Other names include 1-Iodo-2-methylbutane, butane, 1-iodo-2-methyl-, and iodo-2-methylbutane.

**CAS no:** 29394-58-9

## Properties

#### Generic Properties

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

Chemical Formula | C5H9I | - |

Molecular Weight | 196.031 | - |

Heat of Combustion | 15441.7 | kJ/kg |

Flash Point | 323.15 | K |

#### Critical Properties

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

Critical Temperature | 628.8 | K |

Critical Pressure | 36.16 | bar |

Critical Volume | 384.5 | cm3/mol |

Critical Density | 0.5098 | g/cm3 |

Critical Z | 0.266 | - |

Accentric Factor | 0.261 | - |

### Temperature Dependent Properties

#### Specific Heat

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

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

A | -3.839 | 122.549 |

B | 0.53774 | 0.3167 |

C | -0.0004157 | -0.00078796 |

D | 1.374E-07 | 1.1902E-06 |

E | 0 | - |

T min(K) | 273 | 195 |

T max(K) | 1000 | 520 |

#### Heat of Formation

The heat of formation can be calculated with the formula:

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

A | 23.341 |

B | -0.072047 |

C | 0.000035483 |

T min(K) | 458.39 |

T max (K) | 1000 |

#### Viscosity

The viscosity can be calculated with the formula:

For liquid

For Gas

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

A | -7.2197 | -8.7088 |

B | 0.3174 | 1362.1 |

C | -0.000037497 | 0.0183 |

D | - | -0.000015602 |

T min(K) | 250 | 293.15 |

T max(K) | 1000 | 597.36 |

#### Heat of Vaporization

The heat of vaporization can be calculated with the formula:

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

A | 52.506 |

n | 0.38 |

T min(K) | 184.63 |

T max(K) | 628.8 |

#### Thermal Conductivity

The thermal conductivity can be calculated with the formula:

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

A | -0.0060884 | 0.1338 |

B | 0.000039197 | -0.000069745 |

C | 1.6259E-08 | -1.5319E-07 |

T min(K) | 250 | 214.63 |

T max(K) | 1000 | 558.8 |

#### Saturation Pressure

Saturation pressure can be calculated using the Antoine Equation:

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

A | 6.63748 |

B | 1161.77 |

C | 171.426 |

T min(C) | 53.7078 |

T max(C) | 355.654 |

#### Liquid Density

The Liquid Density can be calculated with the Equation:

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

A | 0.5098 |

B | 0.2629 |

n | 0.2857 |

T min(K) | 184.63 |

T max(K) | 628.8 |

#### Diffusion Coefficient at Infinite Dilution in Water

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

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

A | -2.0295 |

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 | -0.02401 |

B | 0.00018919 |

C | 4.7167E-07 |

T min(K) | 200 |

T max(K) | 1000 |

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