Other names include 2-Furaldehyde, furan-2-carbaldehyde, Furancarboxaldehyde, and Furfurylaldehyde.

**CAS no: **98-01-1

## Properties

#### Generic Properties

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

Chemical Formula | C5H4O2 | - |

Molecular Weight | 96.086 | - |

Heat of Combustion | 23499 | kJ/kg |

Boiling Point | 434.85 | K |

Freezing Point | 236.65 | K |

Flash Point | 333.15 | K |

Auto Ignition | 588.70 | K |

LEL | 2.1 | vol % |

UEL | 19.3 | vol % |

#### Critical Properties

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

Critical Temperature | 657 | K |

Critical Pressure | 55.12 | bar |

Critical Volume | 252 | cm3/mol |

Critical Density | 0.3813 | g/cm3 |

Critical Z | 0.254 | - |

Accentric Factor | 0.444 | - |

### Temperature Dependent Properties

#### Specific Heat

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

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

A | 15.47 | 57.252 | 1.534 |

B | 0.29835 | 0.70755 | 0.45792 |

C | -0.000019177 | -0.0018082 | - |

D | -1.462E-07 | 0.000001963 | - |

E | 5.9506E-11 | - | - |

T min(K) | 100 | 238 | 207 |

T max(K) | 1500 | 591 | 237 |

#### Heat of Formation

The heat of formation can be calculated with the formula:

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

A | -141.67 |

B | -0.039583 |

C | 0.000027351 |

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 | -18.195 | -0.6087 |

B | 0.3306 | 286.04 |

C | -0.000056683 | 0.0005 |

D | - | -3.0939E-06 |

T min(K) | 250 | 273 |

T max(K) | 1000 | 657 |

#### Heat of Vaporization

The heat of vaporization can be calculated with the formula:

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

A | 59.186 |

n | 0.313 |

T min(K) | 236.65 |

T max(K) | 657 |

#### Thermal Conductivity

The thermal conductivity can be calculated with the formula:

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

A | -0.01076 | 0.2026 |

B | 0.000063409 | -0.000019168 |

C | 1.7471E-08 | -2.6671E-07 |

T min(K) | 250 | 237 |

T max(K) | 1000 | 624 |

#### Liquid Density

The Liquid Density can be calculated with the Equation:

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

A | 0.3724 |

B | 0.2603 |

n | 0.2857 |

T min(K) | 236.65 |

T max(K) | 657 |

#### Saturation Pressure

The Saturation Pressure can be calculated with the Antoine Equation:

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

A | 7.71516 |

B | 1917.45 |

C | 234.93 |

T min(C) | -36.5 |

T max(C) | 383.85 |

#### Diffusion Coefficient at Infinite Dilution in Water

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

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

A | -1.8815 |

B | -915.108 |

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 | -0.043 |

B | 0.00026156 |

C | 5.7615E-07 |

T min(K) | 200 |

T max(K) | 1000 |