- InChI
- InChI=1S/C2Cl2/c3-1-2-4
- InChI Key
- ZMJOVJSTYLQINE-UHFFFAOYSA-N
- Formula
- C2Cl2
- SMILES
- ClC#CCl
- Molecular Weight1
- 94.93
- CAS
- 20394-25-6
- Other Names
-
- 1,2-Dichloroacetylene
- Acetylene, dichloro-
- C2Cl2
- ClC«equiv»CCl
- Dichloroethyne
- Ethyne, dichloro-
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase 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).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Inp : Non-polar retention indices.
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
Cheméo is a service of Céondo GmbH, since 2007, we provide simulation, modelling and software development services for the industry.
Do not hesitate to contact us for your projects.
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfH°gas | [227.00; 233.80] | kJ/mol |
|
| ΔfH°gas | 233.80 ± 1.90 | kJ/mol | Active Thermochemical Tables 1.112, gas-phase enthalpies of formation Compiled value |
| ΔfH°gas | 227.00 ± 14.00 | kJ/mol | NIST |
| ΔfH°liquid | 199.00 ± 14.00 | kJ/mol | NIST |
| ΔfusH° | 12.45 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 27.40 ± 1.20 | kJ/mol | NIST |
| IE | [9.90; 10.30] | eV |
|
| IE | 9.90 | eV | NIST |
| IE | 9.90 | eV | NIST |
| IE | 10.03 ± 0.01 | eV | NIST |
| IE | 10.00 | eV | NIST |
| IE | 10.30 ± 0.10 | eV | NIST |
| IE | 10.09 | eV | NIST |
| logPoct/wat | 1.382 | Crippen Calculated Property | |
| McVol | 54.920 | ml/mol | McGowan Calculated Property |
| Inp | 491.00 | NIST | |
| Tfus | [147.15; 207.15] | K |
|
| Tfus | 207.15 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 147.15 ± 0.50 | K | NIST |
Cheméo can also estimate Normal Boiling Point Temperature, Critical Temperature, Critical Pressure, Critical Volume, Standard Gibbs free energy of formation, Acentric Factor, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [65.56; 82.48] | J/mol×K | [298.00; 1200.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 6.19496e+01 | |||
| Coefficient B | 3.53842e+01 | |||
| Coefficient C | -2.03897e+01 | |||
| Coefficient D | 4.48897e+00 | |||
| Coefficient E | -4.65554e-01 | |||
| Reference | Chase, 1998 | |||
| Comment | F=188.1846, G=334.6924, H=209.6184; Data last reviewed in December, 1968 | |||
| Temperature range, min. | 298.00 | |||
| Temperature range, max. | 1200.00 | |||
| Cp,gas | 65.56 | J/mol×K | 298.00 | Calculated Property |
| Cp,gas | 70.15 | J/mol×K | 398.22 | Calculated Property |
| Cp,gas | 73.20 | J/mol×K | 498.44 | Calculated Property |
| Cp,gas | 75.49 | J/mol×K | 598.67 | Calculated Property |
| Cp,gas | 77.30 | J/mol×K | 698.89 | Calculated Property |
| Cp,gas | 78.77 | J/mol×K | 799.11 | Calculated Property |
| Cp,gas | 79.97 | J/mol×K | 899.33 | Calculated Property |
| Cp,gas | 80.96 | J/mol×K | 999.56 | Calculated Property |
| Cp,gas | 81.79 | J/mol×K | 1099.78 | Calculated Property |
| Cp,gas | 82.48 | J/mol×K | 1200.00 | Calculated Property |
| Cp,gas | [82.45; 87.07] | J/mol×K | [1200.00; 6000.00] |
NIST
|
| Equation | Y = A + B·t + C·t² + D·t³ + E/t², t = T/1000 Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 8.48808e+01 | |||
| Coefficient B | 1.28415e+00 | |||
| Coefficient C | -2.49917e-01 | |||
| Coefficient D | 1.67980e-02 | |||
| Coefficient E | -5.24427e+00 | |||
| Reference | Chase, 1998 | |||
| Comment | F=171.9524, G=357.8454, H=209.6184; Data last reviewed in December, 1968 | |||
| Temperature range, min. | 1200.00 | |||
| Temperature range, max. | 6000.00 | |||
| Cp,gas | 82.45 | J/mol×K | 1200.00 | Calculated Property |
| Cp,gas | 84.70 | J/mol×K | 1733.33 | Calculated Property |
| Cp,gas | 85.68 | J/mol×K | 2266.67 | Calculated Property |
| Cp,gas | 86.22 | J/mol×K | 2800.00 | Calculated Property |
| Cp,gas | 86.53 | J/mol×K | 3333.33 | Calculated Property |
| Cp,gas | 86.73 | J/mol×K | 3866.67 | Calculated Property |
| Cp,gas | 86.85 | J/mol×K | 4400.00 | Calculated Property |
| Cp,gas | 86.93 | J/mol×K | 4933.33 | Calculated Property |
| Cp,gas | 87.00 | J/mol×K | 5466.67 | Calculated Property |
| Cp,gas | 87.07 | J/mol×K | 6000.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Dichloroacetylene.
Sources
- Active Thermochemical Tables 1.112, gas-phase enthalpies of formation ChEDL chemicals 1.5.2, from Active Thermochemical Tables (ATcT), version 1.112, Argonne National Laboratory; Ruscic, B. et al. Active Thermochemical Tables: Thermochemistry for the 21st Century. J. Phys.: Conf. Ser. 2005, 16, 561.
- Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more.
Take the time to validate and double check the source of the data.
Calculated This icon marks a calculated value or equation: a prediction, not a measurement.
Compiled This icon marks a compiled value or equation: taken from a data compilation such as ChemSep, not from an original measurement report.
These property values are available through the Cheméo API. A free account gives you an access key.