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

Ammonia

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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

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 KDB
PAff 853.60 kJ/mol NIST
Tig 924.26 K KDB
BasG 819.00 kJ/mol NIST
μ 1.50 debye KDB
LFL 15.50 % in Air KDB
UFL 27.00 % in Air KDB
Δf -16.16 kJ/mol KDB
Rg 0.8530 KDB
Δfgas [-45.94; -45.72] kJ/mol Show Hide
Δfgas -45.72 kJ/mol KDB
Δfgas -45.94 ± 0.35 kJ/mol NIST
IE [10.02; 15.02] eV Show Hide
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
log10WS 7.60 Crippen Calculated Property
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; 11350.00] kPa Show Hide
Pc 11350.00 kPa KDB
Pc 11300.00 ± 5.00 kPa NIST
Ptriple [6.06; 6.08] kPa Show Hide
Ptriple 6.08 kPa KDB
Ptriple 6.06 ± 0.01 kPa NIST
ρc 244.00 kg/m3 Critica...
Inp [118.00; 131.00]   Show Hide
Inp 118.00 NIST
Inp 131.00 NIST
gas,1 bar 192.77 ± 0.05 J/mol×K NIST
Tboil 239.82 K KDB
Tc [405.40; 405.60] K Show Hide
Tc 405.50 K KDB
Tc 405.56 K Critica...
Tc 405.40 ± 0.10 K NIST
Tc 405.60 ± 5.00 K NIST
Tfus [194.95; 195.41] K Show Hide
Tfus 195.41 K KDB
Tfus 194.95 ± 0.30 K NIST
Ttriple 195.41 K KDB
Vc 0.072 m3/kmol KDB
Zc 0.2423820 KDB
Zra 0.25 KDB

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,liquid [82.46; 89.36] J/mol×K [304.17; 334.09] Show Hide
Cp,liquid 82.46 J/mol×K 304.17 Densiti...
Cp,liquid 83.45 J/mol×K 314.14 Densiti...
Cp,liquid 85.83 J/mol×K 324.11 Densiti...
Cp,liquid 89.36 J/mol×K 334.09 Densiti...
ΔsubH 31.20 kJ/mol 186.00 NIST
ΔvapH [22.70; 23.50] kJ/mol [220.00; 342.50] Show Hide
ΔvapH 23.50 kJ/mol 220.00 NIST
ΔvapH 23.40 kJ/mol 239.00 NIST
ΔvapH 22.70 kJ/mol 342.50 NIST
Pvap [119.70; 11358.50] kPa [243.15; 405.55] Show Hide
Pvap 119.70 kPa 243.15 The inv...
Pvap 151.70 kPa 248.15 The inv...
Pvap 190.20 kPa 253.15 The inv...
Pvap 236.40 kPa 258.15 The inv...
Pvap 290.70 kPa 263.15 The inv...
Pvap 354.80 kPa 268.15 The inv...
Pvap 429.30 kPa 273.15 The inv...
Pvap 515.50 kPa 278.15 The inv...
Pvap 615.10 kPa 283.15 The inv...
Pvap 728.50 kPa 288.15 The inv...
Pvap 857.10 kPa 293.15 The inv...
Pvap 1166.00 kPa 303.12 Vapor P...
Pvap 1424.00 kPa 310.00 Critica...
Pvap 1423.80 kPa 310.00 Critica...
Pvap 1423.60 kPa 310.00 Critica...
Pvap 1423.30 kPa 310.00 Critica...
Pvap 1422.90 kPa 310.00 Critica...
Pvap 1423.10 kPa 310.00 Critica...
Pvap 1423.30 kPa 310.00 Critica...
Pvap 1423.60 kPa 310.00 Critica...
Pvap 1553.00 kPa 313.14 Vapor P...
Pvap 2030.00 kPa 323.16 Vapor P...
Pvap 2609.00 kPa 333.13 Vapor P...
Pvap 3305.00 kPa 343.13 Vapor P...
Pvap 3866.70 kPa 350.00 Critica...
Pvap 3866.80 kPa 350.00 Critica...
Pvap 3867.00 kPa 350.00 Critica...
Pvap 3867.20 kPa 350.00 Critica...
Pvap 3867.40 kPa 350.00 Critica...
Pvap 3867.20 kPa 350.00 Critica...
Pvap 4132.00 kPa 353.13 Vapor P...
Pvap 5105.00 kPa 363.12 Vapor P...
Pvap 6243.00 kPa 373.16 Vapor P...
Pvap 10302.80 kPa 400.00 Critica...
Pvap 10303.70 kPa 400.00 Critica...
Pvap 10301.20 kPa 400.00 Critica...
Pvap 10301.60 kPa 400.00 Critica...
Pvap 11150.60 kPa 404.50 Critica...
Pvap 11147.80 kPa 404.50 Critica...
Pvap 11150.40 kPa 404.50 Critica...
Pvap 11151.20 kPa 404.50 Critica...
Pvap 11151.00 kPa 404.50 Critica...
Pvap 11343.10 kPa 405.50 Critica...
Pvap 11350.70 kPa 405.53 Critica...
Pvap 11352.40 kPa 405.54 Critica...
Pvap 11354.50 kPa 405.54 Critica...
Pvap 11354.40 kPa 405.54 Critica...
Pvap 11352.60 kPa 405.54 Critica...
Pvap 11354.00 kPa 405.54 Critica...
Pvap 11353.60 kPa 405.54 Critica...
Pvap 11353.60 kPa 405.55 Critica...
Pvap 11354.70 kPa 405.55 Critica...
Pvap 11355.70 kPa 405.55 Critica...
Pvap 11358.50 kPa 405.55 Critica...
Pvap 11357.80 kPa 405.55 Critica...
ρl 639.00 kg/m3 273.00 KDB

Datasets

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

Mass density, kg/m3 of Ammonia [ref]

Fixed Measured
Temperature, K of Ammonia - Fluid (supercritical or subcritical phases) Pressure, kPa of Ammonia - Fluid (supercritical or subcritical phases) Mass density, kg/m3 of Ammonia - Fluid (supercritical or subcritical phases)
405.55 11351.30 235.01
405.55 11354.90 249.99
405.55 11358.90 255.19
405.56 11355.80 241.93
405.56 11355.30 242.91
405.56 11359.20 244.0
405.56 11355.00 244.06
405.56 11357.50 244.95
405.56 11356.20 242.97
405.56 11358.00 243.49
405.56 11357.40 244.01
405.57 11360.10 241.94
405.57 11370.20 242.83
405.57 11357.80 242.95
405.57 11360.70 243.96
405.57 11359.50 244.1
405.57 11360.30 245.04
405.58 11361.60 242.02
405.58 11359.90 243.01
405.58 11362.50 244.08
405.58 11362.50 244.99
405.60 11355.40 224.92
405.60 11356.10 229.9
405.60 11361.70 235.14
405.60 11363.00 239.9
405.60 11367.20 245.12

Molar heat capacity at constant pressure, J/K/mol of Ammonia [ref]

Fixed Measured
Pressure, kPa of Ammonia - Liquid Temperature, K of Ammonia - Liquid Molar heat capacity at constant pressure, J/K/mol of Ammonia - 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

Kinematic viscosity, m2/s of Ammonia [ref]

Fixed Measured
Temperature, K of Ammonia - Gas Pressure, kPa of Ammonia - Gas Kinematic viscosity, m2/s of Ammonia - 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

Speed of sound, m/s of Ammonia [ref]

Fixed Measured
Temperature, K of Ammonia - Gas Pressure, kPa of Ammonia - Gas Speed of sound, m/s of Ammonia - Gas
300.00 223.53 430.996
300.00 259.87 429.552
300.00 329.51 428.067
300.00 361.99 426.77
300.00 447.86 424.67
300.00 465.77 423.726
300.00 568.68 421.025
300.00 569.79 420.632
300.00 676.75 417.605
300.00 692.80 416.702
300.00 802.37 413.013
300.00 802.82 413.377
315.00 250.83 441.419
315.00 378.83 438.522
315.00 506.43 435.457
315.00 661.04 431.685
315.00 791.02 428.351
315.00 938.74 424.426
315.00 1080.91 420.458
315.00 1284.99 414.392
330.00 308.27 450.904
330.00 473.84 447.677
330.00 664.29 443.842
330.00 822.59 440.539
330.00 977.41 437.208
330.00 1142.12 433.538
330.00 1294.82 430.009
330.00 1480.49 425.535
330.00 1640.80 421.5
330.00 1792.05 417.518
330.00 1945.84 413.283
345.00 297.74 461.308
345.00 504.54 457.908
345.00 708.88 454.468
345.00 914.14 450.883
345.00 1123.20 447.09
345.00 1332.13 443.168
345.00 1537.04 439.192
345.00 1744.59 435.007
345.00 1955.14 430.584
345.00 2315.57 422.554
345.00 2530.02 417.457
345.00 2769.00 411.451
360.00 242.70 471.706
360.00 453.28 468.856
360.00 661.35 465.91
360.00 865.15 462.911
360.00 1069.66 459.837
360.00 1277.79 456.617
360.00 1481.15 453.385
360.00 1690.65 449.969
360.00 1894.78 446.529
360.00 2277.38 439.831
360.00 2480.70 436.098
360.00 2738.78 431.196
360.00 3050.47 424.968
360.00 3365.40 418.3
375.00 260.57 480.64
375.00 483.31 478.26
375.00 684.74 475.646
375.00 897.66 473.0
375.00 1130.68 469.931
375.00 1341.71 467.142
375.00 1583.75 463.889
375.00 1793.43 461.01
375.00 2026.26 457.698
375.00 2290.42 453.865
375.00 2599.92 449.234
375.00 2933.13 444.037
375.00 3140.48 440.693
375.00 3379.20 436.744

Mass density, kg/m3 of Ammonia [ref]

Fixed Measured
Temperature, K of Ammonia - Liquid Pressure, kPa of Ammonia - Liquid Mass density, kg/m3 of Ammonia - 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

Speed of sound, m/s of Ammonia [ref]

Fixed Measured
Temperature, K of Ammonia - Fluid (supercritical or subcritical phases) Pressure, kPa of Ammonia - Fluid (supercritical or subcritical phases) Speed of sound, m/s of Ammonia - 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

Correlations

Property Value Unit Temperature (K) Source
Pvap [6.12; 11318.57] kPa [195.41; 405.65] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.54557e+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

Similar Compounds

Ammonia-d3. NH4+. NH2+. Amino radical. Imidogen-d. Imidogen. CHLORAMINE. Hydrazine. H2N2O. Hydroxylamine. Nitrosyl hydride. Cyanamide. Hydrogen isocyanide. (E)-Diazene. Diazene-d2, cis.

Find more compounds similar to Ammonia.

Mixtures

Sources

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

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