POLYMER CLASS | Polyamide |
COMMON NAMES | Polyamide 4-6, Poly(tetramethylene adipamide) |
STRUCTURE BASED NAME | Poly(iminotetramethyleneiminoadipoyl), |
ACRONYMS | PA4-6, Nylon 4,6 |
CAS # | 50327-22-5 |
CurlySMILES | N{-}C(=O)CCCCC(=O)NCCCC{n+} |
CAS # | |
COMMON NAMES | 1,4-diaminobutane + adipic acid |
SMILES | OC(=O)CCCCC(=O)O.NCCCCN |
Std. InChI | 1S/C6H10O4/c7-5(8)3-1-2-4-6(9)10/h1-4H2,(H,7,8)(H,9,10).1S/C4H12N2/c5-3-1-2-4-6/h1-6H2 |
Std. InChIKey | WNLRTRBMVRJNCN-UHFFFAOYSA-N.KIDHWZJUCRJVML-UHFFFAOYSA-N |
STRUCTURE |
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PROPERTY | UNIT | VALUE / RANGE | PREFERRED |
Molar Volume Vm | mL mol-1 | ||
Density ρ | g mL-1 | < 1.18 | |
Solubility Parameter δ | MPa1/2 | ||
Molar Cohesive Energy Ecoh | J mol-1 | ||
Glass Transition Temperature Tg | K | 353 | 353 |
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 | 198.27 | |
Van-der-Waals Volume VvW | mL mol-1 | 117.1 | |
Molar Volume Vm | mL mol-1 | 176 - 181 | 179 |
Density ρ | g mL-1 | 1.10 - 1.13 | 1.11 |
Solubility Parameter δ | MPa1/2 | 24.4 - 28.3 | 26.5 |
Molar Cohesive Energy Ecoh | J mol-1 | 108000 - 141000 | 126000 |
Glass Transition Temperature Tg | K | 329 - 363 | 344 |
Molar Heat Capacity Cp | J (mol K)-1 | 286 - 299 | 293 |
Entanglement Molecular Weight Me | g mol-1 | ||
Index of Refraction n | none | 1.51 - 1.53 | 1.52 |
Last updated: November 29, 2019