Chemical Properties of Pyridine, 4-methyl- (CAS 108-89-4)

InChI

InChI=1S/C6H7N/c1-6-2-4-7-5-3-6/h2-5H,1H3

InChI Key

FKNQCJSGGFJEIZ-UHFFFAOYSA-N

Formula

C6H7N

SMILES

Cc1ccncc1

Molecular Weight¹

93.13

CAS

108-89-4

Other Names

• .gamma.-picoline
• 4-Methylpyridine
• 4-PICOLINE
• Ba 35846
• GAMMA-PICOLINE
• NSC 18252
• p-Methylpyridine
• p-Picoline
• para-Methylpyridine
• «gamma»-Methylpyridine
• «gamma»-Picoline
• «gamma»-Methylpyridine
• «gamma»-Picoline

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• 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_subH : Enthalpy of sublimation at a given temperature (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).
• NFPA Fire : NFPA Fire Rating.
• NFPA Health : NFPA Health Rating.
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_c : Critical density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• c_sound,fluid : Speed of sound in fluid (m/s).
• 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).
• Z_c : Critical Compressibility.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.3010		KDB
PAff	947.20	kJ/mol	NIST
BasG	915.30	kJ/mol	NIST
ΔcH°liquid	[-3420.70; -3417.00]	kJ/mol
ΔcH°liquid	-3420.70 ± 0.84	kJ/mol	NIST
ΔcH°liquid	-3418.30 ± 0.63	kJ/mol	NIST
ΔcH°liquid	-3417.00	kJ/mol	NIST
η	0.0008723	Pa×s	Density...
ΔfH°gas	[92.70; 103.80]	kJ/mol
ΔfH°gas	102.30	kJ/mol	KDB
ΔfH°gas	103.80 ± 0.92	kJ/mol	NIST
ΔfH°gas	102.13 ± 0.63	kJ/mol	NIST
ΔfH°gas	102.20 ± 0.63	kJ/mol	NIST
ΔfH°gas	92.70	kJ/mol	NIST
ΔfH°liquid	[48.07; 59.20]	kJ/mol
ΔfH°liquid	59.20 ± 0.88	kJ/mol	NIST
ΔfH°liquid	56.78 ± 0.63	kJ/mol	NIST
ΔfH°liquid	48.07	kJ/mol	NIST
IE	[9.04; 9.55]	eV
IE	9.46 ± 0.05	eV	NIST
IE	9.50 ± 0.10	eV	NIST
IE	9.55 ± 0.05	eV	NIST
IE	9.55	eV	NIST
IE	Outlier 9.04 ± 0.03	eV	NIST
IE	9.41	eV	NIST
IE	9.50 ± 0.05	eV	NIST
log10WS	-1.71		Crippen Calculated Property
logPoct/wat	1.390		Crippen Calculated Property
McVol	81.620	ml/mol	McGowan Calculated Property
NFPA Fire	2		KDB
NFPA Health	2		KDB
Pc	[4660.00; 4700.00]	kPa
Pc	4700.00	kPa	KDB
Pc	4660.00 ± 50.66	kPa	NIST
ρc	285.90 ± 19.56	kg/m3	NIST
Inp	[131.86; 881.00]
Inp	843.30		NIST
Inp	864.00		NIST
Inp	852.00		NIST
Inp	877.00		NIST
Inp	843.10		NIST
Inp	845.00		NIST
Inp	852.00		NIST
Inp	845.00		NIST
Inp	863.00		NIST
Inp	846.00		NIST
Inp	843.00		NIST
Inp	843.00		NIST
Inp	844.00		NIST
Inp	846.00		NIST
Inp	860.00		NIST
Inp	877.00		NIST
Inp	823.20		NIST
Inp	857.00		NIST
Inp	865.00		NIST
Inp	871.00		NIST
Inp	881.00		NIST
Inp	853.00		NIST
Inp	852.00		NIST
Inp	850.00		NIST
Inp	832.70		NIST
Inp	852.00		NIST
Inp	850.00		NIST
Inp	850.00		NIST
Inp	862.00		NIST
Inp	849.00		NIST
Inp	865.00		NIST
Inp	867.80		NIST
Inp	864.00		NIST
Inp	848.00		NIST
Inp	848.00		NIST
Inp	868.00		NIST
Inp	841.00		NIST
Inp	876.00		NIST
Inp	832.00		NIST
Inp	Outlier 131.86		NIST
Inp	867.80		NIST
Inp	841.00		NIST
Inp	Outlier 131.86		NIST
Inp	865.00		NIST
Inp	843.30		NIST
Inp	845.00		NIST
Inp	843.00		NIST
Inp	877.00		NIST
Inp	881.00		NIST
I	[1289.00; 1354.00]
I	1316.00		NIST
I	1309.00		NIST
I	1289.00		NIST
I	1303.00		NIST
I	1310.00		NIST
I	1297.00		NIST
I	Outlier 1354.00		NIST
I	Outlier 1350.00		NIST
I	1346.00		NIST
I	1294.00		NIST
I	1308.00		NIST
I	1309.00		NIST
I	1310.00		NIST
I	1303.00		NIST
I	1320.00		NIST
I	1320.00		NIST
I	1322.00		NIST
I	1289.00		NIST
I	1345.00		NIST
I	1298.00		NIST
I	1298.00		NIST
I	1298.00		NIST
I	1300.00		NIST
I	1296.00		NIST
I	1296.00		NIST
I	1297.00		NIST
I	1300.00		NIST
I	1345.00		NIST
S°liquid	[208.22; 209.09]	J/mol×K
S°liquid	209.09	J/mol×K	NIST
S°liquid	208.22	J/mol×K	NIST
S°liquid	208.22	J/mol×K	NIST
Tboil	418.51	K	KDB
Tc	[645.65; 646.30]	K
Tc	645.70	K	KDB
Tc	646.00	K	NIST
Tc	646.30 ± 0.50	K	NIST
Tc	645.65 ± 0.50	K	NIST
Tfus	276.81	K	KDB
Ttriple	[276.80; 276.81]	K
Ttriple	276.80 ± 0.03	K	NIST
Ttriple	276.81 ± 0.02	K	NIST
Ttriple	276.80 ± 1.00	K	NIST
Vc	0.292	m3/kmol	KDB
Zc	0.2556310		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[155.88; 160.84]	J/mol×K	[293.15; 303.15]
Cp,liquid	155.88	J/mol×K	293.15	Excess ...
Cp,liquid	158.52	J/mol×K	298.15	Excess ...
Cp,liquid	158.99	J/mol×K	298.15	NIST
Cp,liquid	158.99	J/mol×K	298.15	NIST
Cp,liquid	158.99	J/mol×K	298.15	NIST
Cp,liquid	160.84	J/mol×K	303.15	Excess ...
ΔsubH	62.70	kJ/mol	226.00	NIST
ΔvapH	[36.20; 43.90]	kJ/mol	[313.00; 605.00]
ΔvapH	43.90 ± 0.10	kJ/mol	313.00	NIST
ΔvapH	42.90 ± 0.10	kJ/mol	328.00	NIST
ΔvapH	42.10 ± 0.10	kJ/mol	343.00	NIST
ΔvapH	42.10	kJ/mol	347.50	NIST
ΔvapH	41.30	kJ/mol	384.00	NIST
ΔvapH	36.20 ± 0.20	kJ/mol	393.50	NIST
ΔvapH	43.40 ± 0.10	kJ/mol	393.50	NIST
ΔvapH	41.10 ± 0.10	kJ/mol	393.50	NIST
ΔvapH	38.80 ± 0.10	kJ/mol	393.50	NIST
ΔvapH	41.40	kJ/mol	403.50	NIST
ΔvapH	41.40	kJ/mol	404.00	NIST
ΔvapH	37.51	kJ/mol	418.50	NIST
ΔvapH	40.00	kJ/mol	420.50	NIST
ΔvapH	37.90	kJ/mol	512.50	NIST
ΔvapH	37.20	kJ/mol	605.00	NIST
ρl	[940.82; 955.10]	kg/m3	[293.00; 308.15]
ρl	955.00	kg/m3	293.00	KDB
ρl	955.10	kg/m3	293.15	Thermod...
ρl	950.18	kg/m3	298.15	Thermod...
ρl	950.18	kg/m3	298.15	Thermod...
ρl	949.87	kg/m3	298.15	Determi...
ρl	950.18	kg/m3	298.15	Thermod...
ρl	945.41	kg/m3	303.15	Thermod...
ρl	940.82	kg/m3	308.15	Thermod...
csound,fluid	[1389.89; 1451.06]	m/s	[293.15; 308.15]
csound,fluid	1451.06	m/s	293.15	Topolog...
csound,fluid	1431.50	m/s	298.15	Topolog...
csound,fluid	1431.50	m/s	298.15	Thermod...
csound,fluid	1410.67	m/s	303.15	Topolog...
csound,fluid	1410.67	m/s	303.15	Thermod...
csound,fluid	1389.89	m/s	308.15	Topolog...
csound,fluid	1389.89	m/s	308.15	Thermod...

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.20; 202.66]	kPa	[276.80; 445.23]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.47098e+01
Coefficient B			-3.72569e+03
Coefficient C			-4.88090e+01
Temperature range, min.			276.80
Temperature range, max.			445.23
Pvap	0.20	kPa	276.80	Calculated Property
Pvap	0.68	kPa	295.51	Calculated Property
Pvap	1.96	kPa	314.23	Calculated Property
Pvap	4.94	kPa	332.94	Calculated Property
Pvap	11.11	kPa	351.66	Calculated Property
Pvap	22.73	kPa	370.37	Calculated Property
Pvap	42.99	kPa	389.09	Calculated Property
Pvap	76.07	kPa	407.80	Calculated Property
Pvap	127.21	kPa	426.52	Calculated Property
Pvap	202.66	kPa	445.23	Calculated Property
Pvap	[0.19; 4659.31]	kPa	[276.73; 646.15]	KDB Vap...
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			7.50954e+01
Coefficient B			-7.72011e+03
Coefficient C			-8.74794e+00
Coefficient D			4.56813e-06
Temperature range, min.			276.73
Temperature range, max.			646.15
Pvap	0.19	kPa	276.73	Calculated Property
Pvap	2.37	kPa	317.78	Calculated Property
Pvap	14.97	kPa	358.82	Calculated Property
Pvap	60.90	kPa	399.87	Calculated Property
Pvap	182.97	kPa	440.92	Calculated Property
Pvap	443.59	kPa	481.96	Calculated Property
Pvap	921.01	kPa	523.01	Calculated Property
Pvap	1707.05	kPa	564.06	Calculated Property
Pvap	2909.34	kPa	605.10	Calculated Property
Pvap	4659.31	kPa	646.15	Calculated Property

Similar Compounds

Find more compounds similar to Pyridine, 4-methyl-.

Mixtures

• Pyridine, 4-methyl- + o-Toluidine
• Pyridine, 4-methyl- + Tetrahydropyran + o-Toluidine
• Pyridine, 4-methyl- + Tetrahydropyran
• Pyridine, 4-methyl- + 2-Pyrrolidinone, 1-methyl-
• Pyridine, 4-methyl- + Water
• Pyridine, 4-methyl- + Methyl Alcohol
• 4-Pyridinecarboxylic acid + Pyridine, 4-methyl- + Water

Sources

• KDB Pure (Korean Thermophysical Properties Databank)
• KDB Vapor Pressure Data
• Crippen Method
• Crippen Method
• Thermodynamic studies of molecular interactions in mixtures of o-toulidine with pyridine and picolines: Excess molar volumes, excess molar enthalpies, and excess isentropic compressibilities
• Thermodynamic and topological investigations of ternary mixtures with o-toluidine, tetrahydropyran, and picolines: Excess molar volume and excess isentropic compressibility
• Topological investigations of binary mixtures containing ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate and pyridine or isomeric picolines
• Thermodynamic properties of binary mixtures of tetrahydropyran with pyridine and isomeric picolines: Excess molar volumes, excess molar enthalpies and excess isentropic compressibilities
• Excess molar enthalpies of ternary mixtures containing o-toluidine + tetrahydropyran with pyridine or isomeric picolines or benzene or toluene at 308.15K
• Excess heat capacities of 1-methyl pyrrolidin-2-one and pyridine orpicolines mixtures
• Excess molar enthalpies of ternary mixtures containing1-ethyl-3-methylimidazolium tetrafluoroborate and organic solvents
• Determination of Infinite Dilution Partial Molar Excess Enthalpies and Volumes for Some Ionic Liquid Precursors in Water and Methanol Using Tandem Flow Mixing Calorimetry and Vibrating-Tube Densimetry
• Thermodynamic Properties of Ternary Mixtures Containing Ionic Liquid and Organic Liquids: Excess Molar Volume and Excess Isentropic Compressibility
• Solubility of Isonicotinic Acid in 4-Methylpyridine + Water from (287.65 to 361.15) K
• Density and Viscosity of (4-Picoline + Water) Binary Mixtures from T ) (298.15 to 338.15) K
• KDB
• 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.