| POLYMER CLASS | Polyamide |
| COMMON NAMES | Nylon 8, Poly(8-aminooctanoic acid), Polycapryllactam, Poly(octano-8-lactam) |
| STRUCTURE BASED NAME | Poly(imino-1-oxooctamethylene), Poly[imino(1-oxooctane-1,8-diyl)] |
| ACRONYMS | PA8 |
| CAS # | |
| CurlySMILES | N{-}C(=O)CCCCCCC{n+} |
| CAS # | 935-30-8 |
| COMMON NAMES | 2-Azonanone, ω-Octalactam |
| SMILES | O=C1CCCCCCCN1 |
| Std. InChI | 1S/C8H15NO/c10-8-6-4-2-1-3-5-7-9-8/h1-7H2,(H,9,10) |
| Std. InChIKey | YDLSUFFXJYEVHW-UHFFFAOYSA-N |
| STRUCTURE |
|
| PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
| Molar Volume Vm | mL mol-1 | 135.8 - 135.9 | 135.9 |
| Density ρ | g mL-1 | 1.04 | 1.04 |
| Solubility Parameter δ | MPa1/2 | 20.5 - 30.0 | 24.5 |
| Molar Cohesive Energy Ecoh | J mol-1 | 78200 - 122300 | 82700 |
| Glass Transition Temperature Tg | K | 323 - 324 | 324 |
| 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 | 141.21 | |
| Van-der-Waals Volume VvW | mL mol-1 | 89.38 | |
| Molar Volume Vm | mL mol-1 | 137.2 - 139.5 | 138.0 |
| Density ρ | g mL-1 | 1.01 - 1.03 | 1.02 |
| Solubility Parameter δ | MPa1/2 | 22.0 - 24.1 | 23.1 |
| Molar Cohesive Energy Ecoh | J mol-1 | 66400 - 79700 | 73700 |
| Glass Transition Temperature Tg | K | 313 - 325 | 322 |
| Molar Heat Capacity Cp | J (mol K)-1 | 214 - 233 | 224 |
| Entanglement Molecular Weight Me | g mol-1 | 1800 - 3100 | 2300 |
| Index of Refraction n | none | 1.50 - 1.52 | 1.50 |