4-(tert-Butyldimethylsilyloxy)phenylboronic acid
Also known as: 4-(tert-Butyldimethylsiloxy)phenyl boronic acid, 4-(tert-Butyldimethylsilyloxy)benzeneboronic acid, (4-((tert-Butyldimethylsilyl)oxy)phenyl)boronic acid, [4-(tert-Butyldimethylsilanyloxy)phenyl]boronic acid, 4-(TERT-BUTYLDIMETHYLSILYLOXY)PHENYLBORONIC ACID, 4-(T-BUTYL DIMETHYLSILOXY) PHENYL BORONIC ACID, Boronic acid, B-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]-, AKOS BRN-0412, MFCD03093888
4-(tert-Butyldimethylsilyloxy)phenylboronic acid (CAS 159191-56-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H21BO3Si and a molecular weight of 252.190 g/mol. Key properties include a melting point of 194-198ºC(lit.), a boiling point of 321.4±44.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 148.2±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 159191-56-7
- Jingsj CID
- J-16509-3
- Molecular Formula
- C12H21BO3Si
- Molecular Weight
- 252.190 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 194-198ºC(lit.) |
|---|---|
| Boiling Point | 321.4±44.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 148.2±28.4 °C |
| Exact Mass | 252.135300 |
| PSA | 49.69000 |
| LogP | -0.02 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.490 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-(tert-Butyldimethylsilyloxy)phenylboronic acid?
The CAS number of 4-(tert-Butyldimethylsilyloxy)phenylboronic acid is 159191-56-7.
What are the molecular formula and molecular weight of 4-(tert-Butyldimethylsilyloxy)phenylboronic acid?
4-(tert-Butyldimethylsilyloxy)phenylboronic acid has molecular formula C12H21BO3Si and molecular weight 252.190 g/mol.
What are the upstream and downstream products of 4-(tert-Butyldimethylsilyloxy)phenylboronic acid?
For 4-(tert-Butyldimethylsilyloxy)phenylboronic acid, Upstream Products: (4-bromophenoxy)-tert-butyldimethylsilane, 4-Hydroxyphenylboronic acid, tert-Butyldimethylchlorosilane; Downstream Products: 4'-Fluoro-[1,1'-biphenyl]-4-ol, 4'-hydroxy-[1,1'-biphenyl]-4-carbaldehyde, tert-butyl (3R,4R)-3-hydroxy-4-(4-hydroxyphenyl)piperidine-1-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(tert-Butyldimethylsilyloxy)phenylboronic acid (CAS 159191-56-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16509-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.