Chemical Properties of Azetidine (CAS 503-29-7)


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InChI Key
Molecular Weight1
Other Names
  • 1,3-Propylenimine
  • Azacyclobutane
  • Azete, tetrahydro-
  • Trimethylene imine
  • Trimethylenimine

Physical Properties

Property Value Unit Source
PAff 943.40 kJ/mol NIST
BasG 908.60 kJ/mol NIST
Δf 118.45 kJ/mol Joback Calculated Property
Δfgas 19.54 kJ/mol Joback Calculated Property
Δfus 8.08 kJ/mol Joback Calculated Property
Δvap 29.42 kJ/mol Joback Calculated Property
IE [8.30; 9.10] eV Show Hide
IE 8.63 ± 0.02 eV NIST
IE 8.30 eV NIST
IE 8.90 eV NIST
IE 9.10 ± 0.15 eV NIST
IE 9.04 ± 0.02 eV NIST
logPoct/wat -0.02 Crippen Calculated Property
Pc 5981.40 kPa Joback Calculated Property
Tboil 334.70 K NIST
Tboil 336.00 K NIST
Tc 532.79 K Joback Calculated Property
Tfus 247.26 K Joback Calculated Property
Vc 0.19 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 72.31 J/mol×K 332.27 Joback Calculated Property
ΔvapH 32.60 kJ/mol 288.0 NIST

Molecular Descriptors

Joback and Reid Groups
>NH (ring) 1
-CH2- (ring) 3

Similar Compounds

Azetidine, 1-methyl-. Aziridine, 2-methyl-. 1,3-Propanediamine, N-methyl-. 1-Propanamine, n-ethyl-. 2-Propanamine, N-methyl-. Ethanamine, N-methyl-. Methylethylamine hydrochloride. 1-Propanamine. 1-Propanamine hydrochloride. 1-Propanamine, n-propyl-. (CH3)2(n-C3H7)N. 1-Propanamine, n,2-dimethyl-. 1-Butanamine, N-methyl-. 1,3-Propanediamine. N,n-diethylamine hydrochloride.

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