- InChI
- InChI=1S/C4H8I2/c5-3-1-2-4-6/h1-4H2
- InChI Key
- ROUYUBHVBIKMQO-UHFFFAOYSA-N
- Formula
- C4H8I2
- SMILES
- ICCCCI
- Molecular Weight1
- 309.92
- CAS
- 628-21-7
- Other Names
-
- 1,4-Diiodobutane
- 1,4-Diodobutane
- Tetramethylene diiodide
- Tetramethylene iodide
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- 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).
- 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).
- 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).
- Tboilr : Boiling point at reduced pressure (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 |
|---|---|---|---|
| ΔcH°liquid | -2687.40 ± 1.80 | kJ/mol | NIST |
| ΔfG° | 99.04 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | 29.00 ± 2.10 | kJ/mol | NIST |
| ΔfH°liquid | -30.00 ± 2.00 | kJ/mol | NIST |
| ΔfusH° | 14.93 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [59.00; 59.00] | kJ/mol |
|
| ΔvapH° | 59.00 ± 0.60 | kJ/mol | NIST |
| ΔvapH° | 59.00 | kJ/mol | NIST |
| log10WS | -3.39 | Crippen Calculated Property | |
| logPoct/wat | 2.637 | Crippen Calculated Property | |
| McVol | 118.860 | ml/mol | McGowan Calculated Property |
| Pc | 3690.97 | kPa | Joback Calculated Property |
| Tboil | 477.20 | K | Joback Calculated Property |
| Tc | 720.71 | K | Joback Calculated Property |
| Tfus | 279.10 ± 0.40 | K | NIST |
| Vc | 0.435 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [174.43; 213.73] | J/mol×K | [477.20; 720.71] |
|
| Cp,gas | 174.43 | J/mol×K | 477.20 | Joback Calculated Property |
| Cp,gas | 182.27 | J/mol×K | 517.79 | Joback Calculated Property |
| Cp,gas | 189.54 | J/mol×K | 558.37 | Joback Calculated Property |
| Cp,gas | 196.27 | J/mol×K | 598.96 | Joback Calculated Property |
| Cp,gas | 202.52 | J/mol×K | 639.54 | Joback Calculated Property |
| Cp,gas | 208.32 | J/mol×K | 680.13 | Joback Calculated Property |
| Cp,gas | 213.73 | J/mol×K | 720.71 | Joback Calculated Property |
| η | [0.0004179; 0.0058612] | Pa×s | [250.96; 477.20] |
|
| η | 0.0058612 | Pa×s | 250.96 | Joback Calculated Property |
| η | 0.0028313 | Pa×s | 288.67 | Joback Calculated Property |
| η | 0.0016181 | Pa×s | 326.37 | Joback Calculated Property |
| η | 0.0010384 | Pa×s | 364.08 | Joback Calculated Property |
| η | 0.0007242 | Pa×s | 401.79 | Joback Calculated Property |
| η | 0.0005373 | Pa×s | 439.49 | Joback Calculated Property |
| η | 0.0004179 | Pa×s | 477.20 | Joback Calculated Property |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 422.70 | K | 3.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.64] | kPa | [387.20; 574.57] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.35236e+01 | |||
| Coefficient B | -4.05400e+03 | |||
| Coefficient C | -8.09140e+01 | |||
| Temperature range, min. | 387.20 | |||
| Temperature range, max. | 574.57 | |||
| Pvap | 1.33 | kPa | 387.20 | Calculated Property |
| Pvap | 3.10 | kPa | 408.02 | Calculated Property |
| Pvap | 6.50 | kPa | 428.84 | Calculated Property |
| Pvap | 12.55 | kPa | 449.66 | Calculated Property |
| Pvap | 22.58 | kPa | 470.48 | Calculated Property |
| Pvap | 38.28 | kPa | 491.29 | Calculated Property |
| Pvap | 61.68 | kPa | 512.11 | Calculated Property |
| Pvap | 95.10 | kPa | 532.93 | Calculated Property |
| Pvap | 141.15 | kPa | 553.75 | Calculated Property |
| Pvap | 202.64 | kPa | 574.57 | Calculated Property |
Similar Compounds
Find more compounds similar to Butane, 1,4-diiodo-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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