Chemical Properties of Formamide (CAS 75-12-7)

Formamide

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InChI
InChI=1S/CH3NO/c2-1-3/h1H,(H2,2,3)
InChI Key
ZHNUHDYFZUAESO-UHFFFAOYSA-N
Formula
CH3NO
SMILES
NC=O
Molecular Weight1
45.04
CAS
75-12-7
Other Names
  • Amid kyseliny mravenci
  • CARBAMALDEHYDE
  • FORMIMIDIC ACID
  • HCONH2
  • METHANAMIDE
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Physical Properties

Property Value Unit Source
PAff 822.20 kJ/mol NIST
BasG 791.20 kJ/mol NIST
EA 0.02 eV NIST
Δf -75.53 kJ/mol Joback Calculated Property
Δfgas -186.00 kJ/mol NIST
Δfliquid -251.00 kJ/mol NIST
Δfus 5.83 kJ/mol Joback Calculated Property
Δsub 71.70 kJ/mol NIST
Δvap [60.15; 64.98] kJ/mol Show
Δvap 60.15 kJ/mol NIST
Δvap 60.20 kJ/mol NIST
Δvap 64.98 kJ/mol NIST
IE [9.95; 10.50] eV Show
IE 10.16 ± 0.06 eV NIST
IE 10.15 eV NIST
IE 10.00 eV NIST
IE Outlier 10.50 ± 0.05 eV NIST
IE 10.13 eV NIST
IE 10.25 ± 0.02 eV NIST
IE 10.16 ± 0.03 eV NIST
IE 10.24 eV NIST
IE 9.95 eV NIST
IE 10.15 eV NIST
IE 10.30 eV NIST
IE 10.40 eV NIST
log10WS 0.55 Crippen Calculated Property
logPoct/wat -0.898 Crippen Calculated Property
McVol 36.500 ml/mol McGowan Calculated Property
Pc 7145.47 kPa Joback Calculated Property
I [1772.00; 1791.00]   Show
I 1772.00 NIST
I 1791.00 NIST
I 1791.00 NIST
I 1772.00 NIST
Tboil 343.47 K Joback Calculated Property
Tc 536.54 K Joback Calculated Property
Tfus [275.00; 275.70] K Show
Tfus 275.70 K KDB
Tfus 275.54 K Solid l...
Tfus 275.70 ± 0.10 K NIST
Tfus 275.00 ± 1.50 K NIST
Tfus 275.70 ± 1.50 K NIST
Ttriple [275.60; 275.72] K Show
Ttriple 275.60 ± 0.02 K NIST
Ttriple 275.72 ± 0.02 K NIST
Vc 0.138 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [58.79; 74.61] J/mol×K [343.47; 536.54] Show
T(K)
Ideal gas heat capacity (J/mol×K)
60
65
70
75
350
400
450
500
Cp,gas 58.79 J/mol×K 343.47 Joback Calculated Property
Cp,gas 61.71 J/mol×K 375.65 Joback Calculated Property
Cp,gas 64.52 J/mol×K 407.83 Joback Calculated Property
Cp,gas 67.21 J/mol×K 440.01 Joback Calculated Property
Cp,gas 69.78 J/mol×K 472.19 Joback Calculated Property
Cp,gas 72.25 J/mol×K 504.36 Joback Calculated Property
Cp,gas 74.61 J/mol×K 536.54 Joback Calculated Property
Cp,liquid [105.20; 108.11] J/mol×K [293.00; 298.15] Show
T(K)
Liquid phase heat capacity (J/mol×K)
105
105.5
106
106.5
107
107.5
108
294
296
298
Cp,liquid 105.20 J/mol×K 293.00 NIST
Cp,liquid 107.60 J/mol×K 298.00 NIST
Cp,liquid 108.11 J/mol×K 298.15 NIST
Cp,liquid 107.00 J/mol×K 298.15 NIST
Cp,liquid 107.62 J/mol×K 298.15 NIST
Cp,liquid 108.11 J/mol×K 298.15 NIST
Cp,liquid 107.61 J/mol×K 298.15 NIST
Cp,liquid 107.90 J/mol×K 298.15 NIST
η [0.0014900; 0.0036542] Pa×s [293.15; 348.15] Show
T(K)
Dynamic viscosity (Pa×s)
1.50e-3
2.00e-3
2.50e-3
3.00e-3
3.50e-3
300
320
340
η 0.0036542 Pa×s 293.15 Molecul...
η 0.0033020 Pa×s 298.15 Viscosi...
η 0.0033220 Pa×s 298.15 Molecul...
η 0.0032300 Pa×s 298.15 Viscosi...
η 0.0029663 Pa×s 303.15 Molecul...
η 0.0029500 Pa×s 303.15 Viscosi...
η 0.0026531 Pa×s 308.15 Molecul...
η 0.0025420 Pa×s 308.15 Viscosi...
η 0.0026700 Pa×s 308.15 Viscosi...
η 0.0024300 Pa×s 313.15 Viscosi...
η 0.0024039 Pa×s 313.15 Molecul...
η 0.0022187 Pa×s 318.15 Molecul...
η 0.0022000 Pa×s 318.15 Viscosi...
η 0.0020010 Pa×s 318.15 Viscosi...
η 0.0019900 Pa×s 323.15 Viscosi...
η 0.0018200 Pa×s 328.15 Viscosi...
η 0.0016900 Pa×s 333.15 Viscosi...
η 0.0015800 Pa×s 338.15 Viscosi...
η 0.0015200 Pa×s 343.15 Viscosi...
η 0.0014900 Pa×s 348.15 Viscosi...
ΔfusH [7.98; 8.67] kJ/mol [275.60; 275.72] Show
T(K)
Enthalpy of fusion at a given temperature (kJ/mol)
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
275.6
275.65000000000003
275.7
ΔfusH 8.67 kJ/mol 275.60 NIST
ΔfusH 8.67 kJ/mol 275.60 NIST
ΔfusH 8.67 kJ/mol 275.60 NIST
ΔfusH 7.98 kJ/mol 275.70 NIST
ΔfusH 7.98 kJ/mol 275.70 NIST
ΔfusH 7.98 kJ/mol 275.72 NIST
ΔsubH [71.70; 72.40] kJ/mol [262.00; 276.00] Show
ΔsubH 72.40 kJ/mol 262.00 NIST
ΔsubH 71.70 kJ/mol 276.00 NIST
ΔvapH [61.20; 70.80] kJ/mol [335.00; 440.50] Show
ΔvapH 70.80 kJ/mol 335.00 NIST
ΔvapH 64.00 kJ/mol 413.00 NIST
ΔvapH 61.20 kJ/mol 440.50 NIST
Pvap [0.01; 26.70] kPa [303.40; 444.50] Show
T(K)
Vapor pressure (kPa)
0
5
10
15
20
25
350
400
Pvap 0.01 kPa 303.40 Thermoc...
Pvap 0.02 kPa 308.20 Thermoc...
Pvap 0.03 kPa 313.20 Thermoc...
Pvap 0.05 kPa 318.20 Thermoc...
Pvap 0.06 kPa 323.20 Thermoc...
Pvap 0.09 kPa 328.20 Thermoc...
Pvap 0.12 kPa 333.20 Thermoc...
Pvap 0.17 kPa 338.20 Thermoc...
Pvap 0.23 kPa 343.20 Thermoc...
Pvap 0.31 kPa 348.20 Thermoc...
Pvap 0.28 kPa 348.40 Density...
Pvap 0.45 kPa 353.30 Thermoc...
Pvap 0.55 kPa 358.20 Thermoc...
Pvap 0.65 kPa 359.30 Density...
Pvap 0.78 kPa 363.20 Thermoc...
Pvap 0.99 kPa 368.10 Thermoc...
Pvap 0.99 kPa 368.10 Thermoc...
Pvap 1.30 kPa 371.70 Density...
Pvap 1.27 kPa 373.20 Thermoc...
Pvap 1.48 kPa 376.00 Thermoc...
Pvap 2.50 kPa 384.50 Density...
Pvap 2.67 kPa 386.30 Density...
Pvap 5.33 kPa 401.80 Density...
Pvap 8.00 kPa 411.90 Density...
Pvap 13.33 kPa 425.30 Density...
Pvap 26.70 kPa 444.50 Density...
n0 [1.44330; 1.44750]   [293.15; 318.15] Show
T(K)
Refractive Index
1.44
1.44
1.44
1.45
1.45
300
310
n0 1.44750 293.15 Refract...
n0 1.44610 298.15 Molar e...
n0 1.44670 298.15 Refract...
n0 1.44590 303.15 Refract...
n0 1.44510 308.15 Refract...
n0 1.44420 313.15 Refract...
n0 1.44330 318.15 Refract...
ρl [1099.88; 1146.62] kg/m3 [278.15; 333.15] Show
T(K)
Liquid Density (kg/m3)
1100
1110
1120
1130
1140
1150
280
300
320
ρl 1146.62 kg/m3 278.15 Densiti...
ρl 1137.91 kg/m3 288.15 Solutio...
ρl 1138.17 kg/m3 288.15 Densiti...
ρl 1137.80 kg/m3 288.15 Solutio...
ρl 1134.10 kg/m3 293.15 Volumet...
ρl 1133.00 kg/m3 293.15 Densiti...
ρl 1132.00 kg/m3 293.15 Interpr...
ρl 1129.00 kg/m3 298.15 Interpr...
ρl 1129.00 kg/m3 298.15 Densiti...
ρl 1129.73 kg/m3 298.15 Densiti...
ρl 1129.18 kg/m3 298.15 Solutio...
ρl 1129.50 kg/m3 298.15 Topolog...
ρl 1129.49 kg/m3 298.15 Solutio...
ρl 1129.00 kg/m3 298.15 Densiti...
ρl 1129.22 kg/m3 298.15 Explora...
ρl 1124.57 kg/m3 303.15 Intermo...
ρl 1125.10 kg/m3 303.15 Densiti...
ρl 1125.00 kg/m3 303.15 Interpr...
ρl 1125.20 kg/m3 303.15 Topolog...
ρl 1125.00 kg/m3 303.15 Densiti...
ρl 1120.98 kg/m3 308.15 Densiti...
ρl 1121.00 kg/m3 308.15 Densiti...
ρl 1120.75 kg/m3 308.15 Solutio...
ρl 1121.22 kg/m3 308.15 Densiti...
ρl 1120.19 kg/m3 308.15 Intermo...
ρl 1121.00 kg/m3 308.15 Topolog...
ρl 1121.04 kg/m3 308.15 Solutio...
ρl 1121.00 kg/m3 308.15 Interpr...
ρl 1120.90 kg/m3 308.15 Liquid-...
ρl 1116.85 kg/m3 313.15 Densiti...
ρl 1115.22 kg/m3 313.15 Intermo...
ρl 1111.70 kg/m3 313.15 Interpr...
ρl 1117.00 kg/m3 313.15 Densiti...
ρl 1110.95 kg/m3 318.15 Intermo...
ρl 1113.00 kg/m3 318.15 Densiti...
ρl 1112.55 kg/m3 318.15 Solutio...
ρl 1108.46 kg/m3 323.15 Densiti...
ρl 1105.47 kg/m3 323.15 Intermo...
ρl 1104.04 kg/m3 328.15 Solutio...
ρl 1099.88 kg/m3 333.15 Densiti...
ΔfusS [28.94; 31.45] J/mol×K [275.60; 275.72] Show
ΔfusS 31.45 J/mol×K 275.60 NIST
ΔfusS 28.94 J/mol×K 275.72 NIST
csound,fluid [1542.70; 1597.28] m/s [298.15; 323.15] Show
csound,fluid 1597.28 m/s 298.15 Isentro...
csound,fluid 1588.10 m/s 303.15 Acousti...
csound,fluid 1565.40 m/s 313.15 Acousti...
csound,fluid 1542.70 m/s 323.15 Acousti...

Datasets

Mass density, kg/m3

Fixed Measured
Pressure, kPa - Liquid Temperature, K - Liquid Mass density, kg/m3 - Liquid
100.00 298.15 1129.22
Reference

Correlations

Property Value Unit Temperature (K) Source
Pvap [1.33; 202.65] kPa [373.12; 521.58] The Yaw... Show
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.55723e+01
Coefficient B-4.63442e+03
Coefficient C-6.99160e+01
Temperature range, min.373.12
Temperature range, max.521.58
T(K)
Vapor pressure (kPa)
0
50
100
150
200
400
450
500
Pvap 1.33 kPa 373.12 Calculated Property
Pvap 2.93 kPa 389.62 Calculated Property
Pvap 5.97 kPa 406.11 Calculated Property
Pvap 11.38 kPa 422.61 Calculated Property
Pvap 20.47 kPa 439.10 Calculated Property
Pvap 35.03 kPa 455.60 Calculated Property
Pvap 57.34 kPa 472.09 Calculated Property
Pvap 90.28 kPa 488.59 Calculated Property
Pvap 137.35 kPa 505.08 Calculated Property
Pvap 202.65 kPa 521.58 Calculated Property
Pvap [1.03e-03; 114.77] kPa [275.70; 493.00] KDB Vap... Show
Equationln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A5.02136e+01
Coefficient B-8.66196e+03
Coefficient C-4.60543e+00
Coefficient D2.69617e-06
Temperature range, min.275.70
Temperature range, max.493.00
T(K)
Vapor pressure (kPa)
0
20
40
60
80
100
120
300
350
400
450
Pvap 1.03e-03 kPa 275.70 Calculated Property
Pvap 9.11e-03 kPa 299.84 Calculated Property
Pvap 0.06 kPa 323.99 Calculated Property
Pvap 0.27 kPa 348.13 Calculated Property
Pvap 1.06 kPa 372.28 Calculated Property
Pvap 3.44 kPa 396.42 Calculated Property
Pvap 9.68 kPa 420.57 Calculated Property
Pvap 24.24 kPa 444.71 Calculated Property
Pvap 54.97 kPa 468.86 Calculated Property
Pvap 114.77 kPa 493.00 Calculated Property

Similar Compounds

CH2NH2. Methylene, 1-amino-. methan-d3-amine. Methylamine. HCOONH2. Urea. Formic acid hydrazide. Formamide, N-methyl-. Propiolamide. Cyanamide. Acetamide. Ethanediamide. Cyanic acid. CH3CHNH2. Acetamide, 2,2,2-trifluoro-.

Find more compounds similar to Formamide.

Mixtures

Find more mixtures with Formamide.

Sources

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