| POLYMER CLASS | Polysiloxane |
| COMMON NAMES | Poly(diethylsiloxane) |
| STRUCTURE BASED NAME | poly[oxy(diethylsilylene)] |
| ACRONYMS | PDES |
| CAS # | 63148-61-8 |
| CurlySMILES | Si{-}(CC)(CC)O{n+} |
| CAS # | 1719-53-5, 15164-57-5 |
| COMMON NAMES | Diethyldichlorosilane, Dimethoxydiethylsilane |
| SMILES | CC[Si](CC)(Cl)Cl, CC[Si](CC)(OC)OC |
| Std. InChI | 1S/C4H10Cl2Si/c1-3-7(5,6)4-2/h3-4H2,1-2H3, 1S/C6H16O2Si/c1-5-9(6-2,7-3)8-4/h5-6H2,1-4H3 |
| Std. InChIKey | BYLOHCRAPOSXLY-UHFFFAOYSA-N, VSYLGGHSEIWGJV-UHFFFAOYSA-N |
| STRUCTURE |
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| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 99.2 | |
| Density ρ | g mL-1 | 0.99 (low MW) | |
| Solubility Parameter δ | MPa1/2 | ||
| Molar Cohesive Energy Ecoh | J mol-1 | ||
| Glass Transition Temperature Tg | K | 135 - 140 | 137 |
| Molar Heat Capacity Cp | J (mol K)-1 | 165 | |
| Entanglement Molecular Weight Me | g mol-1 | ||
| Index of Refraction n | none | 1.45 - 1.48 (low MW) | 1.45 |
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molecular Weight of Repeat unit | g mol-1 | 98.21 | |
| Van-der-Waals Volume VvW | mL mol-1 | ||
| Molar Volume Vm | mL mol-1 | ||
| Density ρ | g mL-1 | ||
| Solubility Parameter δ | MPa1/2 | ||
| Molar Cohesive Energy Ecoh | J mol-1 | ||
| Glass Transition Temperature Tg | K | 140 | |
| Molar Heat Capacity Cp | J (mol K)-1 | ||
| Entanglement Molecular Weight Me | g mol-1 | ||
| Index of Refraction n | none |
Last updated: June 14, 2017