Methanol is also called methyl alcohol and wood spirit. It is a light, volatile, colorless and flammable liquid with a distinctive alcoholic odour.

**CAS No: **67-56-1

## Properties

#### Generic Properties

Property | Value | Unit |
---|---|---|

Chemical Formula | CH4O | - |

Molecular Weight | 32.042 | - |

Heat of Combustion | 20006.8 | kJ/kg |

Boiling Point | 337.85 | K |

Freezing Point | 175.47 | K |

#### Critical Properties

Property | Value | Unit |
---|---|---|

Critical Temperature | 512.58 | K |

Critical Pressure | 80.96 | bar |

Critical Volume | 117.8 | cm3/mol |

Critical Density | 0.272 | g/cm3 |

Critical Z | 0.224 | - |

Accentric Factor | 0.566 | - |

### Temperature Dependent Properties

#### Specific Heat

The specific heat at constant pressure can be calculated with the formula:

Constant | Gas | Liquid | Solid |
---|---|---|---|

A | 40.046 | 40.152 | -7.783 |

B | -0.038287 | 0.31046 | 0.71864 |

C | 0.00024529 | -0.0010291 | -0.0019224 |

D | -2.168E-07 | 1.4598E-06 | - |

E | 5.9909E-11 | - | - |

T min(K) | 100 | 176 | 30 |

T max(K) | 1500 | 461 | 151 |

#### Heat of Formation

The heat of formation can be calculated with the formula:

Constant | Value |
---|---|

A | -187.99 |

B | -0.049757 |

C | 0.000021603 |

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 | -14.236 | -9.0562 |

B | 0.3893 | 1254.2 |

C | -0.000062762 | 0.0224 |

D | - | -0.000023538 |

T min(K) | 240 | 230 |

T max(K) | 1000 | 513 |

#### Saturation Pressure

Saturation pressure can be calculated with the formula:

#### Heat of Vaporization

The heat of vaporization can be calculated with the formula:

Constant | Value |
---|---|

A | 52.723 |

n | 0.377 |

T min(K) | 175.47 |

T max(K) | 512.58 |

#### Thermal Conductivity

The thermal conductivity can be calculated with the formula:

Constant | Gas | Liquid |
---|---|---|

A | 0.00234 | 0.2522 |

B | 0.000005434 | -6.9135E-06 |

C | 1.3154E-07 | -5.3801E-07 |

T min(K) | 273 | 175 |

T max(K) | 684 | 487 |

#### Liquid Density

The Liquid Density can be calculated with the Equation:

Constant | Value |
---|---|

A | 0.272 |

B | 0.2719 |

n | 0.2331 |

T min(K) | 175.47 |

T max(K) | 512.58 |

#### Diffusion Coefficient at Infinite Dilution in Water

The Diffusion Coefficient at Infinite Dilution in Water can be calculation:

Constant | Value |
---|---|

A | -1.4163 |

B | -999.778 |

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 | -0.06954 |

B | 0.00045986 |

C | 9.4979E-07 |

T min(K) | 200 |

T max(K) | 1000 |

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