Chemical Properties of Naphthalene, 2,6-dimethyl-3-octyl- (CAS 55000-54-9)

InChI

InChI=1S/C20H28/c1-4-5-6-7-8-9-10-18-15-20-13-16(2)11-12-19(20)14-17(18)3/h11-15H,4-10H2,1-3H3

InChI Key

UZHLPUVYQFPPMF-UHFFFAOYSA-N

Formula

C20H28

SMILES

CCCCCCCCc1cc2cc(C)ccc2cc1C

Molecular Weight¹

268.44

CAS

55000-54-9

Other Names

• 2,6-Dimethyl-3-n-octylnaphthalene
• 2,6-Dimethyl-3-octylnaphthalene

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• 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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (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).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Cheméo can also estimate Standard Gibbs free energy of formation for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.

Temperature Dependent Properties

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[339.15; 832.72]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			-3.77430e+01
Coefficient B			1.64276e+00
Coefficient C			-1.03100e-03
Coefficient D			2.58700e-07
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	339.15	J/mol×K	273.00	Calculated Property
Cp,gas	425.85	J/mol×K	353.78	Calculated Property
Cp,gas	502.66	J/mol×K	434.56	Calculated Property
Cp,gas	570.43	J/mol×K	515.33	Calculated Property
Cp,gas	629.96	J/mol×K	596.11	Calculated Property
Cp,gas	682.07	J/mol×K	676.89	Calculated Property
Cp,gas	727.59	J/mol×K	757.67	Calculated Property
Cp,gas	767.32	J/mol×K	838.44	Calculated Property
Cp,gas	802.09	J/mol×K	919.22	Calculated Property
Cp,gas	832.72	J/mol×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0011164; 0.0002346]	Pa×s	[411.84; 645.32]	Joback Predicted correlation
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.11094e+01
Coefficient B			1.77572e+03
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			411.84
Temperature range, max.			645.32
η	0.0011164	Pa×s	411.84	Calculated Property
η	0.0008647	Pa×s	437.78	Calculated Property
η	0.0006891	Pa×s	463.72	Calculated Property
η	0.0005626	Pa×s	489.67	Calculated Property
η	0.0004688	Pa×s	515.61	Calculated Property
η	0.0003975	Pa×s	541.55	Calculated Property
η	0.0003421	Pa×s	567.49	Calculated Property
η	0.0002984	Pa×s	593.43	Calculated Property
η	0.0002633	Pa×s	619.38	Calculated Property
η	0.0002346	Pa×s	645.32	Calculated Property

Similar Compounds

Find more compounds similar to Naphthalene, 2,6-dimethyl-3-octyl-.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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