Chemical Properties of Naphthalene, 1,7-dimethyl- (CAS 575-37-1)

InChI

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

InChI Key

SPUWFVKLHHEKGV-UHFFFAOYSA-N

Formula

C12H12

SMILES

Cc1ccc2cccc(C)c2c1

Molecular Weight¹

156.22

CAS

575-37-1

Other Names

• 1,7-Dimethylnaphthalene
• Naphthalene, 3,5-dimethyl

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• 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_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• 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
ΔfG°	249.96	kJ/mol	Joback Calculated Property
ΔfH°gas	113.65	kJ/mol	Joback Calculated Property
ΔfusH°	17.12	kJ/mol	Joback Calculated Property
ΔvapH°	47.55	kJ/mol	Joback Calculated Property
log10WS	-4.23		Crippen Calculated Property
logPoct/wat	3.457		Crippen Calculated Property
McVol	136.720	ml/mol	McGowan Calculated Property
Pc	3010.00	kPa	KDB
Inp	[240.66; 1423.00]
Inp	1389.60		NIST
Inp	1414.00		NIST
Inp	1414.00		NIST
Inp	1415.00		NIST
Inp	1423.00		NIST
Inp	1409.00		NIST
Inp	1422.40		NIST
Inp	1410.00		NIST
Inp	1418.00		NIST
Inp	1396.00		NIST
Inp	1418.70		NIST
Inp	1409.00		NIST
Inp	1414.00		NIST
Inp	1396.00		NIST
Inp	1386.00		NIST
Inp	1409.50		NIST
Inp	1410.00		NIST
Inp	242.99		NIST
Inp	240.66		NIST
Inp	243.20		NIST
Inp	243.75		NIST
Inp	243.05		NIST
Inp	242.19		NIST
Inp	242.90		NIST
Inp	242.77		NIST
Inp	240.66		NIST
Inp	243.80		NIST
Inp	240.70		NIST
Inp	244.29		NIST
Inp	242.60		NIST
Inp	244.10		NIST
Inp	242.80		NIST
Inp	242.80		NIST
Inp	1396.00		NIST
I	[2000.00; 2000.00]
I	2000.00		NIST
I	2000.00		NIST
I	2000.00		NIST
Tboil	[531.00; 536.20]	K
Tboil	536.20	K	KDB
Tboil	536.00 ± 1.00	K	NIST
Tboil	535.90 ± 2.00	K	NIST
Tboil	536.00 ± 4.00	K	NIST
Tboil	535.00 ± 4.00	K	NIST
Tboil	Outlier 531.00 ± 4.00	K	NIST
Tc	770.60	K	KDB
Tfus	260.00	K	KDB
Vc	0.521	m3/kmol	KDB
Zc	0.2449940		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

Pressure Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[404.66; 569.09]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.40634e+01
Coefficient B			-3.94601e+03
Coefficient C			-1.18215e+02
Temperature range, min.			404.66
Temperature range, max.			569.09
Pvap	1.33	kPa	404.66	Calculated Property
Pvap	3.05	kPa	422.93	Calculated Property
Pvap	6.33	kPa	441.20	Calculated Property
Pvap	12.18	kPa	459.47	Calculated Property
Pvap	21.93	kPa	477.74	Calculated Property
Pvap	37.28	kPa	496.01	Calculated Property
Pvap	60.36	kPa	514.28	Calculated Property
Pvap	93.66	kPa	532.55	Calculated Property
Pvap	140.03	kPa	550.82	Calculated Property
Pvap	202.66	kPa	569.09	Calculated Property

Similar Compounds

Find more compounds similar to Naphthalene, 1,7-dimethyl-.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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