Nitromethane is an organic polar liquid commonly used as a solvent in a variety of industrial applications. As an intermediate in organic synthesis, it is used widely in the manufacture of pharmaceuticals, explosives, fibers, and coatings.
CAS no: 75-52-5
Properties
Generic Properties
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | CH3NO2 | - |
| Molecular Weight | 61.041 | - |
| Heat of Combustion | 10312.1 | kJ/kg |
| Boiling Point | 374.35 | K |
| Freezing Point | 244.6 | K |
| Flash Point | 308.15 | K |
| Auto Ignition | 652.04 | K |
| LEL | 7.3 | vol % |
| UEL | 22.2 | vol % |
Critical Properties
| Property | Value | Unit |
|---|---|---|
| Critical Temperature | 588.15 | K |
| Critical Pressure | 63.13 | bar |
| Critical Volume | 173.4 | cm3/mol |
| Critical Density | 0.352 | g/cm3 |
| Critical Z | 0.224 | - |
| Accentric Factor | 0.348 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:
| Constant | Gas | Liquid | Solid |
|---|---|---|---|
| A | 41.136 | 10.892 | 43.784 |
| B | 0.0034367 | 0.70067 | 0.037261 |
| C | 0.0002638 | -0.0019525 | 0.00056099 |
| D | -0.000000269 | 2.1877E-06 | - |
| E | 7.9503E-11 | - | - |
| T min(K) | 100 | 246 | 95 |
| T max(K) | 1500 | 529 | 235 |
Heat of Formation
The heat of formation can be calculated with the formula:
| Constant | Value |
|---|---|
| A | -61.635 |
| B | -0.052582 |
| C | 0.000029389 |
| 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 | -14.81 | -7.1521 |
| B | 0.3454 | 1056.7 |
| C | -0.000058017 | 0.016 |
| D | - | -0.000015345 |
| T min(K) | 250 | 245 |
| T max(K) | 1000 | 588 |
Saturation Pressure
Saturation pressure can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 7.5385 |
| B | 1588.83 |
| C | 239.919 |
| T min(C) | -28.55 |
| T max(C) | 315 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 47.33 |
| n | 0.297 |
| T min(K) | 244.6 |
| T max(K) | 588.15 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | -0.0065371 | 0.2902 |
| B | 0.000046114 | -0.00015608 |
| C | 2.8313E-08 | -3.9154E-07 |
| T min(K) | 250 | 245 |
| T max(K) | 1000 | 559 |
Liquid Density
The Liquid Density can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | 0.352 |
| B | 0.2392 |
| n | 0.2903 |
| T min(K) | 244.6 |
| T max(K) | 588.15 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculation:
| Constant | Value |
|---|---|
| A | -1.3733 |
| B | -1043.044 |
| 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 | -0.05614 |
| B | 0.00034923 |
| C | 7.3878E-07 |
| T min(K) | 200 |
| T max(K) | 1000 |