A7982712
                    Trichlorooctadecylsilane , >85.0%(GC) , 112-04-9
                            Synonym(s):
Octadecyltrichlorosilane
                            
                        
                CAS NO.:112-04-9
Empirical Formula: C18H37Cl3Si
Molecular Weight: 387.93
MDL number: MFCD00000484
EINECS: 203-930-7
Update time: 2022-07-08
                    PRODUCT Properties
| Melting point: | 22°C | 
                                    
| Boiling point: | 223 °C10 mm Hg(lit.) | 
                                    
| Density | 0.984 g/mL at 25 °C(lit.) | 
                                    
| vapor density | >1 (vs air) | 
                                    
| vapor pressure | <5 mm Hg ( 20 °C) | 
                                    
| refractive index | n | 
                                    
| Flash point: | 193 °F | 
                                    
| storage temp. | Store below +30°C. | 
                                    
| solubility | Chloroform (Sparingly), Dichloromethane (Slightly) | 
                                    
| form | A liquid | 
                                    
| Specific Gravity | 0.984 | 
                                    
| color | White or Colorless to Light yellow | 
                                    
| Water Solubility | Decomposes in water. | 
                                    
| Sensitive | Moisture Sensitive | 
                                    
| Hydrolytic Sensitivity | 8: reacts rapidly with moisture, water, protic solvents | 
                                    
| BRN | 1778847 | 
                                    
| Stability: | Stable. Reacts violently with water. Incompatible with strong acids, strong bases, strong oxidizing agents. Air-sensitive. Combustible. | 
                                    
| InChIKey | PYJJCSYBSYXGQQ-UHFFFAOYSA-N | 
                                    
| LogP | 6 | 
                                    
| CAS DataBase Reference | 112-04-9(CAS DataBase Reference) | 
                                    
| NIST Chemistry Reference | Silane, trichlorooctadecyl-(112-04-9) | 
                                    
| EPA Substance Registry System | Silane, trichlorooctadecyl- (112-04-9) | 
                                    
Description and Uses
n-Octadecyltrichlorosilane is used in semiconductor industry to form self-assembled monolayer thin films on silicon dioxide substrates. Used in molecular electronics, as thin insulating gates in Metal-Insulator-Semiconductor Field-Effect Transistors. It is also used in platinum catalyzed synthesis.
Safety
| Symbol(GHS) | ![]() GHS05  | 
                                    
| Signal word | Danger | 
| Hazard statements | H314 | 
| Precautionary statements | P280-P301+P330+P331-P303+P361+P353-P305+P351+P338 | 
| Hazard Codes | C | 
| Risk Statements | 14-34-29 | 
| Safety Statements | 26-36/37/39-43-45-8 | 
| RIDADR | UN 1800 8/PG 2 | 
| WGK Germany | 1 | 
| RTECS | VV4680000 | 
| F | 10-21 | 
| TSCA | Yes | 
| HazardClass | 8 | 
| PackingGroup | II | 
| HS Code | 29319090 | 
| Hazardous Substances Data | 112-04-9(Hazardous Substances Data) | 
| Excepted Quantities | Not Permitted as Excepted Quantity | 







