| Trimethoxyoctadecylsilane |
| CAS: 3069-42-9 |
| Date Updated: 2021-04-06 |



| Solubility Theory |
| Hansen Solubility Parameters ? |
| D: 13.93 | P: 1.65 | H: 1.31 |
| SMILES ? : C([Si](OC)(OC)OC)CCCCCCCCCCCCCCCCC |
| EHS Information |
| SDS Link |
| Hazard Overview: None |
| NFPA Health Rating: 0 |
| NFPA Flame Rating: 1 |
| Compatible Glove Type: Unknown |
| Physical Properties | ||
| Melting Point: 17 °C | Vapor Pressure: N/A | |
| Boiling Point ? : 170 °C | Refractive Index ? : 1.439 | |
| Flash Point: 140 °C | Relative Evaporation Rate (RER): N/A | |
| MWt: 374.67 g/mol | Water Solubility: N/A | |
| MVol ? : 424.315 | Viscosity: N/A | |
| Density: 0.883 g/L | Formula: C21H46O3Si | |
| Other Names: Octadecyltrimethoxysilane; Stearyltrimethoxysilane |
| Cost and Manufacturers (*prices are estimated) |
| Average Lab Cost: $5.68/g |
| Average Bulk Cost: $310.48/lb. |
| Lab Size | |||
| TCI America | 22.125g | $79.00 | |
| Sigma Aldrich | 22.125g | $123.00 | |
| Santa Cruz Biotech | 4.425g | $35.00 | |
| Bulk | |||
| Gelest | 2000g | $556.00 | |
| Molbase | 1000g | $1091.00 |