Waals Volume VvW | mL mol-1 | 76.41 | |
| Molar Volume Vm | mL mol-1 | 115.2 - 122.0 | 117.5 |
| Density ρ | g mL-1 | 0.97 - 1.03 | 1.01 |
| Solubility Parameter δ | MPa1/2 | 17.7 - 18.8 | 18.5 |
| Molar Cohesive Energy Ecoh | J mol-1 | 38300 - 40900 | 40300 |
| Glass Transition Temperature Tg | K | 387 - 400 | 394 |
| Molar Heat Capacity Cp | J (mol K)-1 | 149 - 160 | 154 |
| Entanglement Molecular Weight Me | g mol-1 | 16000 - 21000 | 19000 |
| Index of Refraction n | none | 1.56 - 1.58 | 1.56 |