4-Methyl-β-styrylboronic acid pinacol ester
Also known as: (E)-4,4,5,5-Tetramethyl-2-(4-methylstyryl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-[2-(4-methylphenyl)ethenyl]-1,3,2-dioxaborolane, 4-Methyl-beta-styrylboronic acid pinacol ester, MFCD03788749
4-Methyl-β-styrylboronic acid pinacol ester (CAS 149777-84-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H21BO2 and a molecular weight of 244.13700 g/mol. Key properties include a melting point of 56-58ºC, a boiling point of 292.3ºC at 760mmHg, a density of 0.98g/cm3 and a flash point of 130.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 149777-84-4
- Jingsj CID
- J-8884-6
- Molecular Formula
- C15H21BO2
- Molecular Weight
- 244.13700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 56-58ºC |
|---|---|
| Boiling Point | 292.3ºC at 760mmHg |
| Density | 0.98g/cm3 |
| Flash Point | 130.6ºC |
| Exact Mass | 244.16300 |
| PSA | 18.46000 |
| LogP | 3.63960 |
| Vapor Pressure | 0.003mmHg at 25°C |
| Refractive Index | 1.505 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4-Methyl-β-styrylboronic acid pinacol ester?
The CAS number of 4-Methyl-β-styrylboronic acid pinacol ester is 149777-84-4.
What are the molecular formula and molecular weight of 4-Methyl-β-styrylboronic acid pinacol ester?
4-Methyl-β-styrylboronic acid pinacol ester has molecular formula C15H21BO2 and molecular weight 244.13700 g/mol.
What are the upstream and downstream products of 4-Methyl-β-styrylboronic acid pinacol ester?
For 4-Methyl-β-styrylboronic acid pinacol ester, Upstream Products: 4-Iodotoluene, Pinacol vinylboronate, 4-Tolylboronic acid.
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-Methyl-β-styrylboronic acid pinacol ester (CAS 149777-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8884-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.