Chemical Properties of 1H-Imidazole (CAS 288-32-4)

1H-Imidazole

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InChI
InChI=1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)
InChI Key
RAXXELZNTBOGNW-UHFFFAOYSA-N
Formula
C3H4N2
SMILES
c1c[nH]cn1
Molecular Weight1
68.08
CAS
288-32-4
Other Names
  • 1,3-diaza-2,4-cyclopentadiene
  • 1,3-diazole
  • Formamidine, N,N'-vinylene-
  • IMD
  • Imidazol
  • Iminazole
  • Imutex
  • Miazole
  • NSC 60522
  • Pyrro(b)monazole
  • USAF EK-4733
  • glyoxalin
  • glyoxaline
  • imidazole
  • methanimidamide, N,N'-1,2-ethenediyl-
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Physical Properties

Property Value Unit Source
PAff 942.80 kJ/mol NIST
BasG 909.20 kJ/mol NIST
Δfgas [128.00; 139.30] kJ/mol Show Hide
Δfgas 129.50 kJ/mol NIST
Δfgas 139.30 ± 1.90 kJ/mol NIST
Δfgas 132.90 ± 0.60 kJ/mol NIST
Δfgas 128.00 ± 7.50 kJ/mol NIST
Δsub [66.90; 85.40] kJ/mol Show Hide
Δsub 83.10 ± 0.20 kJ/mol NIST
Δsub 83.10 kJ/mol NIST
Δsub 83.10 ± 0.20 kJ/mol NIST
Δsub 74.50 ± 0.40 kJ/mol NIST
Δsub 66.90 ± 4.20 kJ/mol NIST
Δsub 69.50 kJ/mol NIST
Δsub 85.30 kJ/mol NIST
Δsub 85.40 kJ/mol NIST
IE [8.78; 9.12] eV Show Hide
IE 8.81 ± 0.01 eV NIST
IE 8.81 ± 0.01 eV NIST
IE 9.12 eV NIST
IE 8.96 eV NIST
IE 8.78 eV NIST
log10WS -0.46 Crippen Calculated Property
logPoct/wat -0.072 Crippen Calculated Property
McVol 53.630 ml/mol McGowan Calculated Property
Inp [1042.00; 1095.00]   Show Hide
Inp 1069.00 NIST
Inp 1042.00 NIST
Inp 1069.00 NIST
Inp 1095.00 NIST
Inp 1055.00 NIST
Inp 1095.00 NIST
Inp 1095.00 NIST
Inp 1055.00 NIST
I [2172.00; 2200.00]   Show Hide
I 2172.00 NIST
I 2200.00 NIST
I 2200.00 NIST
Tboil 530.20 K NIST
Tfus [361.90; 363.70] K Show Hide
Tfus 362.25 K Solubil...
Tfus 363.70 ± 0.40 K NIST
Tfus 361.90 ± 0.20 K NIST
Ttriple 362.69 ± 0.02 K NIST

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,solid [0.77; 84.90] J/mol×K [10.18; 302.82] Show Hide
Cp,solid 0.77 J/mol×K 10.18 Heat ca...
Cp,solid 0.90 J/mol×K 10.66 Heat ca...
Cp,solid 1.03 J/mol×K 11.15 Heat ca...
Cp,solid 1.17 J/mol×K 11.64 Heat ca...
Cp,solid 1.34 J/mol×K 12.15 Heat ca...
Cp,solid 1.52 J/mol×K 12.69 Heat ca...
Cp,solid 1.73 J/mol×K 13.25 Heat ca...
Cp,solid 1.96 J/mol×K 13.83 Heat ca...
Cp,solid 2.23 J/mol×K 14.45 Heat ca...
Cp,solid 2.52 J/mol×K 15.09 Heat ca...
Cp,solid 2.76 J/mol×K 15.59 Heat ca...
Cp,solid 3.50 J/mol×K 17.03 Heat ca...
Cp,solid 4.40 J/mol×K 18.62 Heat ca...
Cp,solid 5.44 J/mol×K 20.32 Heat ca...
Cp,solid 6.72 J/mol×K 22.25 Heat ca...
Cp,solid 8.16 J/mol×K 24.32 Heat ca...
Cp,solid 9.80 J/mol×K 26.56 Heat ca...
Cp,solid 11.60 J/mol×K 29.04 Heat ca...
Cp,solid 13.60 J/mol×K 31.74 Heat ca...
Cp,solid 15.78 J/mol×K 34.70 Heat ca...
Cp,solid 18.12 J/mol×K 37.93 Heat ca...
Cp,solid 20.50 J/mol×K 41.46 Heat ca...
Cp,solid 22.98 J/mol×K 45.33 Heat ca...
Cp,solid 25.37 J/mol×K 49.55 Heat ca...
Cp,solid 27.86 J/mol×K 54.15 Heat ca...
Cp,solid 30.35 J/mol×K 59.19 Heat ca...
Cp,solid 32.58 J/mol×K 64.68 Heat ca...
Cp,solid 34.67 J/mol×K 70.69 Heat ca...
Cp,solid 36.89 J/mol×K 77.27 Heat ca...
Cp,solid 39.12 J/mol×K 84.43 Heat ca...
Cp,solid 41.04 J/mol×K 92.28 Heat ca...
Cp,solid 42.43 J/mol×K 100.87 Heat ca...
Cp,solid 44.28 J/mol×K 110.96 Heat ca...
Cp,solid 46.09 J/mol×K 121.01 Heat ca...
Cp,solid 47.65 J/mol×K 131.13 Heat ca...
Cp,solid 49.12 J/mol×K 141.20 Heat ca...
Cp,solid 50.76 J/mol×K 151.26 Heat ca...
Cp,solid 52.37 J/mol×K 161.40 Heat ca...
Cp,solid 54.19 J/mol×K 171.53 Heat ca...
Cp,solid 56.27 J/mol×K 181.59 Heat ca...
Cp,solid 58.38 J/mol×K 191.67 Heat ca...
Cp,solid 60.47 J/mol×K 201.76 Heat ca...
Cp,solid 62.61 J/mol×K 211.85 Heat ca...
Cp,solid 65.02 J/mol×K 221.93 Heat ca...
Cp,solid 67.60 J/mol×K 232.01 Heat ca...
Cp,solid 70.27 J/mol×K 242.09 Heat ca...
Cp,solid 73.06 J/mol×K 252.18 Heat ca...
Cp,solid 75.44 J/mol×K 262.27 Heat ca...
Cp,solid 78.25 J/mol×K 272.36 Heat ca...
Cp,solid 80.30 J/mol×K 282.40 Heat ca...
Cp,solid 81.87 J/mol×K 292.36 Heat ca...
Cp,solid 84.90 J/mol×K 302.82 Heat ca...
ΔfusH [12.50; 12.82] kJ/mol [361.90; 363.70] Show Hide
ΔfusH 12.80 kJ/mol 361.90 NIST
ΔfusH 12.80 kJ/mol 361.90 NIST
ΔfusH 12.80 kJ/mol 361.90 NIST
ΔfusH 12.82 kJ/mol 362.69 NIST
ΔfusH 12.50 kJ/mol 363.70 NIST
ΔsubH [80.80; 83.10] kJ/mol [299.00; 300.50] Show Hide
ΔsubH 80.80 kJ/mol 299.00 NIST
ΔsubH 83.10 ± 0.20 kJ/mol 300.50 NIST
ΔfusS [35.35; 35.37] J/mol×K [361.90; 362.69] Show Hide
ΔfusS 35.37 J/mol×K 361.90 NIST
ΔfusS 35.35 J/mol×K 362.69 NIST

Similar Compounds

4-Cl-pyrazole. 2-mercaptoimidazole. 2H-Imidazole-2-thione, 1,3-dihydro-. 1H-Imidazole, 4-methyl-. 1H-Imidazole, 2-methyl-. 1H-Imidazole, 4-nitro-. 1H-Imidazole-2-carboxaldehyde. 4-nitroimidazole. 4(1H)-Pyrimidinone. 3H-pyrimidin-4-one. 1H-Imidazole, 2-ethyl-. 2-Isopropylimidazole. 1,2,4-Triazine. Acetamide, n-[4(5)-imidazolyl]-. 1,3-Diazine.

Find more compounds similar to 1H-Imidazole.

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