Chemical Properties of Nonadecanoic acid (CAS 646-30-0)

InChI

InChI=1S/C19H38O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(20)21/h2-18H2,1H3,(H,20,21)

InChI Key

ISYWECDDZWTKFF-UHFFFAOYSA-N

Formula

C19H38O2

SMILES

CCCCCCCCCCCCCCCCCCC(=O)O

Molecular Weight¹

298.50

CAS

646-30-0

Other Names

• n-Nonadecanoic acid
• nonadecylic acid

• Δ_cH°_liquid : Standard liquid 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_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_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
ΔcH°liquid	-11923.40 ± 2.30	kJ/mol	NIST
ΔfG°	-156.64	kJ/mol	Joback Calculated Property
ΔfH°gas	-700.30	kJ/mol	Joback Calculated Property
ΔfusH°	50.65	kJ/mol	Joback Calculated Property
ΔsubH°	192.00	kJ/mol	NIST
ΔvapH°	81.31	kJ/mol	Joback Calculated Property
log10WS	-6.87		Crippen Calculated Property
logPoct/wat	6.723		Crippen Calculated Property
McVol	286.010	ml/mol	McGowan Calculated Property
Pc	1199.79	kPa	Joback Calculated Property
Inp	[2236.00; 2236.00]
Inp	2236.00		NIST
Inp	2236.00		NIST
Tboil	780.17	K	Joback Calculated Property
Tc	956.58	K	Joback Calculated Property
Tfus	[338.80; 372.40]	K
Tfus	341.45 ± 0.40	K	NIST
Tfus	372.40 ± 0.40	K	NIST
Tfus	372.40 ± 0.30	K	NIST
Tfus	341.33 ± 0.05	K	NIST
Tfus	338.80 ± 1.00	K	NIST
Tfus	340.70 ± 2.00	K	NIST
Ttriple	341.23 ± 0.02	K	NIST
Vc	1.125	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[894.79; 988.34]	J/mol×K	[780.17; 956.58]
Cp,gas	894.79	J/mol×K	780.17	Joback Calculated Property
Cp,gas	912.43	J/mol×K	809.57	Joback Calculated Property
Cp,gas	929.20	J/mol×K	838.97	Joback Calculated Property
Cp,gas	945.14	J/mol×K	868.38	Joback Calculated Property
Cp,gas	960.29	J/mol×K	897.78	Joback Calculated Property
Cp,gas	974.68	J/mol×K	927.18	Joback Calculated Property
Cp,gas	988.34	J/mol×K	956.58	Joback Calculated Property
Cp,solid	525.35	J/mol×K	298.15	NIST
η	[0.0000204; 0.0020135]	Pa×s	[414.64; 780.17]
η	0.0020135	Pa×s	414.64	Joback Calculated Property
η	0.0005734	Pa×s	475.56	Joback Calculated Property
η	0.0002172	Pa×s	536.48	Joback Calculated Property
η	0.0001003	Pa×s	597.40	Joback Calculated Property
η	0.0000534	Pa×s	658.33	Joback Calculated Property
η	0.0000317	Pa×s	719.25	Joback Calculated Property
η	0.0000204	Pa×s	780.17	Joback Calculated Property
ΔfusH	[9.76; 57.62]	kJ/mol	[338.00; 341.20]
ΔfusH	9.76	kJ/mol	338.00	NIST
ΔfusH	57.00	kJ/mol	340.40	NIST
ΔfusH	57.62	kJ/mol	341.20	NIST
ΔfusH	57.62	kJ/mol	341.20	NIST
ΔsubH	143.60	kJ/mol	306.50	NIST
ΔvapH	[94.40; 138.00]	kJ/mol	[298.00; 585.00]
ΔvapH	138.00	kJ/mol	298.00	Vapor P...
ΔvapH	121.80	kJ/mol	382.50	NIST
ΔvapH	94.40	kJ/mol	585.00	NIST
ΔfusS	[28.87; 168.87]	J/mol×K	[338.00; 341.20]
ΔfusS	28.87	J/mol×K	338.00	NIST
ΔfusS	168.87	J/mol×K	341.20	NIST

Pressure Dependent Properties

Property	Value	Unit	Pressure (kPa)	Source
Tboilr	[502.20; 570.70]	K	[1.30; 13.30]
Tboilr	502.20	K	1.30	NIST
Tboilr	570.70	K	13.30	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.67]	kPa	[526.52; 682.15]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.80999e+01
Coefficient B			-7.05633e+03
Coefficient C			-1.30371e+02
Temperature range, min.			526.52
Temperature range, max.			682.15
Pvap	1.33	kPa	526.52	Calculated Property
Pvap	2.81	kPa	543.81	Calculated Property
Pvap	5.57	kPa	561.10	Calculated Property
Pvap	10.49	kPa	578.40	Calculated Property
Pvap	18.83	kPa	595.69	Calculated Property
Pvap	32.42	kPa	612.98	Calculated Property
Pvap	53.76	kPa	630.27	Calculated Property
Pvap	86.18	kPa	647.57	Calculated Property
Pvap	134.00	kPa	664.86	Calculated Property
Pvap	202.67	kPa	682.15	Calculated Property

Similar Compounds

Find more compounds similar to Nonadecanoic acid.

Sources

• Crippen Method
• Crippen Method
• Vapor Pressures and Vaporization, Sublimation, and Fusion Enthalpies of Some Fatty Acids
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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