- InChI
- InChI=1S/C4H6Br2/c5-3-1-2-4-6/h1-2H,3-4H2
- InChI Key
- RMXLHIUHKIVPAB-UHFFFAOYSA-N
- Formula
- C4H6Br2
- SMILES
- BrCC=CCBr
- Molecular Weight1
- 213.90
- CAS
- 6974-12-5
- Other Names
-
- 1,4-Dibromo-2-butene
- 1,4-dibromobut-2-ene
- TL 80
- 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).
- 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).
- Pvap : Vapor 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° | 91.66 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | 43.99 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 16.89 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 37.33 | kJ/mol | Joback Calculated Property |
| log10WS | -2.21 | Crippen Calculated Property | |
| logPoct/wat | 2.332 | Crippen Calculated Property | |
| McVol | 97.920 | ml/mol | McGowan Calculated Property |
| Pc | 5015.69 | kPa | Joback Calculated Property |
| Tboil | 427.40 | K | Joback Calculated Property |
| Tc | 644.74 | K | Joback Calculated Property |
| Tfus | 249.36 | K | Joback Calculated Property |
| Vc | 0.363 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [141.76; 177.04] | J/mol×K | [427.40; 644.74] | 
|
| Cp,gas | 141.76 | J/mol×K | 427.40 | Joback Calculated Property |
| Cp,gas | 148.87 | J/mol×K | 463.62 | Joback Calculated Property |
| Cp,gas | 155.43 | J/mol×K | 499.85 | Joback Calculated Property |
| Cp,gas | 161.48 | J/mol×K | 536.07 | Joback Calculated Property |
| Cp,gas | 167.07 | J/mol×K | 572.29 | Joback Calculated Property |
| Cp,gas | 172.24 | J/mol×K | 608.51 | Joback Calculated Property |
| Cp,gas | 177.04 | J/mol×K | 644.74 | Joback Calculated Property |
| η | [0.0003671; 0.0028790] | Pa×s | [249.36; 427.40] |
|
| η | 0.0028790 | Pa×s | 249.36 | Joback Calculated Property |
| η | 0.0017018 | Pa×s | 279.03 | Joback Calculated Property |
| η | 0.0011129 | Pa×s | 308.71 | Joback Calculated Property |
| η | 0.0007841 | Pa×s | 338.38 | Joback Calculated Property |
| η | 0.0005845 | Pa×s | 368.05 | Joback Calculated Property |
| η | 0.0004552 | Pa×s | 397.73 | Joback Calculated Property |
| η | 0.0003671 | Pa×s | 427.40 | Joback Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 269.48] | kPa | [329.08; 472.15] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.54127e+01 | |||
| Coefficient B | -4.00119e+03 | |||
| Coefficient C | -6.45400e+01 | |||
| Temperature range, min. | 329.08 | |||
| Temperature range, max. | 472.15 | |||
| Pvap | 1.33 | kPa | 329.08 | Calculated Property |
| Pvap | 3.14 | kPa | 344.98 | Calculated Property |
| Pvap | 6.76 | kPa | 360.87 | Calculated Property |
| Pvap | 13.43 | kPa | 376.77 | Calculated Property |
| Pvap | 24.99 | kPa | 392.67 | Calculated Property |
| Pvap | 43.91 | kPa | 408.56 | Calculated Property |
| Pvap | 73.39 | kPa | 424.46 | Calculated Property |
| Pvap | 117.46 | kPa | 440.36 | Calculated Property |
| Pvap | 180.93 | kPa | 456.25 | Calculated Property |
| Pvap | 269.48 | kPa | 472.15 | Calculated Property |
Similar Compounds
Find more compounds similar to 2-Butene, 1,4-dibromo-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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