Chemical Properties of 1-Octacosene (CAS 18835-34-2)

InChI

InChI=1S/C28H56/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3H,1,4-28H2,2H3

InChI Key

QEXZDYLACYKGOM-UHFFFAOYSA-N

Formula

C28H56

SMILES

C=CCCCCCCCCCCCCCCCCCCCCCCCCCC

Molecular Weight¹

392.74

CAS

18835-34-2

Other Names

• Octacosene
• octacos-1-ene

• 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).
• I_np : Non-polar retention indices.
• 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°	272.72	kJ/mol	Joback Calculated Property
ΔfH°gas	-495.82	kJ/mol	Joback Calculated Property
ΔfusH°	67.00	kJ/mol	Joback Calculated Property
ΔvapH°	77.25	kJ/mol	Joback Calculated Property
log10WS	-11.40		Crippen Calculated Property
logPoct/wat	10.945		Crippen Calculated Property
McVol	401.080	ml/mol	McGowan Calculated Property
Pc	669.77	kPa	Joback Calculated Property
Inp	[2794.00; 2797.00]
Inp	2797.00		NIST
Inp	2794.00		NIST
Inp	2797.00		NIST
Tboil	836.72	K	Joback Calculated Property
Tc	1025.39	K	Joback Calculated Property
Tfus	403.56	K	Joback Calculated Property
Vc	1.585	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[1319.64; 1450.72]	J/mol×K	[836.72; 1025.39]
Cp,gas	1319.64	J/mol×K	836.72	Joback Calculated Property
Cp,gas	1344.43	J/mol×K	868.16	Joback Calculated Property
Cp,gas	1367.96	J/mol×K	899.61	Joback Calculated Property
Cp,gas	1390.29	J/mol×K	931.05	Joback Calculated Property
Cp,gas	1411.48	J/mol×K	962.50	Joback Calculated Property
Cp,gas	1431.61	J/mol×K	993.94	Joback Calculated Property
Cp,gas	1450.72	J/mol×K	1025.39	Joback Calculated Property
η	[0.0000350; 0.0014117]	Pa×s	[403.56; 836.72]
η	0.0014117	Pa×s	403.56	Joback Calculated Property
η	0.0004777	Pa×s	475.75	Joback Calculated Property
η	0.0002151	Pa×s	547.95	Joback Calculated Property
η	0.0001166	Pa×s	620.14	Joback Calculated Property
η	0.0000718	Pa×s	692.33	Joback Calculated Property
η	0.0000485	Pa×s	764.53	Joback Calculated Property
η	0.0000350	Pa×s	836.72	Joback Calculated Property
ΔvapH	111.00	kJ/mol	575.50	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.66]	kPa	[533.60; 747.16]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.20567e+01
Coefficient B			-3.37453e+03
Coefficient C			-2.46872e+02
Temperature range, min.			533.60
Temperature range, max.			747.16
Pvap	1.33	kPa	533.60	Calculated Property
Pvap	3.28	kPa	557.33	Calculated Property
Pvap	7.09	kPa	581.06	Calculated Property
Pvap	13.85	kPa	604.79	Calculated Property
Pvap	24.89	kPa	628.52	Calculated Property
Pvap	41.77	kPa	652.24	Calculated Property
Pvap	66.19	kPa	675.97	Calculated Property
Pvap	99.95	kPa	699.70	Calculated Property
Pvap	144.85	kPa	723.43	Calculated Property
Pvap	202.66	kPa	747.16	Calculated Property

Similar Compounds

Find more compounds similar to 1-Octacosene.

Sources

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

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