Octadecyltrimethoxysilane
- Product NameOctadecyltrimethoxysilane
- CAS3069-42-9
- CBNumberCB3403134
- MFC21H46O3Si
- MW374.67
- EINECS221-339-2
- MDL NumberMFCD00043060
- MOL File3069-42-9.mol
Chemical Properties
| Melting point: | 16 to 17 °C (61 to 63 °F; 289 to 290 K) |
| Boiling point: | 170 °C (338 °F; 443 K) |
| Density | 0.883 g cm−3 |
| vapor pressure | 0.001Pa at 25℃ |
| refractive index | 1.438-1.44 |
| Flash point: | 140 °C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Chloroform (Slightly) |
| form | liquid |
| color | Colorless |
| Specific Gravity | 0.883 |
| Water Solubility | 190-437000ng/L at 20℃ |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 5791830 |
| Stability: | Stable. Incompatible with strong oxidizing agents. Moisture sensitive. |
| InChI | 1S/C21H46O3Si/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-25(22-2,23-3)24-4/h5-21H2,1-4H3 |
| InChIKey | SLYCYWCVSGPDFR-UHFFFAOYSA-N |
| SMILES | CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC |
| LogP | 6 |
| CAS DataBase Reference | 3069-42-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Octadecyltrimethoxysilane(3069-42-9) |
| EPA Substance Registry System | Silane, trimethoxyoctadecyl- (3069-42-9) |
Safety
| Symbol(GHS) |
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| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P280-P261 | |||||||||
| PPE | Eyeshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 1 | |||||||||
| F | 10-21 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2931900090 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704: |
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