Trimethoxyphenylsilane
- CAS No.
- 2996-92-1
- Chemical Name:
- Trimethoxyphenylsilane
- Synonyms
- TRIMETHOXYPHENYLSILANE;TrimethoxyphenyL;trimethoxyphenyl-silan;X170;A 153;HD-127;CP0330;KH-610;Z-6124;KH-631
- CBNumber:
- CB7158807
- Molecular Formula:
- C9H14O3Si
- Molecular Weight:
- 198.29
- MDL Number:
- MFCD00025689
- MOL File:
- 2996-92-1.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| Trimethoxyphenylsilane for synthesis | 8.43658 | 50mL | $97.4 |
| Trimethoxyphenylsilane 97% | 104744 | 50ml | $52.82 |
| Trimethoxyphenylsilane 97% | 104744 | 250ml | $124.45 |
| Trimethoxyphenylsilane >98.0%(GC) | P0857 | 25mL | $17 |
| Trimethoxyphenylsilane >98.0%(GC) | P0857 | 100mL | $37 |
| More product size | |||
| Melting point | -25°C |
|---|---|
| Boiling point | 233 °C(lit.) |
| Density | 1.062 g/mL at 25 °C(lit.) |
| vapor pressure | 0-12790Pa at 20-25℃ |
| refractive index |
n |
| Flash point | 99 °F |
| storage temp. | Inert atmosphere,2-8°C |
| form | liquid |
| color | colorless |
| Specific Gravity | 1.064 |
| Odor | Mild odor |
| Viscosity | 2.1mm2/s |
| Water Solubility | Reacts with water. |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 2937896 |
| InChI | 1S/C9H14O3Si/c1-10-13(11-2,12-3)9-7-5-4-6-8-9/h4-8H,1-3H3 |
| InChIKey | ZNOCGWVLWPVKAO-UHFFFAOYSA-N |
| SMILES | CO[Si](OC)(OC)c1ccccc1 |
| LogP | -0.74-2 at 22℃ |
| CAS DataBase Reference | 2996-92-1(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | 21TQE746S9 |
| NIST Chemistry Reference | Silane, trimethoxyphenyl-(2996-92-1) |
| EPA Substance Registry System | Silane, trimethoxyphenyl- (2996-92-1) |
| UNSPSC Code | 12352300 |
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |    GHS02,GHS07,GHS08 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H226-H302-H373 | |||||||||
| Precautionary statements | P210-P233-P240-P241-P301+P312-P314 | |||||||||
| PPE | Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | T,Xi,Xn | |||||||||
| Risk Statements | 10-36/37/38-68/20/21/22-20/21/22-14 | |||||||||
| Safety Statements | 7-16-26-36/37-45-37/39-36 | |||||||||
| RIDADR | UN 1992 3/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | VV5252000 | |||||||||
| F | 10-21 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 3.2 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29319090 | |||||||||
| Storage Class | 3 - Flammable liquids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral Flam. Liq. 3 Skin Corr. 1B STOT RE 2 STOT SE 2 |
|||||||||
| NFPA 704 |
|
Trimethoxyphenylsilane price More Price(17)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 8.43658 | Trimethoxyphenylsilane for synthesis | 2996-92-1 | 50mL | $97.4 | 2025-07-31 | Buy |
| Sigma-Aldrich | 104744 | Trimethoxyphenylsilane 97% | 2996-92-1 | 50ml | $52.82 | 2025-07-31 | Buy |
| Sigma-Aldrich | 104744 | Trimethoxyphenylsilane 97% | 2996-92-1 | 250ml | $124.45 | 2025-07-31 | Buy |
| TCI Chemical | P0857 | Trimethoxyphenylsilane >98.0%(GC) | 2996-92-1 | 25mL | $17 | 2025-07-31 | Buy |
| TCI Chemical | P0857 | Trimethoxyphenylsilane >98.0%(GC) | 2996-92-1 | 100mL | $37 | 2025-07-31 | Buy |
Trimethoxyphenylsilane Chemical Properties,Uses,Production
Chemical Properties
Colorless transparent liquid
Uses
An organosilicate compound for nanoelectronics and material science research.
Uses
Phenyltrimethoxysilane is used for nanoelectronics and material science research. It is used as crosslinking agent for silicone resin and to produce polymer organic silicon compound.
Uses
TMPS can also be used in the preparation of polytrimethoxyphenylsilane (PTMS) that facilitates the removal of graphene after chemical vapor deposition (CVD). Molecularly imprinted sol gels can be synthesized by using TMPS for the fabrication of localized surface plasmon resonance (LSPR).
General Description
Trimethoxyphenylsilane (TMPS) is an organotrialkoxysilane that is used as a functional monomer in the sol-gel processing.
Flammability and Explosibility
Flammable
Purification Methods
Fractionate it through an efficient column but note that it forms an azeotrope with MeOH which is a likely impurity. [Kantor J Am Chem Soc 75 2712 1953 Beilstein 16 IV 1556.]
Advantages
The polymer molecule generated from phenyltrimethoxysilane contains a rigid hydrophobic group benzene ring and a water-permeable and breathable silica chain. It has surface activity and weather resistance and can be used as an additive in the coating industry, phenyl silica. Introducing chain links can significantly improve thermoelasticity, mechanical properties, and resin adhesion. Therefore, phenyl silicone resin is widely used as high-temperature-resistant electrical insulating paint, high-temperature-resistant coatings, and molding packaging materials.
Toxics Screening Level
The initial threshold screening level (ITSL) for phenyltrimethoxysilane is 60 μg/m3 based on an annual averaging time.
Trimethoxyphenylsilane Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Dongguan City Betterly New Materials co.,Ltd | +86-13713468294 | sadie@betely.com | China | 39 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8753 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-13131129325 | sales1@chuanghaibio.com | China | 5242 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20128 | 58 |
| airuikechemical co., ltd. | +86-18353166132 | sales02@airuikechemical.com | China | 983 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 13800 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21596 | 55 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 33024 | 60 |
| Jinan Finer Chemical Co., Ltd | +86-531-88989536 +86-15508631887 | sales@finerchem.com | China | 2950 | 58 |
| SHANGHAI T&W PHARMACEUTICAL CO., LTD. | +86-021-61551413 +8618813727289 | contact@trustwe.com | China | 5742 | 58 |
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- Jul 3，2025
View Lastest Price from Trimethoxyphenylsilane manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-02-25 | Phenyltrimethoxysilane
2996-92-1
|
US $0.00 / KG | 1KG | 99% | 1000mt/year | Jinan Finer Chemical Co., Ltd | |
 |
2026-02-25 | Trimethoxyphenylsilane
2996-92-1
|
US $0.00-0.00 / kg | 0.001kg | 99.99% | 2000000kg | Anhuyan (Hainan) Biotechnology Co., LTD | |
 |
2026-01-30 | Phenyltrimethoxysilane
2996-92-1
|
US $10.00 / KG | 1KG | 99% | 10 mt | Hebei Chuanghai Biotechnology Co., Ltd |
-
- Phenyltrimethoxysilane
2996-92-1
- US $0.00 / KG
- 99%
- Jinan Finer Chemical Co., Ltd
-
- Trimethoxyphenylsilane
2996-92-1
- US $0.00-0.00 / kg
- 99.99%
- Anhuyan (Hainan) Biotechnology Co., LTD
-
- Phenyltrimethoxysilane
2996-92-1
- US $10.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
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