Chemical Properties of Heptatriacontane (CAS 7194-84-5)

InChI

InChI=1S/C37H76/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-37H2,1-2H3

InChI Key

PXEZIKSRSYGOED-UHFFFAOYSA-N

Formula

C37H76

SMILES

CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC

Molecular Weight¹

521.00

CAS

7194-84-5

Other Names

• n-heptatriacontane

• 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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (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).
• 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

Property	Value	Unit	Source
ΔfG°	260.66	kJ/mol	Joback Calculated Property
ΔfH°gas	-807.01	kJ/mol	Joback Calculated Property
ΔfusH°	91.59	kJ/mol	Joback Calculated Property
ΔvapH°	187.50	kJ/mol	NIST
log10WS	-15.31		Crippen Calculated Property
logPoct/wat	14.680		Crippen Calculated Property
McVol	532.190	ml/mol	McGowan Calculated Property
Pc	439.50	kPa	Joback Calculated Property
Tboil	1045.96	K	Joback Calculated Property
Tc	1351.59	K	Joback Calculated Property
Tfus	[301.00; 349.60]	K
Tfus	312.00 ± 5.00	K	NIST
Tfus	301.00 ± 5.00	K	NIST
Tfus	349.40 ± 4.00	K	NIST
Tfus	349.60 ± 4.00	K	NIST
Vc	2.107	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[1964.82; 2151.27]	J/mol×K	[1045.96; 1351.59]
Cp,gas	1964.82	J/mol×K	1045.96	Joback Calculated Property
Cp,gas	2002.24	J/mol×K	1096.90	Joback Calculated Property
Cp,gas	2036.67	J/mol×K	1147.84	Joback Calculated Property
Cp,gas	2068.45	J/mol×K	1198.77	Joback Calculated Property
Cp,gas	2097.92	J/mol×K	1249.71	Joback Calculated Property
Cp,gas	2125.41	J/mol×K	1300.65	Joback Calculated Property
Cp,gas	2151.27	J/mol×K	1351.59	Joback Calculated Property
η	[0.0000081; 0.0003853]	Pa×s	[506.75; 1045.96]
η	0.0003853	Pa×s	506.75	Joback Calculated Property
η	0.0001247	Pa×s	596.62	Joback Calculated Property
η	0.0000542	Pa×s	686.49	Joback Calculated Property
η	0.0000286	Pa×s	776.36	Joback Calculated Property
η	0.0000172	Pa×s	866.22	Joback Calculated Property
η	0.0000114	Pa×s	956.09	Joback Calculated Property
η	0.0000081	Pa×s	1045.96	Joback Calculated Property
ΔvapH	[126.40; 187.50]	kJ/mol	[298.15; 659.50]
ΔvapH	187.50	kJ/mol	298.15	Vapor P...
ΔvapH	155.00 ± 2.00	kJ/mol	491.00	NIST
ΔvapH	126.40	kJ/mol	659.50	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[599.22; 817.99]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.54624e+01
Coefficient B			-6.70760e+03
Coefficient C			-1.57198e+02
Temperature range, min.			599.22
Temperature range, max.			817.99
Pvap	1.33	kPa	599.22	Calculated Property
Pvap	2.94	kPa	623.53	Calculated Property
Pvap	6.00	kPa	647.84	Calculated Property
Pvap	11.43	kPa	672.14	Calculated Property
Pvap	20.57	kPa	696.45	Calculated Property
Pvap	35.17	kPa	720.76	Calculated Property
Pvap	57.53	kPa	745.07	Calculated Property
Pvap	90.51	kPa	769.37	Calculated Property
Pvap	137.54	kPa	793.68	Calculated Property
Pvap	202.66	kPa	817.99	Calculated Property

Similar Compounds

Find more compounds similar to Heptatriacontane.

Sources

• Crippen Method
• Crippen Method
• Vapor Pressures and Vaporization Enthalpies of the n-Alkanes from C31 to C38 at T = 298.15 K by Correlation Gas Chromatography
• Joback Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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