Other names include 2-Methylbutyronitrile, alpha-Methylbutyronitrile, 2-methyl-2-Methylbutanone, and sec-Butyl Cyanide.
CAS no: 18936-17-9
Properties
Generic Properties
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | C5H9N | - |
| Molecular Weight | 83.133 | - |
| Heat of Combustion | 31441.7 | kJ/kg |
| Flash Point | 308.15 | K |
Critical Properties
| Property | Value | Unit |
|---|---|---|
| Critical Temperature | 585.8 | K |
| Critical Pressure | 34 | bar |
| Critical Volume | 335.5 | cm3/mol |
| Critical Density | 0.2478 | g/cm3 |
| Critical Z | 0.234 | - |
| Accentric Factor | 0.397 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:
| Constant | Gas | Liquid | Solid |
|---|---|---|---|
| A | 13.661 | 110.968 | 5 |
| B | 0.41954 | 0.51206 | 0.63125 |
| C | -0.0002204 | -0.0014295 | - |
| D | 4.15E-08 | 2.0569E-06 | - |
| E | 0 | - | - |
| T min(K) | 273 | 206 | 80 |
| T max(K) | 1000 | 492 | 190 |
Heat of Formation
The heat of formation can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 26.389 |
| B | -0.086748 |
| C | 0.000045835 |
| T min(K) | 298.15 |
| T max (K) | 1000 |
Viscosity
The viscosity can be calculated with the formula:
For liquid
For Gas
| Constant | Gas | Liquid |
|---|---|---|
| A | -11.037 | -5.5558 |
| B | 0.2599 | 855.03 |
| C | -0.000043629 | 0.012 |
| D | - | -0.000012472 |
| T min(K) | 250 | 293.15 |
| T max(K) | 1000 | 556.51 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 54.519 |
| n | 0.38 |
| T min(K) | 195.6 |
| T max(K) | 585.8 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | -0.010315 | 0.211 |
| B | 0.000064617 | -0.0001047 |
| C | 2.5822E-08 | -2.9906E-07 |
| T min(K) | 250 | 225.6 |
| T max(K) | 1000 | 515.8 |
Liquid Density
The Liquid Density can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | 0.2478 |
| B | 0.2445 |
| n | 0.2857 |
| T min(K) | 195.6 |
| T max(K) | 585.8 |
Saturation Pressure
The Saturation Pressure can be calculated with the Antoine Equation:
| Constant | Value |
|---|---|
| A | 6.89173 |
| B | 1223.31 |
| C | 179.596 |
| T min(C) | 46.3322 |
| T max(C) | 312.652 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculation:
| Constant | Value |
|---|---|
| A | -1.9861 |
| B | -907.8591 |
| T min(K) | 274 |
| T max(K) | 394 |
Diffusion Coefficient in Air
The Diffusion Coefficient in Air can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | -0.02796 |
| B | 0.00022118 |
| C | 5.4578E-07 |
| T min(K) | 200 |
| T max(K) | 1000 |