Dichloroacetaldehyde is a colorless liquid with a pungent odor.
CAS no: 79-02-7
Properties
Generic Properties
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | C2H2Cl2O | - |
| Molecular Weight | 112.942 | - |
| Heat of Combustion | 7027 | kJ/kg |
| Flash Point | 333.15 | K |
| LEL | 9 | vol % |
| UEL | 29 | vol % |
Critical Properties
| Property | Value | Unit |
|---|---|---|
| Critical Temperature | 555 | K |
| Critical Pressure | 49.5 | bar |
| Critical Volume | 245 | cm3/mol |
| Critical Density | 0.461 | g/cm3 |
| Critical Z | 0.263 | - |
| Accentric Factor | 0.344 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:
| Constant | Gas | Liquid | Solid |
|---|---|---|---|
| A | 39.761 | 77.385 | 7.296 |
| B | 0.13843 | 0.41996 | 0.42917 |
| C | 9.8425E-06 | -0.0011965 | - |
| D | -0.000000104 | 1.7408E-06 | - |
| E | 4.4962E-11 | - | - |
| Tmin(K) | 298 | 233 | 193 |
| Tmax(K) | 1200 | 459 | 223 |
Heat of Formation
The heat of formation can be calculated with the formula:
| Constant | Value |
|---|---|
| A | -196.49 |
| B | -0.0187 |
| C | 0.000011969 |
| Tmin(K) | 298.15 |
| Tmax(K) | 1000 |
Viscosity
The viscosity can be calculated with the formula:
For liquid
For Gas
| Constant | Gas | Liquid |
|---|---|---|
| A | -13.985 | -18.42 |
| B | 0.3778 | 2859.1 |
| C | -0.000062847 | 0.04 |
| D | - | -0.000032864 |
| Tmin(K) | 250 | 293.15 |
| Tmax(K) | 1000 | 527.25 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 51.064 |
| n | 0.381 |
| Tmin(K) | 223 |
| Tmax(K) | 555 |
Saturation Pressure
The Saturation Pressure can be calculated with the Antoine Equation:
| Constant | Value |
|---|---|
| A | 7.31971 |
| B | 1394.97 |
| C | 225.411 |
| Tmin (C) | -50.15 |
| Tmax (C) | 281.85 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | -0.0059363 | 0.1716 |
| B | 0.000044857 | -0.00008488 |
| C | 5.1702E-09 | -2.778E-07 |
| Tmin(K) | 250 | 253 |
| Tmax(K) | 1000 | 485 |
Liquid Density
The Liquid Density can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | 0.4771 |
| B | 0.254 |
| n | 0.2857 |
| Tmin(K) | 223 |
| Tmax(K) | 555 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculation:
| Constant | Value |
|---|---|
| A | -1.4412 |
| B | -1052.02 |
| Tmin(K) | 274 |
| Tmax(K) | 394 |
Diffusion Coefficient in Air
The Diffusion Coefficient in Air can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | -0.04398 |
| B | 0.00028282 |
| C | 5.9344E-07 |
| Tmin (K) | 200 |
| Tmax (K) | 1000 |