Other names include 1-isocyano-2-methylpropane, isobutyl isonitrile, 2-methylpropylisonitrile, and 1-isocyano-2-methyl-propane.
CAS no: 590-94-3
Properties
Generic Properties
Property | Value | Unit |
---|---|---|
Chemical Formula | C5H9N | - |
Molecular Weight | 83.133 | - |
Heat of Combustion | 31862.7 | kJ/kg |
Critical Properties
Property | Value | Unit |
---|---|---|
Critical Temperature | 563.17 | K |
Critical Pressure | 34 | bar |
Critical Volume | 335.5 | cm3/mol |
Critical Density | 0.2478 | g/cm3 |
Critical Z | 0.244 | - |
Accentric Factor | 0.397 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:

Constant | Gas | Liquid |
---|---|---|
A | 13.661 | 103.52 |
B | 0.41954 | 0.56938 |
C | -0.0002204 | -0.0016448 |
D | 4.15E-08 | 0.00000237 |
E | 0 | - |
T min(K) | 273 | 211 |
T max(K) | 1000 | 473 |
Heat of Formation
The heat of formation can be calculated with the formula:

Constant | Value |
---|---|
A | 61.966 |
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 | -10.082 | -14.943 |
B | 0.2621 | 2080.6 |
C | -0.000043709 | 0.0348 |
D | - | -0.000030706 |
T min(K) | 250 | 293.15 |
T max(K) | 1000 | 535.01 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:

Constant | Value |
---|---|
A | 52.316 |
n | 0.38 |
T min(K) | 200.7 |
T max(K) | 563.17 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:

Constant | Gas | Liquid |
---|---|---|
A | -0.010416 | 0.2099 |
B | 0.000065914 | -0.00010448 |
C | 2.5967E-08 | -3.2747E-07 |
T min(K) | 250 | 230.7 |
T max(K) | 1000 | 493.17 |
Liquid Density
The Liquid Density can be calculated with the Equation:

Constant | Value |
---|---|
A | 0.2478 |
B | 0.2488 |
n | 0.2857 |
T min(K) | 200.7 |
T max(K) | 563.17 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculation:

Constant | Value |
---|---|
A | -1.9894 |
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 | -0.02805 |
B | 0.000223 |
C | 5.4327E-07 |
T min(K) | 200 |
T max(K) | 1000 |