Triphenylsilanol
- CAS No.
- 791-31-1
- Chemical Name:
- Triphenylsilanol
- Synonyms
- LS 6400;CFS-311;DKSI086;DKFELEX0283;riphenylsilanol;TRIPHENYLSILANOL;triphenyl-silano;Silanol,triphenyl-;Co-Formula CFS-311;Triphenylsilanol,98%
- CBNumber:
- CB3176674
- Molecular Formula:
- C18H16OSi
- Molecular Weight:
- 276.4
- MDL Number:
- MFCD00002102
- MOL File:
- 791-31-1.mol
- MSDS File:
- SDS
| Melting point | 150-153 °C (lit.) |
|---|---|
| Boiling point | 389 °C [760mmHg] |
| Density | 1.13 |
| refractive index | 1.628 |
| Flash point | >200°C |
| storage temp. | Inert atmosphere,Room Temperature |
| form | Powder |
| pka | 13.39±0.58(Predicted) |
| color | white |
| Water Solubility | reacts |
| Sensitive | Air Sensitive |
| Hydrolytic Sensitivity | 4: no reaction with water under neutral conditions |
| BRN | 985007 |
| InChIKey | NLSXASIDNWDYMI-UHFFFAOYSA-N |
| CAS DataBase Reference | 791-31-1(CAS DataBase Reference) |
| FDA UNII | AZC8O4TTX4 |
| NIST Chemistry Reference | Silanol, triphenyl-(791-31-1) |
| EPA Substance Registry System | Silanol, triphenyl- (791-31-1) |
| UNSPSC Code | 12352103 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | VV4325500 | |||||||||
| F | 21 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 29310095 | |||||||||
| NFPA 704 |
|
Triphenylsilanol price More Price(21)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 143723 | Triphenylsilanol 98% | 791-31-1 | 25g | $143 | 2023-01-07 | Buy |
| TCI Chemical | T0945 | Triphenylsilanol >98.0%(GC) | 791-31-1 | 25g | $81 | 2025-07-31 | Buy |
| TCI Chemical | T0945 | Triphenylsilanol >98.0%(GC) | 791-31-1 | 250g | $457 | 2025-07-31 | Buy |
| Strem Chemicals | 93-1468 | Triphenylsilanol, min. 98% | 791-31-1 | 2g | $26 | 2024-03-01 | Buy |
| Strem Chemicals | 93-1468 | Triphenylsilanol, min. 98% | 791-31-1 | 10g | $71 | 2024-03-01 | Buy |
Triphenylsilanol Chemical Properties,Uses,Production
Chemical Properties
White crystal
Uses
Triphenylsilanol is used as a water surrogate for regioselective Pd catalyzed allylations. A thick on germanium substrates have been produced by the electron bombardment of an evaporated thin film of triphenylsilanol.
Definition
ChEBI: An organosilanol in which silicon is bonded to a single hydroxy function and to three phenyl groups.
Purification Methods
It is purified by dissolving in pet ether, passing through an Al2O3 column, eluting thoroughly with CCl4 to remove impurities and then eluting the silanol with MeOH. Evaporation gives crystals with m 153-155o. It can be recrystallised from pet ether, CCl4 or from *benzene or Et2O/pet ether (1:1). It has also been recrystallised by partial freezing from the melt to constant melting point. [George & Gilman J Am Chem Soc 81 3288 1959, IR: Tatlock & Rochow J Org Chem 17 1555 1952 and Richards & Thompson J Chem Soc 124 1949, Beilstein 16 IV 1480.]
Triphenylsilanol Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 12826 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21622 | 55 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 33024 | 60 |
| Tianjin Zhongxin Chemtech Co., Ltd. | 86-22-66880623 +8618622897568 | sales@tjzxchem.com | China | 572 | 58 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29855 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28172 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63687 | 58 |
| Hubei Co-Formula Material Tech Co., Ltd. | +86-27-84459282 | sales@cfmats.com | CHINA | 882 | 58 |
| BEYOND INDUSTRIES (CHINA) LIMITED | +86-21-52699951; +8613917686115 | sales@beyondindustriesgroup.com | China | 699 | 58 |
| Zhengzhou Alfa Chemical Co.,Ltd | +8618530059196 | sale04@alfachem.cn | China | 12434 | 58 |
View Lastest Price from Triphenylsilanol manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-08-01 | Triphenylsilanol
791-31-1
|
US $0.00 / KG | 1KG | 98%min | 30tons/month | WUHAN FORTUNA CHEMICAL CO., LTD | |
 |
2020-07-05 | Triphenylsilanol;Hydroxytriphenylsilane;LS 6400;CFS-311
791-31-1
|
US $52.00 / KG | 1KG | 0.98 | 10MT/month | Hubei Co-Formula Material Tech Co., Ltd. | |
 |
2019-07-06 | Triphenylsilanol
791-31-1
|
US $1.00 / kg | 1kg | 99% | 100KG | Career Henan Chemical Co |
-
- Triphenylsilanol
791-31-1
- US $0.00 / KG
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- Triphenylsilanol;Hydroxytriphenylsilane;LS 6400;CFS-311
791-31-1
- US $52.00 / KG
- 0.98
- Hubei Co-Formula Material Tech Co., Ltd.
-
- Triphenylsilanol
791-31-1
- US $1.00 / kg
- 99%
- Career Henan Chemical Co
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