5-Chloropyridine-3-boronic acid
5-氯吡啶-3-硼酸
Also known as: (5-Chloropyridin-3-yl)boronic acid, 5-Chloro-3-pyridineboronic acid, 3-Chloro-5-pyridylboronic acid, 5-CHLORO-3-PYRIDINYL BORONIC ACID, 5-CHLOROPYRIDIN-3-YLBORONIC ACID
5-Chloropyridine-3-boronic acid (CAS 872041-85-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5BClNO2 and a molecular weight of 157.363 g/mol. It is also known as (5-Chloropyridin-3-yl)boronic acid, 5-Chloro-3-pyridineboronic acid and 3-Chloro-5-pyridylboronic acid. Key properties include a melting point of 255-260ºC, a boiling point of 335.3±52.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 156.6±30.7 °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.
- 872041-85-5
- Jingsj CID
- J-21318-5
- Molecular Formula
- C5H5BClNO2
- Chinese Name
- 5-氯吡啶-3-硼酸
- Molecular Weight
- 157.363 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 255-260ºC |
|---|---|
| Boiling Point | 335.3±52.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 156.6±30.7 °C |
| Exact Mass | 157.010193 |
| PSA | 53.35000 |
| LogP | 0.94 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.559 |
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 5-Chloropyridine-3-boronic acid?
The CAS number of 5-Chloropyridine-3-boronic acid is 872041-85-5.
What are the molecular formula and molecular weight of 5-Chloropyridine-3-boronic acid?
5-Chloropyridine-3-boronic acid has molecular formula C5H5BClNO2 and molecular weight 157.363 g/mol.
Is 5-Chloropyridine-3-boronic acid hazardous?
5-Chloropyridine-3-boronic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloropyridine-3-boronic acid (CAS 872041-85-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21318-5 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.