Chemical Properties of Naphthalene, 1,4-dimethyl- (CAS 571-58-4)

InChI

InChI=1S/C12H12/c1-9-7-8-10(2)12-6-4-3-5-11(9)12/h3-8H,1-2H3

InChI Key

APQSQLNWAIULLK-UHFFFAOYSA-N

Formula

C12H12

SMILES

Cc1ccc(C)c2ccccc12

Molecular Weight¹

156.22

CAS

571-58-4

Other Names

• 1,4-Dimethylnaphthalene
• 1,4-Dimethylnapthalene

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• EA : Electron affinity (eV).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_boilr : Boiling point at reduced pressure (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.4430		KDB
EA	0.25 ± 0.08	eV	NIST
ΔfG°	249.96	kJ/mol	Joback Calculated Property
ΔfH°gas	113.65	kJ/mol	Joback Calculated Property
ΔfusH°	10.60	kJ/mol	Solid-L...
ΔvapH°	47.55	kJ/mol	Joback Calculated Property
IE	[7.78; 7.82]	eV
IE	7.78 ± 0.03	eV	NIST
IE	7.82 ± 0.03	eV	NIST
log10WS	[-4.14; -4.14]
log10WS	-4.14		Aq. Sol...
log10WS	-4.14		Estimat...
logPoct/wat	3.457		Crippen Calculated Property
McVol	136.720	ml/mol	McGowan Calculated Property
Pc	3010.00	kPa	KDB
Inp	[243.02; 1447.00]
Inp	1410.60		NIST
Inp	1418.00		NIST
Inp	1418.00		NIST
Inp	1418.00		NIST
Inp	1439.00		NIST
Inp	1442.80		NIST
Inp	1418.00		NIST
Inp	1431.00		NIST
Inp	1425.90		NIST
Inp	1419.00		NIST
Inp	1397.00		NIST
Inp	1409.00		NIST
Inp	1424.20		NIST
Inp	1436.30		NIST
Inp	1443.20		NIST
Inp	1424.20		NIST
Inp	1436.30		NIST
Inp	1443.20		NIST
Inp	1415.00		NIST
Inp	1447.00		NIST
Inp	1399.47		NIST
Inp	1411.24		NIST
Inp	1419.17		NIST
Inp	1436.73		NIST
Inp	1409.00		NIST
Inp	1435.00		NIST
Inp	1426.00		NIST
Inp	1397.00		NIST
Inp	1415.00		NIST
Inp	1420.00		NIST
Inp	1443.00		NIST
Inp	1419.00		NIST
Inp	1409.00		NIST
Inp	246.51		NIST
Inp	243.57		NIST
Inp	246.55		NIST
Inp	246.42		NIST
Inp	243.02		NIST
Inp	245.70		NIST
Inp	246.20		NIST
Inp	247.15		NIST
Inp	246.03		NIST
Inp	243.57		NIST
Inp	245.40		NIST
Inp	246.50		NIST
Inp	243.60		NIST
Inp	247.02		NIST
Inp	243.98		NIST
Inp	246.00		NIST
Inp	246.30		NIST
Inp	246.51		NIST
Inp	245.70		NIST
Inp	1443.00		NIST
Inp	1410.60		NIST
Inp	1442.80		NIST
Inp	1397.00		NIST
Inp	1409.00		NIST
I	[2041.00; 2041.00]
I	2041.00		NIST
I	2041.00		NIST
Tboil	[536.00; 541.60]	K
Tboil	540.50	K	KDB
Tboil	538.30	K	Critica...
Tboil	541.60 ± 1.00	K	NIST
Tboil	536.00 ± 4.00	K	NIST
Tboil	539.00 ± 5.00	K	NIST
Tboil	537.00 ± 4.00	K	NIST
Tc	776.80	K	KDB
Tfus	[253.00; 289.45]	K
Tfus	281.00	K	KDB
Tfus	280.75	K	Aq. Sol...
Tfus	279.90 ± 0.20	K	NIST
Tfus	281.00 ± 0.15	K	NIST
Tfus	281.02 ± 0.06	K	NIST
Tfus	289.45 ± 0.70	K	NIST
Tfus	280.73 ± 0.15	K	NIST
Tfus	280.81 ± 0.06	K	NIST
Tfus	279.00 ± 4.00	K	NIST
Tfus	271.00 ± 5.00	K	NIST
Tfus	279.20 ± 5.00	K	NIST
Tfus	289.00 ± 6.00	K	NIST
Tfus	289.00 ± 6.00	K	NIST
Tfus	Outlier 253.00 ± 30.00	K	NIST
Vc	0.521	m3/kmol	KDB
Zc	0.2430380		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[296.31; 371.48]	J/mol×K	[529.58; 761.14]
Cp,gas	296.31	J/mol×K	529.58	Joback Calculated Property
Cp,gas	311.16	J/mol×K	568.17	Joback Calculated Property
Cp,gas	325.00	J/mol×K	606.77	Joback Calculated Property
Cp,gas	337.89	J/mol×K	645.36	Joback Calculated Property
Cp,gas	349.89	J/mol×K	683.95	Joback Calculated Property
Cp,gas	361.06	J/mol×K	722.55	Joback Calculated Property
Cp,gas	371.48	J/mol×K	761.14	Joback Calculated Property
η	[0.0002960; 0.0012561]	Pa×s	[309.16; 529.58]
η	0.0012561	Pa×s	309.16	Joback Calculated Property
η	0.0008686	Pa×s	345.90	Joback Calculated Property
η	0.0006448	Pa×s	382.63	Joback Calculated Property
η	0.0005043	Pa×s	419.37	Joback Calculated Property
η	0.0004103	Pa×s	456.11	Joback Calculated Property
η	0.0003443	Pa×s	492.84	Joback Calculated Property
η	0.0002960	Pa×s	529.58	Joback Calculated Property
ΔfusH	[10.60; 10.60]	kJ/mol	[279.20; 279.90]
ΔfusH	10.60	kJ/mol	279.20	NIST
ΔfusH	10.60	kJ/mol	279.90	NIST
ΔfusH	10.60	kJ/mol	279.90	NIST

Pressure Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.65]	kPa	[392.66; 577.39]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.53305e+01
Coefficient B			-5.54175e+03
Coefficient C			-2.42690e+01
Temperature range, min.			392.66
Temperature range, max.			577.39
Pvap	1.33	kPa	392.66	Calculated Property
Pvap	2.95	kPa	413.19	Calculated Property
Pvap	6.02	kPa	433.71	Calculated Property
Pvap	11.49	kPa	454.24	Calculated Property
Pvap	20.68	kPa	474.76	Calculated Property
Pvap	35.34	kPa	495.29	Calculated Property
Pvap	57.76	kPa	515.81	Calculated Property
Pvap	90.77	kPa	536.34	Calculated Property
Pvap	137.74	kPa	556.86	Calculated Property
Pvap	202.65	kPa	577.39	Calculated Property
Pvap	[6.16e-04; 2974.77]	kPa	[283.15; 776.78]	KDB Vap...
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			8.54930e+01
Coefficient B			-1.06126e+04
Coefficient C			-9.85429e+00
Coefficient D			2.89872e-06
Temperature range, min.			283.15
Temperature range, max.			776.78
Pvap	6.16e-04	kPa	283.15	Calculated Property
Pvap	0.05	kPa	338.00	Calculated Property
Pvap	1.06	kPa	392.85	Calculated Property
Pvap	9.18	kPa	447.69	Calculated Property
Pvap	45.46	kPa	502.54	Calculated Property
Pvap	154.86	kPa	557.39	Calculated Property
Pvap	407.19	kPa	612.24	Calculated Property
Pvap	891.06	kPa	667.08	Calculated Property
Pvap	1708.32	kPa	721.93	Calculated Property
Pvap	2974.77	kPa	776.78	Calculated Property

Similar Compounds

Find more compounds similar to Naphthalene, 1,4-dimethyl-.

Mixtures

• Naphthalene, 2,6-dimethyl- + Naphthalene, 1,4-dimethyl-

Sources

• KDB Vapor Pressure Data
• Crippen Method
• Critical properties of some alkylnaphthalenes
• Solid-Liquid Equilibria of Binary Mixtures of Dimethylnaphthalene Isomers
• Joback Method
• KDB
• Aqueous Solubility Prediction Method
• Estimated Solubility Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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