It is the chemical compound used in diverse applications in organic synthesis. It is a greenhouse gas.
CAS no: 75-46-7
Properties
Generic Properties
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | CHF3 | - |
| Molecular Weight | 70.014 | - |
| Heat of Combustion | -2555.2 | kJ/kg |
| Boiling Point | 190.99 | K |
| Freezing Point | 117.97 | K |
| Flash Point | 160.9277778 | K |
| UEL | 35.3 | vol % |
Critical Properties
| Property | Value | Unit |
|---|---|---|
| Critical Temperature | 298.89 | K |
| Critical Pressure | 48.36 | bar |
| Critical Volume | 133.3 | cm3/mol |
| Critical Density | 0.5252 | g/cm3 |
| Critical Z | 0.259 | - |
| Accentric Factor | 0.267 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:
| Constant | Gas | Liquid | Solid |
|---|---|---|---|
| A | 23.287 | 21.532 | 0.034 |
| B | 0.095385 | 0.84432 | 0.9233 |
| C | 0.000020049 | -0.0046671 | -0.0029612 |
| D | -7.443E-08 | 0.000010607 | - |
| E | 2.7428E-11 | - | - |
| T min(K) | 100 | 119 | 20 |
| T max(K) | 1500 | 269 | 118 |
Heat of Formation
The heat of formation can be calculated with the formula:
| Constant | Value |
|---|---|
| A | -687.24 |
| B | -0.024319 |
| C | 0.000013388 |
| 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 | -10.495 | -21.308 |
| B | 0.5695 | 1550.3 |
| C | -0.00017587 | 0.0959 |
| D | - | -0.00015489 |
| T min(K) | 191 | 170 |
| T max(K) | 700 | 299 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 23.858 |
| n | 0.355 |
| T min(K) | 117.97 |
| T max(K) | 298.89 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | -0.0076392 | 0.2649 |
| B | 0.000057962 | -0.00069 |
| C | 2.8718E-08 | 0 |
| T min(K) | 191 | 123 |
| T max(K) | 700 | 273 |
Liquid Density
The Liquid Density can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | 0.5244 |
| B | 0.2549 |
| n | 0.2891 |
| T min(K) | 117.97 |
| T max(K) | 298.89 |
Saturation Pressure
The Saturation Pressure can be calculated with the Antoine Equation:
| Constant | Value |
|---|---|
| A | 7.18249 |
| B | 725.191 |
| C | 250.743 |
| T min(C) | -155.18 |
| T max(C) | 25.74 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculation:
| Constant | Value |
|---|---|
| A | -1.3335 |
| B | -1037.791 |
| 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 | -0.06817 |
| B | 0.0004236 |
| C | 7.9741E-07 |
| T min(K) | 200 |
| T max(K) | 1000 |