Chemical Properties of Octadecanoic acid (CAS 57-11-4)

InChI

InChI=1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)

InChI Key

QIQXTHQIDYTFRH-UHFFFAOYSA-N

Formula

C18H36O2

SMILES

CCCCCCCCCCCCCCCCCC(=O)O

Molecular Weight¹

284.48

CAS

57-11-4

Other Names

• 1-Heptadecanecarboxylic acid
• Adeka Fatty Acid SA 910
• Barolub FTA
• Century 1210
• Century 1220
• Century 1224
• Century 1230
• Century 1240
• Cetylacetic acid
• Dar-chem 14
• Edenor C18
• Emersol 120
• Emersol 132
• Emersol 150
• Emersol 153
• Emersol 6349
• Formula 300
• Glycon DP
• Glycon S-70
• Glycon S-80
• Glycon S-90
• Glycon TP
• Groco 54
• Groco 55
• Groco 55L
• Groco 58
• Groco 59
• Heptadecanecarboxylic acid
• Humko Industrene R
• Hy-phi 1199
• Hy-phi 1205
• Hy-phi 1303
• Hy-phi 1401
• Hydrofol 1895
• Hydrofol Acid 150
• Hydrofol Acid 1895
• Hydrofol acid 1655
• Hydrofol acid 1855
• Hystrene 4516
• Hystrene 5016
• Hystrene 7018
• Hystrene 7018 FG
• Hystrene 80
• Hystrene 9718
• Hystrene 9718 NF FG
• Hystrene S-97
• Hystrene T-70
• Industrene 4518
• Industrene 5016
• Industrene 7018 FG
• Industrene 8718
• Industrene 9018
• Industrene R
• Kam 1000
• Kam 2000
• Kam 3000
• Kiri stearic acid
• Loxiol G 20
• Lunac S 20
• Lunac S 40
• N-STEARIC ACID
• NAA 173
• Neo-Fat 18
• Neo-Fat 18-53
• Neo-Fat 18-54
• Neo-Fat 18-55
• Neo-Fat 18-59
• Neo-Fat 18-S
• Neo-fat 18-61
• Octadecanoic acid (stearic acid)
• PD 185
• Pearl stearic
• Prifac 2918
• Pristerene 4904
• Promulsin
• Proviscol wax
• SA 400 (fatty acid)
• Stearex
• Stearex Beads
• Stearic acid
• Stearophanic acid
• Steric acid
• Tegostearic 254
• Tegostearic 255
• Tegostearic 272
• Tsubaki
• Vanicol
• Vis-Plus
• WO 2 (fatty acid)
• n-Octadecanoic acid
• n-Octadecylic acid

• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• 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_fH°_liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_solid : Solid phase 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_subH° : Enthalpy of sublimation at standard conditions (kJ/mol).
• Δ_subH : Enthalpy of sublimation 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).
• 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_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_{solid,1 bar} : Solid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (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
ΔcH°liquid	[-11336.80; -11280.10]	kJ/mol
ΔcH°liquid	-11280.10 ± 1.90	kJ/mol	NIST
ΔcH°liquid	-11336.80 ± 2.10	kJ/mol	NIST
ΔcH°solid	[-11316.00; -11271.00]	kJ/mol
ΔcH°solid	-11290.79	kJ/mol	NIST
ΔcH°solid	-11271.00 ± 13.00	kJ/mol	NIST
ΔcH°solid	-11316.00 ± 11.00	kJ/mol	NIST
ΔcH°solid	-11298.00	kJ/mol	NIST
ΔfG°	-165.06	kJ/mol	Joback Calculated Property
ΔfH°gas	-819.10 ± 5.50	kJ/mol	NIST
ΔfH°liquid	-947.20 ± 2.20	kJ/mol	NIST
ΔfH°solid	-912.00 ± 11.00	kJ/mol	NIST
ΔfusH°	61.20	kJ/mol	Solid-L...
ΔsubH°	204.00 ± 9.00	kJ/mol	NIST
ΔvapH°	79.09	kJ/mol	Joback Calculated Property
log10WS	-5.68		Aq. Sol...
logPoct/wat	6.333		Crippen Calculated Property
McVol	271.920	ml/mol	McGowan Calculated Property
Pc	1326.58 ± 85.00	kPa	NIST
Ptriple	4.27e-06 ± 2.00e-06	kPa	NIST
Inp	[350.90; 2200.00]
Inp	2179.00		NIST
Inp	2161.00		NIST
Inp	2192.00		NIST
Inp	2170.00		NIST
Inp	2170.00		NIST
Inp	2188.00		NIST
Inp	2158.00		NIST
Inp	2162.00		NIST
Inp	2187.00		NIST
Inp	2178.00		NIST
Inp	2180.00		NIST
Inp	2180.00		NIST
Inp	2166.00		NIST
Inp	2172.00		NIST
Inp	2174.00		NIST
Inp	2157.00		NIST
Inp	2172.00		NIST
Inp	2172.00		NIST
Inp	2173.00		NIST
Inp	2172.00		NIST
Inp	2164.00		NIST
Inp	2172.00		NIST
Inp	2178.00		NIST
Inp	2139.00		NIST
Inp	2142.00		NIST
Inp	2138.54		NIST
Inp	2175.00		NIST
Inp	2180.00		NIST
Inp	2200.00		NIST
Inp	2137.00		NIST
Inp	2177.00		NIST
Inp	2177.00		NIST
Inp	2159.00		NIST
Inp	2161.00		NIST
Inp	2143.00		NIST
Inp	2153.00		NIST
Inp	2163.00		NIST
Inp	2137.00		NIST
Inp	2177.00		NIST
Inp	2177.00		NIST
Inp	2173.00		NIST
Inp	2169.00		NIST
Inp	2167.50		NIST
Inp	2180.00		NIST
Inp	2169.00		NIST
Inp	2157.00		NIST
Inp	2158.00		NIST
Inp	2160.00		NIST
Inp	2162.00		NIST
Inp	2181.00		NIST
Inp	2178.00		NIST
Inp	2172.00		NIST
Inp	2180.00		NIST
Inp	2170.00		NIST
Inp	2137.00		NIST
Inp	2152.00		NIST
Inp	2168.00		NIST
Inp	2142.00		NIST
Inp	2155.00		NIST
Inp	2178.00		NIST
Inp	2161.00		NIST
Inp	2155.00		NIST
Inp	2180.00		NIST
Inp	2155.00		NIST
Inp	2200.00		NIST
Inp	2187.00		NIST
Inp	2139.00		NIST
Inp	2137.00		NIST
Inp	2162.00		NIST
Inp	2164.00		NIST
Inp	2172.00		NIST
Inp	2180.00		NIST
Inp	2173.00		NIST
Inp	2177.00		NIST
Inp	2140.00		NIST
Inp	2174.00		NIST
Inp	Outlier 352.98		NIST
Inp	Outlier 366.90		NIST
Inp	Outlier 350.90		NIST
Inp	Outlier 351.12		NIST
Inp	Outlier 352.98		NIST
Inp	2180.00		NIST
Inp	2177.00		NIST
Inp	2153.00		NIST
Inp	2173.00		NIST
Inp	2157.00		NIST
Inp	2178.00		NIST
Inp	2152.00		NIST
I	[3090.00; 3181.00]
I	3181.00		NIST
I	3136.00		NIST
I	3132.00		NIST
I	3120.00		NIST
I	3130.00		NIST
I	3104.00		NIST
I	3181.00		NIST
I	3090.00		NIST
I	3181.00		NIST
S°solid,1 bar	435.60	J/mol×K	NIST
Tboil	[631.15; 634.20]	K
Tboil	634.20	K	NIST
Tboil	631.15 ± 5.00	K	NIST
Tc	805.09 ± 3.50	K	NIST
Tfus	[326.15; 343.98]	K
Tfus	342.58	K	Aq. Sol...
Tfus	343.67	K	Measure...
Tfus	343.63	K	Solid-l...
Tfus	343.98	K	The sol...
Tfus	Outlier 326.15	K	Prepara...
Tfus	327.17	K	Thermal...
Tfus	341.55	K	Predict...
Tfus	343.10	K	Solid L...
Tfus	341.91	K	Solid-L...
Tfus	342.90	K	Study o...
Ttriple	[325.66; 344.08]	K
Ttriple	325.66	K	High la...
Ttriple	344.08	K	Solubil...
Ttriple	342.49 ± 0.02	K	NIST
Ttriple	341.85 ± 0.50	K	NIST
Ttriple	342.65 ± 0.01	K	NIST
Vc	1.069	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[835.45; 926.26]	J/mol×K	[757.29; 930.44]
T(K) Ideal gas heat capacity (J/mol×K) 840 860 880 900 920 800 850 900
Cp,gas	835.45	J/mol×K	757.29	Joback Calculated Property
Cp,gas	852.51	J/mol×K	786.15	Joback Calculated Property
Cp,gas	868.77	J/mol×K	815.01	Joback Calculated Property
Cp,gas	884.24	J/mol×K	843.87	Joback Calculated Property
Cp,gas	898.96	J/mol×K	872.73	Joback Calculated Property
Cp,gas	912.95	J/mol×K	901.59	Joback Calculated Property
Cp,gas	926.26	J/mol×K	930.44	Joback Calculated Property
Cp,solid	[501.55; 561.90]	J/mol×K	[298.15; 298.15]
Cp,solid	501.55	J/mol×K	298.15	NIST
Cp,solid	561.90	J/mol×K	298.15	NIST
η	[0.0000245; 0.0024382]	Pa×s	[403.37; 757.29]
T(K) Dynamic viscosity (Pa×s) 0 5.00e-4 1.00e-3 1.50e-3 2.00e-3 2.50e-3 400 500 600 700
η	0.0024382	Pa×s	403.37	Joback Calculated Property
η	0.0006944	Pa×s	462.36	Joback Calculated Property
η	0.0002628	Pa×s	521.34	Joback Calculated Property
η	0.0001211	Pa×s	580.33	Joback Calculated Property
η	0.0000644	Pa×s	639.32	Joback Calculated Property
η	0.0000381	Pa×s	698.30	Joback Calculated Property
η	0.0000245	Pa×s	757.29	Joback Calculated Property
ΔfusH	[50.93; 68.45]	kJ/mol	[326.10; 344.10]
T(K) Enthalpy of fusion at a given temperature (kJ/mol) 50 55 60 65 70 330 335 340
ΔfusH	64.64	kJ/mol	326.10	NIST
ΔfusH	60.40	kJ/mol	338.30	NIST
ΔfusH	50.93	kJ/mol	340.20	NIST
ΔfusH	61.21	kJ/mol	342.50	NIST
ΔfusH	61.21	kJ/mol	342.50	NIST
ΔfusH	68.45	kJ/mol	342.65	NIST
ΔfusH	61.30	kJ/mol	342.75	NIST
ΔfusH	63.20	kJ/mol	342.80	NIST
ΔfusH	57.80	kJ/mol	344.10	NIST
ΔsubH	[158.00; 167.00]	kJ/mol	[300.00; 335.50]
ΔsubH	158.50	kJ/mol	300.00	NIST
ΔsubH	158.00	kJ/mol	307.50	NIST
ΔsubH	167.00 ± 4.20	kJ/mol	330.89	NIST
ΔsubH	166.50 ± 4.20	kJ/mol	335.50	NIST
ΔvapH	[79.80; 132.60]	kJ/mol	[298.00; 553.00]
T(K) Enthalpy of vaporization at a given temperature (kJ/mol) 80 90 100 110 120 130 300 400 500
ΔvapH	132.60	kJ/mol	298.00	Vapor P...
ΔvapH	118.90 ± 2.00	kJ/mol	377.50	NIST
ΔvapH	124.30	kJ/mol	382.00	NIST
ΔvapH	79.80	kJ/mol	515.00	NIST
ΔvapH	100.60	kJ/mol	553.00	NIST
Pvap	[1.33; 9.33]	kPa	[501.30; 553.20]
T(K) Vapor pressure (kPa) 2 4 6 8 10 520 540
Pvap	1.33	kPa	501.30	Vapor p...
Pvap	2.67	kPa	519.10	Vapor p...
Pvap	4.00	kPa	528.90	Vapor p...
Pvap	5.33	kPa	535.90	Vapor p...
Pvap	6.67	kPa	543.70	Vapor p...
Pvap	8.00	kPa	548.70	Vapor p...
Pvap	9.33	kPa	553.20	Vapor p...
ΔfusS	[178.80; 1998.00]	J/mol×K	[326.10; 342.75]
ΔfusS	198.00	J/mol×K	326.10	NIST
ΔfusS	1998.00	J/mol×K	342.65	NIST
ΔfusS	178.80	J/mol×K	342.75	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.63]	kPa	[501.40; 675.67]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.62589e+01
Coefficient B			-6.06525e+03
Coefficient C			-1.21641e+02
Temperature range, min.			501.40
Temperature range, max.			675.67
T(K) Vapor pressure (kPa) 0 50 100 150 200 500 550 600 650
Pvap	1.33	kPa	501.40	Calculated Property
Pvap	2.89	kPa	520.76	Calculated Property
Pvap	5.85	kPa	540.13	Calculated Property
Pvap	11.10	kPa	559.49	Calculated Property
Pvap	19.95	kPa	578.85	Calculated Property
Pvap	34.20	kPa	598.22	Calculated Property
Pvap	56.21	kPa	617.58	Calculated Property
Pvap	89.00	kPa	636.94	Calculated Property
Pvap	136.31	kPa	656.31	Calculated Property
Pvap	202.63	kPa	675.67	Calculated Property
Pvap	[5.79e-05; 1280.78]	kPa	[342.75; 799.00]	KDB Vap...
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			1.29855e+02
Coefficient B			-1.68057e+04
Coefficient C			-1.56000e+01
Coefficient D			4.06439e-06
Temperature range, min.			342.75
Temperature range, max.			799.00
T(K) Vapor pressure (kPa) 0 200 400 600 800 1000 1200 1400 400 600 800
Pvap	5.79e-05	kPa	342.75	Calculated Property
Pvap	4.34e-03	kPa	393.44	Calculated Property
Pvap	0.10	kPa	444.14	Calculated Property
Pvap	1.11	kPa	494.83	Calculated Property
Pvap	7.03	kPa	545.53	Calculated Property
Pvap	30.53	kPa	596.22	Calculated Property
Pvap	100.54	kPa	646.92	Calculated Property
Pvap	270.02	kPa	697.61	Calculated Property
Pvap	622.71	kPa	748.31	Calculated Property
Pvap	1280.78	kPa	799.00	Calculated Property

Similar Compounds

Find more compounds similar to Octadecanoic acid.

Mixtures

• Octadecanoic acid + Tetramethylammonium chloride
• Octadecanoic acid + Tripalmitin
• Dodecanoic acid + Octadecanoic acid
• Hexadecane + Octadecanoic acid
• Octadecanoic acid + 1-Hexadecanol
• Isopropyl Alcohol + Octadecanoic acid
• Octadecanoic acid + Ethanol
• Octadecanoic acid + n-Decanoic acid
• Carbon dioxide + Octadecanoic acid
• Octadecanoic acid + Tetradecanoic acid
• Octadecanoic acid + n-Hexadecanoic acid
• n-Hexane + Octadecanoic acid
• Octadecanoic acid + Heptane
• Octadecanoic acid + Pentane, 2,2,4-trimethyl-
• 1-Hexene + Octadecanoic acid
• Toluene + Octadecanoic acid
• Octadecanoic acid + Cyclohexane
• Octadecanoic acid + Ethylbenzene
• Octadecanoic acid + Methyl Alcohol
• 1-Propanol + Octadecanoic acid

Find more mixtures with Octadecanoic acid.

Sources

• KDB Vapor Pressure Data
• Crippen Method
• Measurement and PC-SAFT modeling of solid-liquid equilibrium of deep eutectic solvents of quaternary ammonium chlorides and carboxylic acids
• Solid-liquid phase equilibrium diagrams of binary mixtures containing fatty acids, fatty alcohol compounds and tripalmitin using differential scanning calorimetry
• Experimental determination of the (vapor + liquid) equilibrium data of binary mixtures of fatty acids by differential scanning calorimetry
• Solubilities of palmitic and stearic fatty acids in supercritical carbon dioxide
• Activity coefficient at infinite dilution measurements for organic solutes (polar and non-polar) in fatty compounds Part II: C18 fatty acids
• Physical properties of systems of interest to the edible oil industry: Viscosities and densities of model systems formed by (triacylglycerol + fatty acid + solvent)
• The solid liquid phase diagrams of binary mixtures of even saturated fatty acids differing by six carbon atoms
• Vapor pressure data for fatty acids obtained using an adaptation of the DSC technique
• Preparation of paraffin and fatty acid phase changing nanoemulsions for heat transfer
• Thermal analysis and quantitative characterization of compatibility between diflunisal and lipid excipients as raw materials for development of solid lipid nanoparticles
• Prediction of the properties of eutectic fatty acid phase change materials
• High latent heat stearic acid impregnated in expanded graphite
• Solid Liquid Equilibria in the Binary Systems of Saturated Fatty Acids or Triglycerides (C12 to C18) + Hexadecane
• Solid-Liquid Equilibrium of Binary Systems Containing Fatty Acids and Fatty Alcohols Using Differential Scanning Calorimetry
• Solubility Measurement of Lauric, Palmitic, and Stearic Acids in Ethanol, n-Propanol, and 2-Propanol Using Differential Scanning Calorimetry
• Apparent Molar Volumes and Viscosities of Lauric, Palmitic, and Stearic Acids in 2-Butanol at (20, 30, 40, and 60) C
• Solid-Liquid Equilibrium of Binary Fatty Acid Mixtures
• Phase Equilibria of Long-Chain Carboxylic Acids in Supercritical Propane
• Solubilities of Fatty Acids and Triglycerides in 1-Bromopropane
• Vapor Pressures and Vaporization, Sublimation, and Fusion Enthalpies of Some Fatty Acids
• Study of the Effect of Pressure on Melting Behavior of Saturated Fatty Acids in Liquid or Supercritical Carbon Dioxide
• Solubilities of Stearic Acid in Organic Solvents and in Azeotropic Solvent Mixtures
• Solubilities of Hexadecanoic and Octadecanoic Acids in Supercritical CO2 With and Without Cosolvents
• Measurement and Correlation of the Solid-Liquid-Gas Equilibria for Carbon Dioxide + Octadecanoic Acid (Stearic Acid) and Carbon Dioxide + 1-Octadecanol (Stearyl Alcohol) Systems
• Solubility and Mass Transfer Coefficient Enhancement of Stearic Acid through Hydrotropy
• Joback Method
• Aqueous Solubility Prediction Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.