Nylon 6-9

Nylon 6-9

Nylon 6,9 - Poly(hexamethylene azelamide)

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Polyamide
COMMON NAMES	Polyamide 6-9, Poly(hexamethylene azelamide)
STRUCTURE BASED NAME	Poly(iminoazelaoyliminohexane-1,6-diyl), Poly(iminohexamethyleneiminoazelaoyl)
ACRONYMS	PA6-9, Nylon 6,9
CAS #	28757-63-3
CurlySMILES	N{-}C(=O)CCCCCCCC(=O)NCCCCCC{n+}

IDENTIFIERS OF MONOMER(S)

CAS #
COMMON NAMES	Azelaic Acid, Hexanediamine
SMILES	OC(=O)CCCCCCCC(=O)O.NCCCCCCN
Std. InChI	1S/C9H16O4/c10-8(11)6-4-2-1-3-5-7-9(12)13/h1-7H2,(H,10,11)(H,12,13).InChI=1S/C6H16N2/c7-5-3-1-2-4-6-8/h1-8H2
Std. InChIKey	BDJRBEYXGGNYIS-UHFFFAOYSA-N.NAQMVNRVTILPCV-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	249
Density ρ	g mL^-1	1.08
Solubility Parameter δ	MPa^1/2
Molar Cohesive Energy E_coh	J mol^-1
Glass Transition Temperature T_g	K	331 - 333	332
Molar Heat Capacity C_p	J (mol K)^-1
Entanglement Molecular Weight M_e	g mol^-1
Index of Refraction n	none

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	268.4
Van-der-Waals Volume V_vW	mL mol^-1	168.5
Molar Volume V_m	mL mol^-1	258 -263	260
Density ρ	g mL^-1	1.02 - 1.04	1.03
Solubility Parameter δ	MPa^1/2	22.3 - 24.6	23.5
Molar Cohesive Energy E_coh	J mol^-1	129000 - 156000	144000
Glass Transition Temperature T_g	K	320 - 331	325
Molar Heat Capacity C_p	J (mol K)^-1	403.5 - 424	416 (s)
Entanglement Molecular Weight M_e	g mol^-1	1500 - 2800	2100
Index of Refraction n	none	1.50 - 1.51	1.51

Last updated: November 7, 2018

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