Chemical Properties of Triacontane (CAS 638-68-6)

InChI

InChI=1S/C30H62/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-30H2,1-2H3

InChI Key

JXTPJDDICSTXJX-UHFFFAOYSA-N

Formula

C30H62

SMILES

CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

Molecular Weight¹

422.81

CAS

638-68-6

Other Names

• n-triacontane

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,solid : Solid phase 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_fusH : Enthalpy of fusion at a given temperature (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).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• 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).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	1.2179		Relay (1.0) Calculated Property
ΔfG°	201.72	kJ/mol	Joback Calculated Property
ΔfH°gas	-670.87	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	73.46	kJ/mol	Joback Calculated Property
ΔvapH°	[152.30; 164.50]	kJ/mol
ΔvapH°	152.30	kJ/mol	NIST
ΔvapH°	164.50 ± 0.40	kJ/mol	NIST
IE	10.24	eV	Relay (1.0) Calculated Property
log10WS	-11.40		Relay (1.0) Calculated Property
logPoct/wat	11.949		Crippen Calculated Property
McVol	433.560	ml/mol	McGowan Calculated Property
Pc	595.46	kPa	Joback Calculated Property
Inp	[467.01; 488.40]
Inp	467.01		NIST
Inp	488.40		NIST
Tboil	722.90	K	NIST
Tc	850.00	K	Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
Tfus	[338.50; 344.00]	K
Tfus	338.70 ± 0.30	K	NIST
Tfus	338.60 ± 0.40	K	NIST
Tfus	338.53 ± 0.25	K	NIST
Tfus	339.40 ± 2.00	K	NIST
Tfus	339.00 ± 2.00	K	NIST
Tfus	339.00 ± 0.10	K	NIST
Tfus	338.90 ± 0.60	K	NIST
Tfus	338.70 ± 1.00	K	NIST
Tfus	338.70 ± 1.00	K	NIST
Tfus	Outlier 344.00 ± 1.50	K	NIST
Tfus	338.90 ± 3.00	K	NIST
Tfus	338.70 ± 0.30	K	NIST
Tfus	338.90 ± 0.80	K	NIST
Tfus	339.00 ± 2.00	K	NIST
Tfus	339.00 ± 2.00	K	NIST
Tfus	340.00 ± 2.00	K	NIST
Tfus	339.00 ± 2.00	K	NIST
Tfus	339.00 ± 2.00	K	NIST
Tfus	Outlier 343.00 ± 2.00	K	NIST
Tfus	338.50 ± 0.80	K	NIST
Tfus	338.80 ± 1.00	K	NIST
Tfus	339.30 ± 1.00	K	NIST
Ttriple	334.20	K	Thermal conductivity of heavy, even-carbon number n-alkanes (C22 to C32)
Vc	1.764	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[1482.03; 1624.56]	J/mol×K	[885.80; 1091.97]
Cp,gas	1482.03	J/mol×K	885.80	Joback Calculated Property
Cp,gas	1509.37	J/mol×K	920.16	Joback Calculated Property
Cp,gas	1535.15	J/mol×K	954.52	Joback Calculated Property
Cp,gas	1559.49	J/mol×K	988.88	Joback Calculated Property
Cp,gas	1582.44	J/mol×K	1023.25	Joback Calculated Property
Cp,gas	1604.10	J/mol×K	1057.61	Joback Calculated Property
Cp,gas	1624.56	J/mol×K	1091.97	Joback Calculated Property
Cp,solid	[558.00; 808.80]	J/mol×K	[300.00; 301.00]
Cp,solid	558.00	J/mol×K	300.00	NIST
Cp,solid	808.80	J/mol×K	301.00	NIST
η	[0.0000243; 0.0010730]	Pa×s	[427.86; 885.80]
η	0.0010730	Pa×s	427.86	Joback Calculated Property
η	0.0003539	Pa×s	504.18	Joback Calculated Property
η	0.0001562	Pa×s	580.51	Joback Calculated Property
η	0.0000834	Pa×s	656.83	Joback Calculated Property
η	0.0000507	Pa×s	733.15	Joback Calculated Property
η	0.0000339	Pa×s	809.48	Joback Calculated Property
η	0.0000243	Pa×s	885.80	Joback Calculated Property
ΔfusH	[37.49; 68.83]	kJ/mol	[335.30; 338.70]
ΔfusH	37.49	kJ/mol	335.30	NIST
ΔfusH	68.83	kJ/mol	338.70	NIST
ΔfusH	68.83	kJ/mol	338.70	NIST
ΔvapH	[111.30; 152.30]	kJ/mol	[298.15; 609.00]
ΔvapH	152.30	kJ/mol	298.15	Vapor Pressures and Vaporization Enthalpies of the n-Alkanes from C21 to C30 at T = 298.15 K by Correlation Gas Chromatography
ΔvapH	143.00 ± 2.00	kJ/mol	454.50	NIST
ΔvapH	111.30	kJ/mol	609.00	NIST
Pvap	[1.13e-03; 414.10]	kPa	[432.36; 809.60]
Pvap	1.15e-03	kPa	432.36	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	1.13e-03	kPa	432.37	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	2.33e-03	kPa	442.48	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	4.57e-03	kPa	452.32	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	4.51e-03	kPa	452.34	Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
Pvap	82.32	kPa	713.50	Critical Point and Vapor Pressure Measurements for Seven Compounds by a Low Residence Time Flow Method
Pvap	127.80	kPa	737.80	Critical Point and Vapor Pressure Measurements for Seven Compounds by a Low Residence Time Flow Method
Pvap	190.20	kPa	761.20	Critical Point and Vapor Pressure Measurements for Seven Compounds by a Low Residence Time Flow Method
Pvap	282.40	kPa	786.00	Critical Point and Vapor Pressure Measurements for Seven Compounds by a Low Residence Time Flow Method
Pvap	414.10	kPa	809.60	Critical Point and Vapor Pressure Measurements for Seven Compounds by a Low Residence Time Flow Method
ΔfusS	[111.82; 203.24]	J/mol×K	[335.30; 338.70]
ΔfusS	111.82	J/mol×K	335.30	NIST
ΔfusS	203.24	J/mol×K	338.70	NIST

Pressure Dependent Properties

Similar Compounds

Find more compounds similar to Triacontane.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
• Thermal conductivity of heavy, even-carbon number n-alkanes (C22 to C32)
• High pressure solid solid and solid liquid transition data for long chain alkanes
• Vapor Pressures and Vaporization Enthalpies of the n-Alkanes from C21 to C30 at T = 298.15 K by Correlation Gas Chromatography
• Experimental Vapor Pressures of Six n-Alkanes (C21, C23, C25, C27, C29, C30) in the Temperature Range between 350 K and 460 K
• Critical Point and Vapor Pressure Measurements for Seven Compounds by a Low Residence Time Flow Method
• Joback Method
• McGowan Method
• NIST Webbook

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