It is a colorless liquid, although impure samples can appear yellow, and miscible in water. It is generally used in the petrochemical and plastics industries as a solvent, exploiting its nonvolatility and ability to dissolve diverse materials.

**CAS no: **872-50-4

## Properties

#### Generic Properties

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

Chemical Formula | C5H9NO | - |

Molecular Weight | 99.133 | - |

Heat of Combustion | 24214.9 | kJ/kg |

Flash Point | 368.70 | K |

Auto Ignition | 619.26 | K |

LEL | 2.2 | vol % |

UEL | 12.2 | vol % |

#### Critical Properties

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

Critical Temperature | 724 | K |

Critical Pressure | 47.8 | bar |

Critical Volume | 316 | cm3/mol |

Critical Density | 0.3137 | g/cm3 |

Critical Z | 0.251 | - |

Accentric Factor | 0.358 | - |

### Temperature Dependent Properties

#### Specific Heat

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

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

A | -46.964 | 362.07 | -6.363 |

B | 0.56527 | 0.27702 | 0.69542 |

C | -0.0001633 | -0.00059845 | - |

D | -1.999E-07 | 7.8986E-07 | - |

E | 1.278E-10 | - | - |

T minK) | 298 | 259 | 219 |

T max(K) | 1200 | 600 | 249 |

#### Heat of Formation

The heat of formation can be calculated with the formula:

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

A | -163.84 |

B | -0.1278 |

C | 0.00007377 |

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 | -18.936 | -13.238 |

B | 0.2833 | 2228.9 |

C | -0.000049578 | 0.0252 |

D | - | -0.000017909 |

T min(K) | 250 | 293.15 |

T max(K) | 1000 | 687.8 |

#### Heat of Vaporization

The heat of vaporization can be calculated with the formula:

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

A | 63.749 |

n | 0.332 |

T min(K) | 249.15 |

T max(K) | 724 |

#### Thermal Conductivity

The thermal conductivity can be calculated with the formula:

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

A | -0.012436 | 0.2067 |

B | 0.000060105 | 0.000023364 |

C | 2.9982E-08 | -2.1893E-07 |

T min(K) | 250 | 249 |

T max(K) | 1000 | 688 |

#### Saturation Pressure

The Saturation Pressure can be calculated with the Antoine Equation:

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

A | 7.36115 |

B | 1869.62 |

C | 215.294 |

T min(C) | -24 |

T max(C) | 450.85 |

#### Diffusion Coefficient at Infinite Dilution in Water

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

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

A | -1.4935 |

B | -1058.924 |

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 | -0.04112 |

B | 0.00023683 |

C | 5.3613E-07 |

T min(K) | 200 |

T max(K) | 1000 |