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 |