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Basic Description
| Synonyms | EINECS 221-338-7 | MFCD00043053 | Trimethoxy(octyl)silane, 96% | A820568 | Lenampicillin (INN) | EC 221-338-7 | J-018069 | N-Octyltrimethoxysilane | FT-0604997 | Silane, trimethoxyoctyl- | FZ07E4LW2M | InChI=1/C11H26O3Si/c1-5-6-7-8-9-10-11-15(12-2,13-3)14 |
|---|---|
| Specifications & Purity | ≥97% |
| Storage Temp | Argon charged |
| Shipped In | Normal |
| Product Description |
Trimethoxy(octyl)silane (TMOS) is an organosilane that is used as a coupling and surface modifying agent to enhance the water contact angle and lower the surface energy Trimethoxy(octyl)silane was used for the silanization of silica nanoparticles.Surface modification of hydrophobic (T805) titania particles with the silane was reported. rimethoxy(octyl)silane (TMOS) is used to functionalize the surface of silica to promote the adhesion with gold nanoparticles (AuNPs) for use in the fabrication of acrylate nanocomposite based photonic devices. It can be coated on silica fiber based epoxy to improve the hydrophobic characteristics and to protect the surface from corrosion. |
Taxonomic Classification
Taxonomy Tree
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Kingdom
Organic compounds
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Superclass
Organometallic compounds
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Class
Organometalloid compounds
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Subclass
Organosilicon compounds
- Level5 Alkoxysilanes
- Level6 Trialkoxysilanes
- Level5 Alkoxysilanes
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Subclass
Organosilicon compounds
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Class
Organometalloid compounds
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Superclass
Organometallic compounds
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organometallic compounds |
| Class | Organometalloid compounds |
| Subclass | Organosilicon compounds |
| Intermediate Tree Nodes | Alkoxysilanes |
| Direct Parent | Trialkoxysilanes |
| Alternative Parents | Silyl ethers Organoheterosilanes Organic metalloid salts Organooxygen compounds Hydrocarbon derivatives |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Trialkoxysilane - Silyl ether - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organooxygen compound - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as trialkoxysilanes. These are organosilicon compounds with the general formula RO[Si](R')(OR'')OR''' (R-R''' = aliphatic organyl group). |
| External Descriptors | Not available |
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Names and Identifiers
| Pubchem Sid | 488185277 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488185277 |
| IUPAC Name | trimethoxy(octyl)silane |
| INCHI | InChI=1S/C11H26O3Si/c1-5-6-7-8-9-10-11-15(12-2,13-3)14-4/h5-11H2,1-4H3 |
| InChIKey | NMEPHPOFYLLFTK-UHFFFAOYSA-N |
| Smiles | CCCCCCCC[Si](OC)(OC)OC |
| Isomeric SMILES | CCCCCCCC[Si](OC)(OC)OC |
| WGK Germany | 1 |
| PubChem CID | 76485 |
| Molecular Weight | 234.41 |
| Beilstein | 1926957 |
| Reaxy-Rn | 1926957 |
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 F2523034 |
Certificate of Analysis | Jun 27, 2025 | T111255 |
| D1812118 |
Certificate of Analysis | Jun 16, 2025 | T111255 |
| K2211596 |
Certificate of Analysis | Aug 22, 2024 | T111255 |
| K2211577 |
Certificate of Analysis | Aug 22, 2024 | T111255 |
| K2211594 |
Certificate of Analysis | Aug 22, 2024 | T111255 |
| K2211595 |
Certificate of Analysis | Aug 22, 2024 | T111255 |
| K2211584 |
Certificate of Analysis | Aug 22, 2024 | T111255 |
| I2420377 |
Certificate of Analysis | Jun 19, 2024 | T111255 |
| C2216058 |
Certificate of Analysis | Dec 21, 2023 | T111255 |
| C2216052 |
Certificate of Analysis | Dec 21, 2023 | T111255 |
| C2216022 |
Certificate of Analysis | Dec 21, 2023 | T111255 |
| D1812120 |
Certificate of Analysis | Oct 13, 2023 | T111255 |
| I2107573 |
Certificate of Analysis | Jun 08, 2023 | T111255 |
| I2107574 |
Certificate of Analysis | Jun 08, 2023 | T111255 |
| I2107572 |
Certificate of Analysis | Jun 08, 2023 | T111255 |
| L1719078 |
Certificate of Analysis | Jun 06, 2023 | T111255 |
| I1521133 |
Certificate of Analysis | Mar 10, 2023 | T111255 |
| B2307246 |
Certificate of Analysis | Feb 18, 2023 | T111255 |
| G2028066 |
Certificate of Analysis | Jun 13, 2022 | T111255 |
| C2216065 |
Certificate of Analysis | Feb 15, 2022 | T111255 |
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Chemical and Physical Properties
| Solubility | Soluble in common non-polar organic solvent. |
|---|---|
| Sensitivity | Moisture sensitive. |
| Refractive Index | 1.416 |
| Flash Point(°F) | 215.6 °F |
| Flash Point(°C) | 216 °F |
| Boil Point(°C) | 75°/0.1mm |
| Molecular Weight | 234.410 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 10 |
| Exact Mass | 234.165 Da |
| Monoisotopic Mass | 234.165 Da |
| Topological Polar Surface Area | 27.700 Ų |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Complexity | 130.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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