ChemicalBook >> CAS DataBase List >>n-Octadecyldimethylmethoxysilane
n-Octadecyldimethylmethoxysilane
- CAS No.
- 71808-65-6
- Chemical Name:
- n-Octadecyldimethylmethoxysilane
- Synonyms
- DK374;DK874;DIMETHYLMETHOXYOCTADECYLSILANE;DIMETHYLOCTADECYLMETHOXYSILANE;OCTADECYLDIMETHYLMETHOXYSILANE;Octadecylmethoxydimethylsilane;Methoxy(dimethyl)octadecylsilane;Silane,methoxydimethyloctadecyl-;n-Octadecyldimethylmethoxysilane;n-Octadecyldimethylmethoxysilane92%
- CBNumber:
- CB0678177
- Molecular Formula:
- C21H46OSi
- Molecular Weight:
- 342.67
- MDL Number:
- MFCD00042920
- MOL File:
- 71808-65-6.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-09-12 18:48:27
| Boiling point | 184 °C |
|---|---|
| Density | 0.83 g/mL at 25 °C (lit.) |
| refractive index |
n |
| Flash point | >110°C |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.83 |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 7346074 |
| InChI | 1S/C21H46OSi/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-23(3,4)22-2/h5-21H2,1-4H3 |
| InChIKey | RUFRLNPHRPYBLF-UHFFFAOYSA-N |
| SMILES | CCCCCCCCCCCCCCCCCC[Si](C)(C)OC |
| CAS DataBase Reference | 71808-65-6 |
| EPA Substance Registry System | Silane, methoxydimethyloctadecyl- (71808-65-6) |
| UNSPSC Code | 12352103 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| F | 21 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2931.90.9010 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| NFPA 704 |
|
n-Octadecyldimethylmethoxysilane price More Price(16)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 40955 | Methoxy(dimethyl)octadecylsilane technical, ≥90% (GC) | 71808-65-6 | 25ml | $288 | 2023-06-20 | Buy |
| TCI Chemical | M3011 | Methoxy(dimethyl)octadecylsilane >90.0%(GC) | 71808-65-6 | 5mL | $45 | 2026-04-30 | Buy |
| TCI Chemical | M3011 | Methoxy(dimethyl)octadecylsilane >90.0%(GC) | 71808-65-6 | 25mL | $155 | 2026-04-30 | Buy |
| Biosynth | WCA80865 | Methoxy(dimethyl)octadecylsilane | 71808-65-6 | 5g | $900 | 2026-06-05 | Buy |
| Biosynth | WCA80865 | Methoxy(dimethyl)octadecylsilane | 71808-65-6 | 50g | $900 | 2026-06-05 | Buy |
n-Octadecyldimethylmethoxysilane Chemical Properties, Uses, Production
Uses
Silica spheres for HPLC colums were reported to be functionalized with methoxy(dimethyl) octadecylsilane. 1 Methoxy(dimethyl) octadecylsilane may be grafted on the surface of ZnO nanoparticles. 2
General Description
Methoxy(dimethyl)octadecylsilane(MDOS) is an organosilane with one methoxy group. It is a silane coupling agent which forms a self-assembled monolayer(SAM) on a variety of particles.
n-Octadecyldimethylmethoxysilane Preparation Products And Raw materials
Raw materials
Preparation Products
Global Suppliers ( 93)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
| TOKYO CHEMICAL INDUSTRY CO., LTD. | 03-36680489 | Sales-JP@TCIchemicals.com | Japan | 28364 | 80 |
| TCI Europe | 320-37350700 | sales@tcieurope.eu | Europe | 23654 | 75 |
| TCI AMERICA | 800-4238616 | sales@tciamerica.com | Americas | 23636 | 75 |
| Shanghai Gileader Advanced Material Technology Co.,Ltd | 18516111942 | 823898732@qq.com | China | 1356 | 56 |
| Sigma-Aldrich | 021-61415566 800-8193336 | orderCN@merckgroup.com | China | 51389 | 80 |
| Tongling HengYou Biotechnology Co., Ltd. | 021-50426030 13856289449;13124863828 | 2630597085@qq.com | China | 1885 | 55 |
| Shanghai Enchem Industry Co., Ltd. | 15021317485 | China | 1403 | 58 |
71808-65-6 (n-Octadecyldimethylmethoxysilane) Related Search:
OCTADECYLDIMETHYLMETHOXYSILANE
DIMETHYLOCTADECYLMETHOXYSILANE
DIMETHYLMETHOXYOCTADECYLSILANE
Methoxy(dimethyl)octadecylsilane
n-Octadecyldimethylmethoxysilane92%
Octadecylmethoxydimethylsilane
Dimethylmethoxyoctadecylsilane, Dimethyloctadecylmethoxysilane, Octadecyldimethylmethoxysilane
Silane,methoxydimethyloctadecyl-
DK874
DK374
dimethylmethoxyndecaoctasiliconalkane
n-Octadecyldimethylmethoxysilane
71808-65-6
71808-65-5
C21H46OSi
Organometallic Reagents
Organosilicon
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