It is a colorless, strong-smelling, dense liquid that is the precursor to various refrigerants. It is also known as trichloromethane.
CAS no: 67-66-3
Properties
Generic Properties
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | CHCl3 | - |
| Molecular Weight | 119.376 | - |
| Heat of Combustion | 3197.5 | kJ/kg |
| Boiling Point | 334.33 | K |
| Freezing Point | 209.63 | K |
| UEL | 12.9 | vol % |
Critical Properties
| Property | Value | Unit |
|---|---|---|
| Critical Temperature | 536.4 | K |
| Critical Pressure | 54.72 | bar |
| Critical Volume | 239 | cm3/mol |
| Critical Density | 0.4995 | g/cm3 |
| Critical Z | 0.293 | - |
| Accentric Factor | 0.213 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | 22.487 | 30.056 |
| B | 0.19823 | 0.65897 |
| C | -0.00021676 | -0.0020353 |
| D | 1.164E-07 | 2.5901E-06 |
| E | -2.4555E-11 | - |
| T min(K) | 100 | 211 |
| T max(K) | 1500 | 483 |
Heat of Formation
The heat of formation can be calculated with the formula:
| Constant | Value |
|---|---|
| A | -100.75 |
| B | -0.009396 |
| C | 7.2858E-06 |
| 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 | -4.3915 | -4.7831 |
| B | 0.3731 | 699.02 |
| C | -0.000051696 | 0.0109 |
| D | - | -0.000012244 |
| T min(K) | 250 | 210 |
| T max(K) | 700 | 536 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 42.953 |
| n | 0.375 |
| T min(K) | 209.63 |
| T max(K) | 536.4 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | -0.00019 | 0.1518 |
| B | 0.000022269 | -0.000012707 |
| C | 1.2257E-09 | -3.1966E-07 |
| T min(K) | 273 | 210 |
| T max(K) | 573 | 510 |
Liquid Density
The Liquid Density can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | 0.4981 |
| B | 0.2527 |
| n | 0.2877 |
| T min(K) | 209.63 |
| T max(K) | 536.4 |
Saturation Pressure
The Saturation Pressure can be calculated with the Antoine Equation:
| Constant | Value |
|---|---|
| A | 7.11148 |
| B | 1232.79 |
| C | 230.213 |
| T min(C) | -63.52 |
| T max(C) | 263.25 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculation:
| Constant | Value |
|---|---|
| A | -1.4389 |
| B | -1051.706 |
| 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 | -0.04996 |
| B | 0.00028829 |
| C | 5.9407E-07 |
| T min(K) | 200 |
| T max(K) | 1000 |