Chemical Properties of Ammonia (CAS 7664-41-7)

InChI

InChI=1S/H3N/h1H3

InChI Key

QGZKDVFQNNGYKY-UHFFFAOYSA-N

Formula

H3N

SMILES

N

Molecular Weight¹

17.03

CAS

7664-41-7

Other Names

• Ammonia gas
• Ammonia, anhydrous
• Anhydrous ammonia
• Aromatic Ammonia, Vaporole
• NH3
• Nitro-Sil
• Spirit of Hartshorn

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• T_ig : Autoignition Temperature (K).
• BasG : Gas basicity (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• η : Dynamic viscosity (Pa×s).
• LFL : Lower Flammability Limit (% in Air).
• UFL : Upper Flammability Limit (% in Air).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• R_g : Radius of Gyration.
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (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).
• ν : Kinematic viscosity (m²/s).
• 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_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_c : Critical density (kg/m³).
• ρ_g : Gas Density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• S°_{gas,1 bar} : Molar entropy at standard conditions (1 bar) (J/mol×K).
• c_sound,fluid : Speed of sound in fluid (m/s).
• γ : Surface Tension (N/m).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• λ : Gas thermal conductivity (W/m×K).
• λ : Liquid thermal conductivity (W/m×K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• U_Qi : UNIQUAC Qi Parameter.
• U_Ri : UNIQUAC Ri Parameter.
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Contents

1. Physical Properties
2. Temperature Dependent Properties
3. Datasets
4. Correlations
5. Similar Compounds
6. Mixtures
7. Sources

Physical Properties

Property	Value	Unit	Source
ω	[0.2500; 0.2560]
ω	0.2560		ChemSep v8.3 pure component data
ω	0.2500		KDB
PAff	853.60	kJ/mol	NIST
Tig	924.26	K	KDB
BasG	819.00	kJ/mol	NIST
μ	[1.47; 1.50]	debye
μ	1.47	debye	ChemSep v8.3 pure component data
μ	1.50	debye	KDB
LFL	15.50	% in Air	KDB
UFL	27.00	% in Air	KDB
ΔfG°	[-16.40; -16.16]	kJ/mol
ΔfG°	-16.40	kJ/mol	ChemSep v8.3 pure component data
ΔfG°	-16.16	kJ/mol	KDB
Rg	0.8530		KDB
ΔfH°gas	[-45.94; -45.72]	kJ/mol
ΔfH°gas	-45.90	kJ/mol	ChemSep v8.3 pure component data
ΔfH°gas	-45.72	kJ/mol	KDB
ΔfH°gas	-45.94 ± 0.35	kJ/mol	NIST
IE	[10.02; 15.02]	eV
IE	10.07 ± 0.02	eV	NIST
IE	10.02	eV	NIST
IE	10.07 ± 0.01	eV	NIST
IE	10.19	eV	NIST
IE	10.07 ± 0.00	eV	NIST
IE	10.07 ± 0.01	eV	NIST
IE	10.30 ± 0.00	eV	NIST
IE	10.45	eV	NIST
IE	10.20	eV	NIST
IE	10.18 ± 0.09	eV	NIST
IE	10.20	eV	NIST
IE	10.15	eV	NIST
IE	10.18 ± 0.01	eV	NIST
IE	Outlier 14.94 ± 0.03	eV	NIST
IE	10.14	eV	NIST
IE	Outlier 14.92	eV	NIST
IE	10.16 ± 0.02	eV	NIST
IE	10.17	eV	NIST
IE	10.16 ± 0.01	eV	NIST
IE	10.17	eV	NIST
IE	10.16	eV	NIST
IE	Outlier 15.02	eV	NIST
IE	10.15 ± 0.01	eV	NIST
IE	10.82	eV	NIST
IE	10.80	eV	NIST
IE	10.85	eV	NIST
IE	11.30	eV	NIST
IE	10.85	eV	NIST
logPoct/wat	0.162		Crippen Calculated Property
McVol	20.840	ml/mol	McGowan Calculated Property
NFPA Fire	1		KDB
NFPA Health	3		KDB
Pc	[11300.00; 11353.00]	kPa
Pc	11353.00	kPa	ChemSep v8.3 pure component data
Pc	11330.00	kPa	Air Liquide Gas Encyclopedia
Pc	11350.00	kPa	KDB
Pc	11300.00 ± 5.00	kPa	NIST
Ptriple	[6.06; 6.11]	kPa
Ptriple	6.11	kPa	ChemSep v8.3 pure component data
Ptriple	6.11	kPa	Air Liquide Gas Encyclopedia
Ptriple	6.08	kPa	KDB
Ptriple	6.06 ± 0.01	kPa	NIST
ρc	225.00	kg/m3	Air Liquide Gas Encyclopedia
Inp	[118.00; 131.00]
Inp	118.00		NIST
Inp	131.00		NIST
S°gas,1 bar	192.77 ± 0.05	J/mol×K	NIST
Tboil	[239.82; 239.82]	K
Tboil	239.82	K	ChemSep v8.3 pure component data
Tboil	239.82	K	Air Liquide Gas Encyclopedia
Tboil	239.82	K	KDB
Tc	[405.40; 405.60]	K
Tc	405.56	K	Critical parameters for ammonia
Tc	405.40	K	ChemSep v8.3 pure component data
Tc	405.40	K	Air Liquide Gas Encyclopedia
Tc	405.50	K	KDB
Tc	405.40 ± 0.10	K	NIST
Tc	405.60 ± 5.00	K	NIST
Tfus	[194.95; 195.41]	K
Tfus	195.41	K	ChemSep v8.3 pure component data
Tfus	195.41	K	Air Liquide Gas Encyclopedia
Tfus	195.41	K	KDB
Tfus	194.95 ± 0.30	K	NIST
Ttriple	[195.41; 195.49]	K
Ttriple	195.41	K	ChemSep v8.3 pure component data
Ttriple	195.49	K	Air Liquide Gas Encyclopedia
Ttriple	195.41	K	KDB
UQi	0.98		ChemSep v8.3 pure component data
URi	0.91		ChemSep v8.3 pure component data
Vc	[0.072; 0.072]	m3/kmol
Vc	0.072	m3/kmol	ChemSep v8.3 pure component data
Vc	0.072	m3/kmol	KDB
Zc	[0.2423820; 0.2550000]
Zc	0.2550000		ChemSep v8.3 pure component data
Zc	0.2423820		KDB
Zra	0.25		KDB

Cheméo can also estimate Enthalpy of vaporization at standard conditions, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[82.46; 89.36]	J/mol×K	[304.17; 334.09]
Cp,liquid	82.46	J/mol×K	304.17	Densities, Viscosities, Heat Capacities, and Vapor Liquid Equilibria of Ammonia + Sodium Thiocyanate Solutions at Several Temperatures
Cp,liquid	83.45	J/mol×K	314.14	Densities, Viscosities, Heat Capacities, and Vapor Liquid Equilibria of Ammonia + Sodium Thiocyanate Solutions at Several Temperatures
Cp,liquid	85.83	J/mol×K	324.11	Densities, Viscosities, Heat Capacities, and Vapor Liquid Equilibria of Ammonia + Sodium Thiocyanate Solutions at Several Temperatures
Cp,liquid	89.36	J/mol×K	334.09	Densities, Viscosities, Heat Capacities, and Vapor Liquid Equilibria of Ammonia + Sodium Thiocyanate Solutions at Several Temperatures
ΔfusH	5.66	kJ/mol	195.41	Air Liquide Gas Encyclopedia
ΔsubH	31.20	kJ/mol	186.00	NIST
ΔvapH	[22.70; 23.50]	kJ/mol	[220.00; 342.50]
ΔvapH	23.50	kJ/mol	220.00	NIST
ΔvapH	23.40	kJ/mol	239.00	NIST
ΔvapH	23.32	kJ/mol	239.82	Air Liquide Gas Encyclopedia
ΔvapH	22.70	kJ/mol	342.50	NIST
Pvap	[119.70; 6243.00]	kPa	[243.15; 373.16]
Pvap	119.70	kPa	243.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	151.70	kPa	248.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	190.20	kPa	253.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	236.40	kPa	258.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	290.70	kPa	263.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	354.80	kPa	268.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	429.30	kPa	273.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	515.50	kPa	278.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	615.10	kPa	283.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	728.50	kPa	288.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	857.10	kPa	293.15	The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
Pvap	1166.00	kPa	303.12	Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
Pvap	1553.00	kPa	313.14	Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
Pvap	2030.00	kPa	323.16	Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
Pvap	2609.00	kPa	333.13	Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
Pvap	3305.00	kPa	343.13	Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
Pvap	4132.00	kPa	353.13	Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
Pvap	5105.00	kPa	363.12	Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
Pvap	6243.00	kPa	373.16	Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
ρg	[0.73; 0.89]	kg/m3	[239.82; 288.15]
ρg	0.89	kg/m3	239.82	Air Liquide Gas Encyclopedia
ρg	0.73	kg/m3	288.15	Air Liquide Gas Encyclopedia
ρl	[639.00; 681.97]	kg/m3	[239.82; 273.00]
ρl	681.97	kg/m3	239.82	Air Liquide Gas Encyclopedia
ρl	639.00	kg/m3	273.00	KDB

Datasets

1. Molar heat capacity at constant pressure, J/K/mol (1)
2. Kinematic viscosity, m2/s (1)
3. Mass density, kg/m3 (1)
4. Speed of sound, m/s (1)

Molar heat capacity at constant pressure, J/K/mol

Fixed		Measured
Pressure, kPa - Liquid	Temperature, K - Liquid	Molar heat capacity at constant pressure, J/K/mol - Liquid
1000.00	280.00	76.81
5000.00	280.00	75.62
5000.00	300.00	76.81
5000.00	320.00	77.83
5000.00	360.00	95.20
10000.00	360.00	92.82
15000.00	360.00	90.26
Reference

Kinematic viscosity, m2/s

Fixed		Measured
Temperature, K - Gas	Pressure, kPa - Gas	Kinematic viscosity, m2/s - Gas
300.00	223.53	6.4750e-06
300.00	259.87	5.4700e-06
300.00	329.51	4.3200e-06
300.00	361.99	3.9500e-06
300.00	447.86	3.1370e-06
300.00	465.77	3.0190e-06
300.00	568.68	2.4461e-06
300.00	569.79	2.4530e-06
300.00	676.75	2.0302e-06
300.00	692.80	1.9770e-06
300.00	802.37	1.7130e-06
300.00	802.82	1.6954e-06
315.00	250.83	6.4090e-06
315.00	378.83	4.1930e-06
315.00	506.43	3.0826e-06
315.00	661.04	2.3351e-06
315.00	791.02	1.9168e-06
315.00	938.74	1.5933e-06
315.00	1080.91	1.3636e-06
315.00	1284.99	1.1321e-06
330.00	308.27	5.7660e-06
330.00	473.84	3.6850e-06
330.00	664.29	2.5831e-06
330.00	822.59	2.0604e-06
330.00	977.41	1.7093e-06
330.00	1142.12	1.4396e-06
330.00	1294.82	1.2526e-06
330.00	1480.49	1.0768e-06
330.00	1640.80	9.5720e-07
330.00	1792.05	8.6590e-07
330.00	1945.84	7.9070e-07
345.00	297.74	6.4990e-06
345.00	504.54	3.7840e-06
345.00	708.88	2.6651e-06
345.00	914.14	2.0446e-06
345.00	1123.20	1.6371e-06
345.00	1332.13	1.3587e-06
345.00	1537.04	1.1587e-06
345.00	1744.59	1.0035e-06
345.00	1955.14	8.7950e-07
345.00	2315.57	7.2120e-07
345.00	2530.02	6.4960e-07
345.00	2769.00	5.8360e-07
360.00	242.70	8.7370e-06
360.00	453.28	4.6810e-06
360.00	661.35	3.1640e-06
360.00	865.15	2.3862e-06
360.00	1069.66	1.9034e-06
360.00	1277.79	1.5735e-06
360.00	1481.15	1.3395e-06
360.00	1690.65	1.1597e-06
360.00	1894.78	1.0216e-06
360.00	2277.38	8.2770e-07
360.00	2480.70	7.4880e-07
360.00	2738.78	6.6620e-07
360.00	3050.47	5.8500e-07
360.00	3365.40	5.1890e-07
375.00	260.57	0.0000
375.00	483.31	4.9000e-06
375.00	684.74	3.4200e-06
375.00	897.66	2.5680e-06
375.00	1130.68	1.9560e-06
375.00	1341.71	1.6340e-06
375.00	1583.75	1.3698e-06
375.00	1793.43	1.2003e-06
375.00	2026.26	1.0365e-06
375.00	2290.42	9.1170e-07
375.00	2599.92	7.9380e-07
375.00	2933.13	6.8980e-07
375.00	3140.48	6.3810e-07
375.00	3379.20	5.8760e-07
Reference

Mass density, kg/m3

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass density, kg/m3 - Liquid
450.00	30000.00	355.3
450.00	40000.00	403.7
450.00	50000.00	433.4
450.00	60000.00	455.2
450.00	70000.00	472.6
450.00	80000.00	487.4
450.00	90000.00	500.2
450.00	100000.00	511.7
450.00	120000.00	531.4
450.00	140000.00	548.2
450.00	160000.00	563.1
450.00	180000.00	576.3
450.00	200000.00	588.2
500.00	50000.00	350.9
500.00	60000.00	384.9
500.00	70000.00	410.1
500.00	80000.00	430.2
500.00	90000.00	446.9
500.00	100000.00	461.5
500.00	120000.00	485.8
500.00	140000.00	505.9
500.00	160000.00	523.1
500.00	180000.00	538.3
500.00	200000.00	551.9
Reference

Speed of sound, m/s

Fixed		Measured
Temperature, K - Fluid (supercritical or subcritical phases)	Pressure, kPa - Fluid (supercritical or subcritical phases)	Speed of sound, m/s - Fluid (supercritical or subcritical phases)
297.00	620000.00	2741.0
297.00	700000.00	2836.0
297.00	780000.00	2942.0
297.00	880000.00	3023.0
297.00	970000.00	3113.0
297.00	780000.00	2932.0
298.00	370000.00	2376.0
298.00	740000.00	2903.0
474.00	1430000.00	3280.0
476.00	1550000.00	3375.0
476.00	2200000.00	3788.0
477.00	1090000.00	2954.0
479.00	2220000.00	3797.0
678.00	2920000.00	4000.0
678.00	3080000.00	4072.0
678.00	3140000.00	4103.0
679.00	1480000.00	3084.0
679.00	2440000.00	3740.0
679.00	3750000.00	4342.0
680.00	1350000.00	2982.0
680.00	1350000.00	2970.0
Reference

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[33.24; 66.59]	J/mol×K	[100.00; 1500.00]	ChemSep v8.3 pure component data
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,gas in J/mol×K, T in K
Coefficient A			3.32390e+01
Coefficient B			-9.13640e+02
Coefficient C			3.89424e+00
Coefficient D			2.10470e-04
Coefficient E			-4.17390e-08
Comment			ChemSep eq 16, IdealGasHeatCapacityCp
Temperature range, min.			100.00
Temperature range, max.			1500.00
Cp,gas	33.24	J/mol×K	100.00	Calculated Property
Cp,gas	34.69	J/mol×K	255.56	Calculated Property
Cp,gas	39.00	J/mol×K	411.11	Calculated Property
Cp,gas	44.13	J/mol×K	566.67	Calculated Property
Cp,gas	49.03	J/mol×K	722.22	Calculated Property
Cp,gas	53.44	J/mol×K	877.78	Calculated Property
Cp,gas	57.36	J/mol×K	1033.33	Calculated Property
Cp,gas	60.82	J/mol×K	1188.89	Calculated Property
Cp,gas	63.88	J/mol×K	1344.44	Calculated Property
Cp,gas	66.59	J/mol×K	1500.00	Calculated Property
Cp,gas	[35.64; 64.91]	J/mol×K	[298.00; 1400.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K
Coefficient A			1.99956e+01
Coefficient B			4.97712e+01
Coefficient C			-1.53760e+01
Coefficient D			1.92117e+00
Coefficient E			1.89174e-01
Reference			Chase, 1998
Comment			F=-53.30667, G=203.8591, H=-45.89806; Data last reviewed in June, 1977
Temperature range, min.			298.00
Temperature range, max.			1400.00
Cp,gas	35.64	J/mol×K	298.00	Calculated Property
Cp,gas	39.42	J/mol×K	420.44	Calculated Property
Cp,gas	43.43	J/mol×K	542.89	Calculated Property
Cp,gas	47.30	J/mol×K	665.33	Calculated Property
Cp,gas	50.91	J/mol×K	787.78	Calculated Property
Cp,gas	54.24	J/mol×K	910.22	Calculated Property
Cp,gas	57.29	J/mol×K	1032.67	Calculated Property
Cp,gas	60.07	J/mol×K	1155.11	Calculated Property
Cp,gas	62.61	J/mol×K	1277.56	Calculated Property
Cp,gas	64.91	J/mol×K	1400.00	Calculated Property
Cp,gas	[64.85; 80.75]	J/mol×K	[1400.00; 6000.00]	NIST
Equation			Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K
Coefficient A			5.20243e+01
Coefficient B			1.84880e+01
Coefficient C			-3.76513e+00
Coefficient D			2.48541e-01
Coefficient E			-1.24580e+01
Reference			Chase, 1998
Comment			F=-85.53895, G=223.8022, H=-45.89806; Data last reviewed in June, 1977
Temperature range, min.			1400.00
Temperature range, max.			6000.00
Cp,gas	64.85	J/mol×K	1400.00	Calculated Property
Cp,gas	71.93	J/mol×K	1911.11	Calculated Property
Cp,gas	76.12	J/mol×K	2422.22	Calculated Property
Cp,gas	78.68	J/mol×K	2933.33	Calculated Property
Cp,gas	80.14	J/mol×K	3444.44	Calculated Property
Cp,gas	80.83	J/mol×K	3955.56	Calculated Property
Cp,gas	81.01	J/mol×K	4466.67	Calculated Property
Cp,gas	80.91	J/mol×K	4977.78	Calculated Property
Cp,gas	80.75	J/mol×K	5488.89	Calculated Property
Cp,gas	80.75	J/mol×K	6000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[77.66; 434.13]	J/mol×K	[195.45; 401.15]	ChemSep v8.3 pure component data
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,liquid in J/mol×K, T in K
Coefficient A			7.76590e+01
Coefficient B			-4.53300e+04
Coefficient C			4.38832e+02
Coefficient D			-1.41970e+00
Coefficient E			1.55080e-03
Comment			ChemSep eq 16, LiquidHeatCapacityCp
Temperature range, min.			195.45
Temperature range, max.			401.15
Cp,liquid	77.66	J/mol×K	195.45	Calculated Property
Cp,liquid	77.67	J/mol×K	218.31	Calculated Property
Cp,liquid	77.93	J/mol×K	241.16	Calculated Property
Cp,liquid	79.17	J/mol×K	264.02	Calculated Property
Cp,liquid	80.88	J/mol×K	286.87	Calculated Property
Cp,liquid	82.27	J/mol×K	309.73	Calculated Property
Cp,liquid	84.37	J/mol×K	332.58	Calculated Property
Cp,liquid	91.21	J/mol×K	355.44	Calculated Property
Cp,liquid	125.61	J/mol×K	378.29	Calculated Property
Cp,liquid	434.13	J/mol×K	401.15	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0005261; 0.0000489]	Pa×s	[195.41; 398.15]	ChemSep v8.3 pure component data
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-3.97420e+01
Coefficient B			1.48650e+03
Coefficient C			4.77490e+00
Coefficient D			-1.57960e-05
Coefficient E			2.00000e+00
Comment			ChemSep eq 101, LiquidViscosity
Temperature range, min.			195.41
Temperature range, max.			398.15
η	0.0005261	Pa×s	195.41	Calculated Property
η	0.0003483	Pa×s	217.94	Calculated Property
η	0.0002498	Pa×s	240.46	Calculated Property
η	0.0001886	Pa×s	262.99	Calculated Property
η	0.0001471	Pa×s	285.52	Calculated Property
η	0.0001169	Pa×s	308.04	Calculated Property
η	0.0000939	Pa×s	330.57	Calculated Property
η	0.0000757	Pa×s	353.10	Calculated Property
η	0.0000610	Pa×s	375.62	Calculated Property
η	0.0000489	Pa×s	398.15	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[25.29; 4.31]	kJ/mol	[195.41; 403.15]	ChemSep v8.3 pure component data
Equation			Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K
Coefficient A			2.45420e+01
Coefficient B			-1.31780e+00
Coefficient C			4.71940e+00
Coefficient D			-5.48080e+00
Coefficient E			2.41960e+00
Critical temperature, Tc (K)			4.05400e+02
Comment			ChemSep eq 106, HeatOfVaporization
Temperature range, min.			195.41
Temperature range, max.			403.15
ΔvapH	25.29	kJ/mol	195.41	Calculated Property
ΔvapH	24.31	kJ/mol	218.49	Calculated Property
ΔvapH	23.24	kJ/mol	241.57	Calculated Property
ΔvapH	22.07	kJ/mol	264.66	Calculated Property
ΔvapH	20.74	kJ/mol	287.74	Calculated Property
ΔvapH	19.18	kJ/mol	310.82	Calculated Property
ΔvapH	17.25	kJ/mol	333.90	Calculated Property
ΔvapH	14.73	kJ/mol	356.99	Calculated Property
ΔvapH	11.19	kJ/mol	380.07	Calculated Property
ΔvapH	4.31	kJ/mol	403.15	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[6.12; 11318.57]	kPa	[195.41; 405.65]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.54557e+01
Coefficient B			-2.33432e+03
Coefficient C			-2.43200e+01
Temperature range, min.			195.41
Temperature range, max.			405.65
Pvap	6.12	kPa	195.41	Calculated Property
Pvap	31.53	kPa	218.77	Calculated Property
Pvap	114.26	kPa	242.13	Calculated Property
Pvap	322.65	kPa	265.49	Calculated Property
Pvap	758.48	kPa	288.85	Calculated Property
Pvap	1552.08	kPa	312.21	Calculated Property
Pvap	2852.35	kPa	335.57	Calculated Property
Pvap	4814.96	kPa	358.93	Calculated Property
Pvap	7591.08	kPa	382.29	Calculated Property
Pvap	11318.57	kPa	405.65	Calculated Property
Pvap	[4.38; 11403.63]	kPa	[191.24; 406.05]	ChemSep v8.3 pure component data
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K
Coefficient A			5.59771e+01
Coefficient B			-4.13686e+03
Coefficient C			-6.32066e+00
Coefficient D			9.20395e-06
Coefficient E			2.00000e+00
Comment			ChemSep eq 101, VaporPressure
Temperature range, min.			191.24
Temperature range, max.			406.05
Pvap	4.38	kPa	191.24	Calculated Property
Pvap	25.09	kPa	215.11	Calculated Property
Pvap	97.29	kPa	238.98	Calculated Property
Pvap	286.63	kPa	262.84	Calculated Property
Pvap	692.11	kPa	286.71	Calculated Property
Pvap	1442.85	kPa	310.58	Calculated Property
Pvap	2693.68	kPa	334.45	Calculated Property
Pvap	4624.28	kPa	358.31	Calculated Property
Pvap	7444.05	kPa	382.18	Calculated Property
Pvap	11403.63	kPa	406.05	Calculated Property
Pvap	[0.13; 99.33]	kPa	[164.00; 239.60]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.19448e+01
Coefficient B			-1.16675e+03
Coefficient C			-8.07800e+01
Reference			Stull, 1947
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			164.00
Temperature range, max.			239.60
Pvap	0.13	kPa	164.00	Calculated Property
Pvap	0.45	kPa	172.40	Calculated Property
Pvap	1.32	kPa	180.80	Calculated Property
Pvap	3.27	kPa	189.20	Calculated Property
Pvap	7.08	kPa	197.60	Calculated Property
Pvap	13.84	kPa	206.00	Calculated Property
Pvap	24.85	kPa	214.40	Calculated Property
Pvap	41.66	kPa	222.80	Calculated Property
Pvap	65.90	kPa	231.20	Calculated Property
Pvap	99.33	kPa	239.60	Calculated Property
Pvap	[102.00; 6080.85]	kPa	[239.60; 371.50]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.58161e+01
Coefficient B			-2.56491e+03
Coefficient C			-1.04090e+01
Reference			Stull, 1947
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			239.60
Temperature range, max.			371.50
Pvap	102.00	kPa	239.60	Calculated Property
Pvap	199.85	kPa	254.26	Calculated Property
Pvap	362.82	kPa	268.91	Calculated Property
Pvap	617.86	kPa	283.57	Calculated Property
Pvap	996.65	kPa	298.22	Calculated Property
Pvap	1534.88	kPa	312.88	Calculated Property
Pvap	2271.27	kPa	327.53	Calculated Property
Pvap	3246.60	kPa	342.19	Calculated Property
Pvap	4502.58	kPa	356.84	Calculated Property
Pvap	6080.85	kPa	371.50	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[735.72; 289.26]	kg/m3	[195.00; 405.15]	ChemSep v8.3 pure component data
Equation			Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K
Coefficient A			6.90043e+01
Coefficient B			2.71290e-01
Coefficient C			4.05400e+02
Coefficient D			3.13490e-01
Comment			ChemSep eq 105, LiquidDensity
Temperature range, min.			195.00
Temperature range, max.			405.15
ρl	735.72	kg/m3	195.00	Calculated Property
ρl	707.97	kg/m3	218.35	Calculated Property
ρl	678.91	kg/m3	241.70	Calculated Property
ρl	648.23	kg/m3	265.05	Calculated Property
ρl	615.46	kg/m3	288.40	Calculated Property
ρl	579.88	kg/m3	311.75	Calculated Property
ρl	540.21	kg/m3	335.10	Calculated Property
ρl	493.94	kg/m3	358.45	Calculated Property
ρl	434.28	kg/m3	381.80	Calculated Property
ρl	289.26	kg/m3	405.15	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.04; 4.57e-06]	N/m	[195.41; 403.45]	ChemSep v8.3 pure component data
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is γ in N/m, T in K
Coefficient A			-1.19500e-02
Coefficient B			2.09990e+02
Coefficient C			-5.18130e+00
Coefficient D			1.17620e-02
Coefficient E			-2.77150e-05
Comment			ChemSep eq 16, SurfaceTension, ChemSep Tmax 405.55 K
Temperature range, min.			195.41
Temperature range, max.			403.45
γ	0.04	N/m	195.41	Calculated Property
γ	0.04	N/m	218.53	Calculated Property
γ	0.03	N/m	241.64	Calculated Property
γ	0.03	N/m	264.76	Calculated Property
γ	0.02	N/m	287.87	Calculated Property
γ	0.02	N/m	310.99	Calculated Property
γ	0.01	N/m	334.10	Calculated Property
γ	0.01	N/m	357.22	Calculated Property
γ	0.00	N/m	380.33	Calculated Property
γ	4.57e-06	N/m	403.45	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λ	[0.01; 0.12]	W/m×K	[200.00; 900.00]	ChemSep v8.3 pure component data
Equation			Y = A·T^B / (1 + C/T + D/T²) Y is λ in W/m×K, T in K
Coefficient A			1.61650e-05
Coefficient B			1.31460e+00
Coefficient C			7.51680e+01
Coefficient D			-8.20210e+03
Comment			ChemSep eq 102, VaporThermalConductivity
Temperature range, min.			200.00
Temperature range, max.			900.00
λ	0.01	W/m×K	200.00	Calculated Property
λ	0.02	W/m×K	277.78	Calculated Property
λ	0.03	W/m×K	355.56	Calculated Property
λ	0.04	W/m×K	433.33	Calculated Property
λ	0.05	W/m×K	511.11	Calculated Property
λ	0.06	W/m×K	588.89	Calculated Property
λ	0.08	W/m×K	666.67	Calculated Property
λ	0.09	W/m×K	744.44	Calculated Property
λ	0.10	W/m×K	822.22	Calculated Property
λ	0.12	W/m×K	900.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λ	[0.72; 0.24]	W/m×K	[195.41; 400.05]	ChemSep v8.3 pure component data
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is λ in W/m×K, T in K
Coefficient A			-9.53090e-01
Coefficient B			1.46840e+01
Coefficient C			5.67680e-01
Coefficient D			-2.89680e-04
Coefficient E			-1.92380e-06
Comment			ChemSep eq 16, LiquidThermalConductivity
Temperature range, min.			195.41
Temperature range, max.			400.05
λ	0.72	W/m×K	195.41	Calculated Property
λ	0.66	W/m×K	218.15	Calculated Property
λ	0.61	W/m×K	240.89	Calculated Property
λ	0.56	W/m×K	263.62	Calculated Property
λ	0.51	W/m×K	286.36	Calculated Property
λ	0.45	W/m×K	309.10	Calculated Property
λ	0.40	W/m×K	331.84	Calculated Property
λ	0.35	W/m×K	354.57	Calculated Property
λ	0.30	W/m×K	377.31	Calculated Property
λ	0.24	W/m×K	400.05	Calculated Property

Similar Compounds

Find more compounds similar to Ammonia.

Mixtures

• Ammonia + Water
• Ammonia + Sodium thiocyanate
• Ammonia + Choline chloride + Urea
• Ammonia + Carbon dioxide + Water
• Ammonia + Ethanol
• Ammonia + Methyl Alcohol + Water
• Nitrogen + Ammonia
• Ammonia + Oxygen
• Ammonia + Methane
• Ammonia + Ethane
• Propane + Ammonia
• Ammonia + Butane
• Ammonia + Isobutane
• Ammonia + Propene
• Ammonia + Carbon monoxide
• Ammonia + Norflurane
• Piperazine + Ammonia + Water
• Ammonia + Choline chloride + Glycerin
• Ammonia + Choline chloride + 1,2-Ethanediol
• Ammonia + Choline chloride + Urea, methyl-

Find more mixtures with Ammonia.

Sources

• Air Liquide Gas Encyclopedia
• ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
• Crippen Method
• Crippen Method
• An Experimental Study of the pVTx Properties for Aqueous Solutions of Ammonia Focusing on the Maximum Density Region1
• Experimental Study of the Critical Behavior of the Isochoric Heat Capacity of Aqueous Ammonia Mixture
• Binary Diffusion Coefficient Data of Various Gas Systems Determined Using a Loschmidt Cell and Holographic Interferometry
• Solubility of ammonia in liquid mixtures of (water + methanol)
• Internal pressure measurements of the binary 0.7393H2O+ 0.2607NH3 mixture near the critical and maxcondetherm points
• Solubilities of ammonia in basic imidazolium ionic liquids
• The Solubility of ammonia in ethanol between 277.35 K and 328.15 K
• Vapor-liquid equilibria of NH3 in (NH3 + H2O) and (NH3 + PZ + H2O) system
• New device for measuring the solubility of inorganic salts in liquid ammonia
• Investigation on vapor liquid equilibria for binary systems of metal ion-containing ionic liquid [bmim]Zn2Cl5/NH3 by experiment and modified UNIFAC model
• Solubility of ammonium chloride in a MgCl2-NH4Cl-NH3-H2O system at 298 K: Experiments, modeling and prediction
• Vapor liquid equilibrium of CO2 in NH3 CO2 SO2 H2O system
• Effects of association with impurities in ammonia purification
• Vapour pressure measurements of ammonia/ionic liquids mixtures as suitable alternative working fluids for absorption refrigeration technology
• Critical parameters for ammonia
• Isobaric specific heat capacity of {xH2O + (1 x)NH3} with x = (0.0000, 0.1566, 0.1597, 0.3030, 0.3048, 0.4956, 0.7061, and 0.8489) at T = (280, 300, 320, and 360) K over the pressure range from (0.1 to 15) MPa
• Kinematic viscosity and speed of sound in gaseous CO, CO2, SiF4, SF6, C4F8, and NH3 from 220 K to 375 K and pressures up to 3.4 MPa
• Measurements of the critical parameters for {xNH3 + (1 x)H2O} with x = (0.9098, 0.7757,0.6808)
• The (p,q,T,x) properties for {xNH3 + (1 x)H2O} at T = (450 and 500) K over the pressure range from (10 to 200) MPa
• The investigation on the vapour liquid phase equilibrium of (ammonia + 1,1,1,2-tetrafluoroethane) system over the temperatures ranging from (243.150 to 283.150) K
• The experimental investigation of the vapour liquid phase equilibrium for (ammonia + 2,3,3,3-tetrafluoroprop-1-ene) system
• Solubilities of ammonia in choline chloride plus urea at (298.2-353.2) K and (0-300) kPa
• Solubility and thermodynamic properties of NH3 in choline chloride-based deep eutectic solvents
• Densities and viscosities of, and NH3 solubilities in deep eutectic solvents composed of ethylamine hydrochloride and acetamide
• Evaluation of Methanesulfonate-Based Deep Eutectic Solvent for Ammonia Sorption
• Investigation of Thermodynamic Properties on CO2 Absorbents Blended with Ammonia, Amino Acids, and Corrosion Inhibitors at 313.15, 333.15, and 353.15 K
• Solubilities and Thermodynamic Properties of NH3 in Glycerin and its Derivatives
• NH3 Solubilities and Physical Properties of Ethylamine Hydrochloride Plus Urea Deep Eutectic Solvents
• Vapor-Liquid Equilibria of Ammonia + Water + Potassium Hydroxide and Ammonia + Water + Sodium Hydroxide Solutions at Temperatures from (293.15 to 353.15) K
• Densities and Heat Capacities of the Ammonia + Water + NaOH and Ammonia + Water + KOH Solutions
• Densities, Viscosities, Heat Capacities, and Vapor Liquid Equilibria of Ammonia + Sodium Thiocyanate Solutions at Several Temperatures
• Solubility of N2O in and Density and Viscosity of Aqueous Solutions of Piperazine, Ammonia, and Their Mixtures from (283.15 to 323.15) K
• Vapor Liquid Equilibrium Measurements of NH3 + H2O + Ionic Liquid ([Dmim]Cl, [Dmim]BF4, and [Dmim]DMP) Systems
• Vapor-Liquid Equilibrium of Ammonia + Lithium Nitrate + Water and Ammonia + Lithium Nitrate Solutions from (293.15 to 353.15) K
• Experimental Investigation of the Solubility of Ammonia in Methanol
• Vapor Pressures and Liquid Densities of Ammonium Chloride + Ammonia Mixtures
• Densities, Viscosities, and Heat Capacities of Ammonia + Lithium Nitrate and Ammonia + Lithium Nitrate + Water Solutions between (293.15 and 353.15) K
• Speeds of Sound in Fluid Ammonia to 3.8 GPa and 680 K
• Vapor Pressures and Liquid Densities of Ammonium Bromide + Ammonia Mixtures
• Vapor Pressures and Liquid Densities of Ammonium Iodide + Ammonia Mixtures
• Solid-Liquid Phase Diagram for the System MgCl2-NH3-CH3OH at 298 K
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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