4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine
Also known as: 4-Pyridineboronic acid pinacol ester, 4-Pyridylboronic acid pinacol ester, pyridine-4-boronic acid pinacol ester, 2-(4-Pyridyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, pyridin-4-ylboronic acid pinacol ester, pyridine-4-boronic pinacol ester, pyridine-4-boronic pinacolate, MFCD01319051, AKOS BRN-0440
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 181219-01-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H16BNO2 and a molecular weight of 205.061 g/mol. Key properties include a melting point of 153-155 ºC, a boiling point of 300.9±15.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 135.8±20.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 181219-01-2
- Jingsj CID
- J-1402480-7
- Molecular Formula
- C11H16BNO2
- Molecular Weight
- 205.061 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 153-155 ºC |
|---|---|
| Boiling Point | 300.9±15.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 135.8±20.4 °C |
| Exact Mass | 205.127411 |
| PSA | 31.35000 |
| LogP | 1.38080 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.490 |
| Additional Property | Insoluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine?
The CAS number of 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine is 181219-01-2.
What are the molecular formula and molecular weight of 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine?
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine has molecular formula C11H16BNO2 and molecular weight 205.061 g/mol.
Is 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine hazardous?
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine?
For 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, Upstream Products: 2,3-Dimethyl-2,3-butanediol, Pyridine-4-boronic acid, Pyridine; Downstream Products: 4-(4-Bromophenyl)pyridine, 4-Methylpyridine, 2,4'-Bipyridine.
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-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 181219-01-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1402480-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.