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 |
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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 |