- InChI
- InChI=1S/C4H4/c1-2-4-3-1/h1-4H
- InChI Key
- HWEQKSVYKBUIIK-UHFFFAOYSA-N
- Formula
- C4H4
- SMILES
- C1=CC=C1
- Molecular Weight1
- 52.07
- CAS
- 1120-53-2
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfG° | 99.08 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | 76.65 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 3.52 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 25.48 | kJ/mol | Joback Calculated Property |
| IE | [8.16; 9.55] | eV |
|
| IE | 8.16 ± 0.03 | eV | NIST |
| IE | 9.55 | eV | NIST |
| IE | 8.20 | eV | NIST |
| IE | 8.50 | eV | NIST |
| IE | 8.24 | eV | NIST |
| log10WS | -1.10 | Crippen Calculated Property | |
| logPoct/wat | 1.112 | Crippen Calculated Property | |
| McVol | 47.760 | ml/mol | McGowan Calculated Property |
| Pc | 5552.58 | kPa | Joback Calculated Property |
| Tboil | 304.92 | K | Joback Calculated Property |
| Tc | 496.15 | K | Joback Calculated Property |
| Tfus | 155.02 | K | Joback Calculated Property |
| Vc | 0.181 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [54.63; 91.14] | J/mol×K | [304.92; 496.15] |
|
| Cp,gas | 54.63 | J/mol×K | 304.92 | Joback Calculated Property |
| Cp,gas | 61.91 | J/mol×K | 336.79 | Joback Calculated Property |
| Cp,gas | 68.68 | J/mol×K | 368.66 | Joback Calculated Property |
| Cp,gas | 74.96 | J/mol×K | 400.53 | Joback Calculated Property |
| Cp,gas | 80.77 | J/mol×K | 432.40 | Joback Calculated Property |
| Cp,gas | 86.16 | J/mol×K | 464.28 | Joback Calculated Property |
| Cp,gas | 91.14 | J/mol×K | 496.15 | Joback Calculated Property |
| η | [0.0001820; 0.0007363] | Pa×s | [155.02; 304.92] |
|
| η | 0.0007363 | Pa×s | 155.02 | Joback Calculated Property |
| η | 0.0004962 | Pa×s | 180.00 | Joback Calculated Property |
| η | 0.0003682 | Pa×s | 204.99 | Joback Calculated Property |
| η | 0.0002915 | Pa×s | 229.97 | Joback Calculated Property |
| η | 0.0002416 | Pa×s | 254.95 | Joback Calculated Property |
| η | 0.0002070 | Pa×s | 279.94 | Joback Calculated Property |
| η | 0.0001820 | Pa×s | 304.92 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to Cyclobutadiene.
Sources
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