(4-Chlorophenyl)boronic acid
Also known as: 4-Chlorophenylboronic acid, 4-chlorobenzeneboronic acid, Boronic acid, B-(4-chlorophenyl)-, p-Chlorophenylboronic acid, p-Chlorobenzeneboronic acid, para-Chlorophenylboronic acid, 4-Chlorophenylboranic acid
(4-Chlorophenyl)boronic acid (CAS 1679-18-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6BClO2 and a molecular weight of 156.375 g/mol. Key properties include a melting point of 284-289 °C(lit.), a boiling point of 295.4±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 132.4±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1679-18-1
- Jingsj CID
- J-16289-0
- Molecular Formula
- C6H6BClO2
- Molecular Weight
- 156.375 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 284-289 °C(lit.) |
|---|---|
| Boiling Point | 295.4±42.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 132.4±27.9 °C |
| Exact Mass | 156.014938 |
| PSA | 40.46000 |
| LogP | 2.18 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.558 |
| Additional Property | 2.5 g/100 mL |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Frequently Asked Questions
What is the CAS number of (4-Chlorophenyl)boronic acid?
The CAS number of (4-Chlorophenyl)boronic acid is 1679-18-1.
What are the molecular formula and molecular weight of (4-Chlorophenyl)boronic acid?
(4-Chlorophenyl)boronic acid has molecular formula C6H6BClO2 and molecular weight 156.375 g/mol.
Is (4-Chlorophenyl)boronic acid hazardous?
(4-Chlorophenyl)boronic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of (4-Chlorophenyl)boronic acid?
For (4-Chlorophenyl)boronic acid, Upstream Products: 4-chlorophenyl trifluoromethanesulfonate, 4-Bromochlorobenzene, Triisopropyl borate; Downstream Products: 4-(4-Chlorophenoxy)benzaldehyde, 4-(4-Chlorophenyl)-2-butanone, 1-(4-chlorophenyl)pentane-1,4-dione.
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-Chlorophenyl)boronic acid (CAS 1679-18-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16289-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.