Nylon 6-6

POLYMER CLASS	Polyamide
COMMON NAMES	Nylon 6/6, Poly(hexamethylene adipamide), Poly(hexane-1,6-diyladipamide), Poly(N,N′-hexamethyleneadipinediamide), Ultramid®, Nylatron®, Zytel®, Durethan®, Akromid®
STRUCTURE BASED NAME	Poly(iminoadipoyliminohexane-1,6-diyl), Poly(iminohexamethyleneiminoadipoyl)
ACRONYMS	PA 66
CAS #	32131-17-2
CurlySMILES	N{-}C(=O)CCCCC(=O)NCCCCCC{n+}

CAS #	124-09-4.124-04-9
COMMON NAMES	Hexamethylenediamine, Adipic acid
SMILES	NCCCCCCN.OC(=O)CCCCC(=O)O
Std. InChI	1S/C6H16N2/c7-5-3-1-2-4-6-8/h1-8H2.1S/C6H10O4/c7-5(8)3-1-2-4-6(9)10/h1-4H2,(H,7,8)(H,9,10)
Std. InChIKey	NAQMVNRVTILPCV-UHFFFAOYSA-N.WNLRTRBMVRJNCN-UHFFFAOYSA-N
STRUCTURE

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	208.3 - 211.5	209.9
Density ρ	g mL^-1	1.07 - 1.09	1.08
Solubility Parameter δ	MPa^1/2	23.7 - 32.0	26.0
Molar Cohesive Energy E_coh	J mol^-1	98700 - 180400	143100
Glass Transition Temperature T_g	K	318 - 330	324
Molar Heat Capacity C_p	J (mol K)^-1	321 - 333	328
Entanglement Molecular Weight M_e	g mol^-1	2000
Index of Refraction n	none	1.53

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	226.32
Van-der-Waals Volume V_vW	mL mol^-1	137.65
Molar Volume V_m	mL mol^-1	209.0 - 213.5	211.5
Density ρ	g mL^-1	1.06 - 1.08	1.07
Solubility Parameter δ	MPa^1/2	23.4 - 26.5	25.0
Molar Cohesive Energy E_coh	J mol^-1	116000 - 146300	133600
Glass Transition Temperature T_g	K	324 - 335	324
Molar Heat Capacity C_p	J (mol K)^-1	333 - 357	343
Entanglement Molecular Weight M_e	g mol^-1	1600 - 3000	2200
Index of Refraction n	none	1.50 - 1.53	1.52