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 |