| POLYMER CLASS | Polystyrenes |
| COMMON NAMES | Poly(4-methylstyrene) |
| STRUCTURE BASED NAME | Poly[1-(4-methylphenyl)ethane-1,2-diyl], Poly(4-methylphenylethylene) |
| ACRONYMS | PMS, PpMS, PPMS |
| CAS # | 24936-41-2 |
| CurlySMILES | C{-}C{n+}(c1ccc(C)cc1) |
| CAS # | 1319-73-9 |
| COMMON NAMES | 4-Methylstyrene |
| SMILES | C=Cc1ccc(cc1)C |
| Std. InChI | 1S/C9H10/c1-3-9-6-4-8(2)5-7-9/h3-7H,1H2,2H3 |
| Std. InChIKey | JLBJTVDPSNHSKJ-UHFFFAOYSA-N |
| STRUCTURE |
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| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 113.7 - 116.9 | 115.1 |
| Density ρ | g mL-1 | 1.01 - 1.04 | 1.03 |
| Solubility Parameter δ | MPa1/2 | 18.4 - 19.3 | 18.8 |
| Molar Cohesive Energy Ecoh | J mol-1 | 39800 - 43800 | 40800 |
| Glass Transition Temperature Tg | K | 366 - 386 | 380 |
| Molar Heat Capacity Cp | J (mol K)-1 | 150 | |
| Entanglement Molecular Weight Me | g mol-1 | 25000 | |
| 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 | 372 - 400 | 380 |
| 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 |