Chemical Properties of Pyridine, 2,4-dimethyl- (CAS 108-47-4)

InChI

InChI=1S/C7H9N/c1-6-3-4-8-7(2)5-6/h3-5H,1-2H3

InChI Key

JYYNAJVZFGKDEQ-UHFFFAOYSA-N

Formula

C7H9N

SMILES

Cc1ccnc(C)c1

Molecular Weight¹

107.15

CAS

108-47-4

Other Names

• 2,4-Dimethylpyridine
• 2,4-LUTIDINE
• 2,4-Lutidene
• «alpha»,«gamma»-Dimethylpyridine
• «alpha»,«gamma»-Dimethylpyridine

• 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).
• μ : Dipole Moment (debye).
• 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_fusH : Enthalpy of fusion 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).
• 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).
• P_vap : Vapor pressure (kPa).
• 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).
• 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).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
PAff	962.90	kJ/mol	NIST
BasG	930.80	kJ/mol	NIST
ΔcH°liquid	-4056.90	kJ/mol	NIST
μ	2.30	debye	KDB
ΔfH°gas	63.90	kJ/mol	NIST
ΔfH°liquid	16.10	kJ/mol	NIST
ΔvapH°	[47.49; 47.78]	kJ/mol
ΔvapH°	47.49	kJ/mol	NIST
ΔvapH°	47.50	kJ/mol	NIST
ΔvapH°	47.78	kJ/mol	NIST
IE	8.85 ± 0.03	eV	NIST
log10WS	[0.38; 0.38]
log10WS	0.38		Aq. Sol...
log10WS	0.38		Estimat...
logPoct/wat	1.698		Crippen Calculated Property
McVol	95.710	ml/mol	McGowan Calculated Property
Inp	[145.96; 945.00]
Inp	918.70		NIST
Inp	919.50		NIST
Inp	911.00		NIST
Inp	912.00		NIST
Inp	922.00		NIST
Inp	917.00		NIST
Inp	912.00		NIST
Inp	924.00		NIST
Inp	945.00		NIST
Inp	903.40		NIST
Inp	932.00		NIST
Inp	928.00		NIST
Inp	918.00		NIST
Inp	916.00		NIST
Inp	903.90		NIST
Inp	917.00		NIST
Inp	916.00		NIST
Inp	916.00		NIST
Inp	932.00		NIST
Inp	925.00		NIST
Inp	930.00		NIST
Inp	941.30		NIST
Inp	945.00		NIST
Inp	932.00		NIST
Inp	933.00		NIST
Inp	920.00		NIST
Inp	908.00		NIST
Inp	Outlier 145.96		NIST
I	[1317.00; 1387.00]
I	1340.00		NIST
I	1322.00		NIST
I	1387.00		NIST
I	1383.00		NIST
I	1378.00		NIST
I	1382.00		NIST
I	1382.00		NIST
I	1342.00		NIST
I	1345.00		NIST
I	1339.00		NIST
I	1325.00		NIST
I	1334.00		NIST
I	1317.00		NIST
I	1324.00		NIST
I	1338.00		NIST
I	1333.00		NIST
I	1334.00		NIST
I	1334.00		NIST
I	1336.00		NIST
I	1336.00		NIST
I	1317.00		NIST
S°liquid	248.50	J/mol×K	NIST
Tboil	431.60	K	KDB
Tc	[647.00; 647.15]	K
Tc	647.00	K	KDB
Tc	647.00	K	NIST
Tc	647.15 ± 1.50	K	NIST
Tfus	[205.20; 209.41]	K
Tfus	209.15	K	KDB
Tfus	209.41	K	NIST
Tfus	205.20 ± 1.00	K	NIST
Tfus	205.25 ± 0.50	K	NIST
Tfus	209.19 ± 0.03	K	NIST
Ttriple	209.35 ± 0.01	K	NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	184.76	J/mol×K	298.15	NIST
ΔfusH	[8.82; 8.82]	kJ/mol	[209.40; 209.40]
ΔfusH	8.82	kJ/mol	209.40	NIST
ΔfusH	8.82	kJ/mol	209.40	NIST
ΔvapH	[37.00; 47.50]	kJ/mol	[312.50; 431.60]
ΔvapH	47.50	kJ/mol	312.50	NIST
ΔvapH	46.50	kJ/mol	313.00	NIST
ΔvapH	45.50	kJ/mol	330.50	NIST
ΔvapH	44.60	kJ/mol	343.00	NIST
ΔvapH	47.10	kJ/mol	364.50	NIST
ΔvapH	43.90	kJ/mol	368.00	NIST
ΔvapH	43.50	kJ/mol	391.00	NIST
ΔvapH	44.80	kJ/mol	402.00	NIST
ΔvapH	42.30	kJ/mol	402.00	NIST
ΔvapH	39.80	kJ/mol	402.00	NIST
ΔvapH	37.00	kJ/mol	402.00	NIST
ΔvapH	38.53	kJ/mol	431.60	NIST
ρl	949.00	kg/m3	273.00	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.63]	kPa	[320.24; 458.16]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.47499e+01
Coefficient B			-3.74747e+03
Coefficient C			-6.11210e+01
Temperature range, min.			320.24
Temperature range, max.			458.16
Pvap	1.33	kPa	320.24	Calculated Property
Pvap	2.99	kPa	335.56	Calculated Property
Pvap	6.16	kPa	350.89	Calculated Property
Pvap	11.79	kPa	366.21	Calculated Property
Pvap	21.21	kPa	381.54	Calculated Property
Pvap	36.17	kPa	396.86	Calculated Property
Pvap	58.87	kPa	412.19	Calculated Property
Pvap	92.01	kPa	427.51	Calculated Property
Pvap	138.72	kPa	442.84	Calculated Property
Pvap	202.63	kPa	458.16	Calculated Property
Pvap	[69.83; 119.63]	kPa	[418.00; 438.00]	KDB Vap...
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			9.42387e-01
Coefficient B			-4.91659e+03
Coefficient C			2.70817e+00
Coefficient D			-7.32161e-06
Temperature range, min.			418.00
Temperature range, max.			438.00
Pvap	69.83	kPa	418.00	Calculated Property
Pvap	74.37	kPa	420.22	Calculated Property
Pvap	79.13	kPa	422.44	Calculated Property
Pvap	84.14	kPa	424.67	Calculated Property
Pvap	89.39	kPa	426.89	Calculated Property
Pvap	94.89	kPa	429.11	Calculated Property
Pvap	100.66	kPa	431.33	Calculated Property
Pvap	106.70	kPa	433.56	Calculated Property
Pvap	113.02	kPa	435.78	Calculated Property
Pvap	119.63	kPa	438.00	Calculated Property

Similar Compounds

Find more compounds similar to Pyridine, 2,4-dimethyl-.

Sources

• KDB Vapor Pressure Data
• Crippen Method
• KDB
• Aqueous Solubility Prediction Method
• Estimated Solubility Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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