It is a colorless liquid with a sharp odor similar to that of hydrochloric acid. it is mainly used as a precursor for forming various cross-linked siloxane polymers. It is also known as trichloromethylsilane.
CAS no: 75-79-6
Properties
Generic Properties
| Property | Value | Unit |
|---|---|---|
| Chemical Formula | CH3Cl3Si | - |
| Molecular Weight | 149.477 | - |
| Heat of Combustion | 6937.5 | kJ/kg |
Critical Properties
| Property | Value | Unit |
|---|---|---|
| Critical Temperature | 517 | K |
| Critical Pressure | 35.3 | bar |
| Critical Volume | 340 | cm3/mol |
| Critical Density | 0.4396 | g/cm3 |
| Critical Z | 0.279 | - |
| Accentric Factor | 0.263 | - |
Temperature Dependent Properties
Specific Heat
The specific heat at constant pressure can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | 56.67 | 54.416 |
| B | 0.20066 | 0.88694 |
| C | -0.00016721 | -0.0028583 |
| D | 7.253E-08 | 3.8406E-06 |
| E | -1.2684E-11 | - |
| T min(K) | 200 | 196 |
| T max(K) | 1500 | 465 |
Heat of Formation
The heat of formation can be calculated with the formula:
| Constant | Value |
|---|---|
| A | -566.63 |
| B | -0.022804 |
| C | 0.000018352 |
| 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 | -10.703 | -5.0787 |
| B | 0.3598 | 710.71 |
| C | -0.000063928 | 0.0122 |
| D | - | -0.000014351 |
| T min(K) | 250 | 225 |
| T max(K) | 1000 | 517 |
Heat of Vaporization
The heat of vaporization can be calculated with the formula:
| Constant | Value |
|---|---|
| A | 38.2 |
| n | 0.287 |
| T min(K) | 195.35 |
| T max(K) | 517 |
Thermal Conductivity
The thermal conductivity can be calculated with the formula:
| Constant | Gas | Liquid |
|---|---|---|
| A | -0.0044974 | 0.1513 |
| B | 0.00004175 | -0.000086304 |
| C | 2.6577E-09 | -2.704E-07 |
| T min(K) | 250 | 225.35 |
| T max(K) | 1000 | 447 |
Liquid Density
The Liquid Density can be calculated with the Equation:
| Constant | Value |
|---|---|
| A | 0.4398 |
| B | 0.2611 |
| n | 0.2779 |
| T min(K) | 195.35 |
| T max(K) | 517 |
Diffusion Coefficient at Infinite Dilution in Water
The Diffusion Coefficient at Infinite Dilution in Water can be calculation:
| Constant | Value |
|---|---|
| A | -1.5117 |
| B | -1061.326 |
| 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 | -0.03402 |
| B | 0.00024055 |
| C | 4.9737E-07 |
| T min(K) | 200 |
| T max(K) | 1000 |