Carbon tetrabromide is a colorless crystalline solid. It is denser than water and insoluble in water. It is toxic by ingestion and used to a limited extent as a chemical intermediate. It has been isolated from red algae and found in the ocean.
CAS no: 558-13-4
Properties
Generic Properties
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | CBr4 | - |
| Molecular Weight | 331.627 | - |
| Heat of Combustion | 1090 | kJ/kg |
Critical Properties
| Property | Value | Unit |
|---|---|---|
| Critical Temperature | 724.91 | K |
| Critical Pressure | 96.31 | bar |
| Critical Volume | 328.5 | cm3/mol |
| Critical Density | 1.0095 | g/cm3 |
| Critical Z | 0.525 | - |
| Accentric Factor | 0.501 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | 10.27 | 80.413 |
| B | 0.3774 | 0.47826 |
| C | -0.000488 | -0.0010227 |
| D | 0.000000209 | 0.000001044 |
| E | 0 | - |
| T min (K) | 273 | 374 |
| T max (K) | 1000 | 594 |
Heat of Formation
The heat of formation can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 12.019 |
| B | 0.014986 |
| C | -1.0135E-06 |
| T min(K) | 332.62 |
| T max (K) | 1000 |
Viscosity
The viscosity can be calculated with the formula:
For liquid
For Gas
| Constant | Gas | Liquid |
|---|---|---|
| A | -5.0315 | -8.2942 |
| B | 0.6197 | 1406.4 |
| C | -0.00002798 | 0.0177 |
| D | - | -0.000013867 |
| T min(K) | 250 | 364.15 |
| T max(K) | 1000 | 688.67 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 67.342 |
| n | 0.38 |
| T min(K) | 364.15 |
| T max(K) | 724.91 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | -0.0035872 | 0.0943 |
| B | 0.000030259 | -0.000021769 |
| C | -2.5531E-09 | -1.0873E-07 |
| T min(K) | 250 | 394.15 |
| T max(K) | 1000 | 654.91 |
Liquid Density
The Liquid Density can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | 1.0095 |
| B | 0.2664 |
| n | 0.2857 |
| T min(K) | 364.15 |
| T max(K) | 724.91 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculated:
| Constant | Value |
|---|---|
| A | -1.9878 |
| 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 | -0.02428 |
| B | 0.00018854 |
| C | 4.9073E-07 |
| T min(K) | 200 |
| T max(K) | 1000 |