4-Hydroxyphenylboronic acid
Also known as: 4-Boronophenol, 4-Hydroxyphenylboronic acid, 4-Hydroxybenzeneboronic acid, B-(4-Hydroxyphenyl)boronic acid, Boronic acid, B-(4-hydroxyphenyl)-, p-Hydroxyphenylboronic acid
4-Hydroxyphenylboronic acid (CAS 71597-85-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7BO3 and a molecular weight of 137.929 g/mol. Key properties include a melting point of >230 °C(lit.), a boiling point of 351.4±44.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 166.3±28.4 °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 Nov 3, 2026.
- CAS No.
- 71597-85-8
- Jingsj CID
- J-1422853-6
- Molecular Formula
- C6H7BO3
- Molecular Weight
- 137.929 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >230 °C(lit.) |
|---|---|
| Boiling Point | 351.4±44.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 166.3±28.4 °C |
| Exact Mass | 138.048828 |
| PSA | 60.69000 |
| LogP | 0.85 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.582 |
| Additional Property | 25 g/L |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Hydroxyphenylboronic acid?
The CAS number of 4-Hydroxyphenylboronic acid is 71597-85-8.
What are the molecular formula and molecular weight of 4-Hydroxyphenylboronic acid?
4-Hydroxyphenylboronic acid has molecular formula C6H7BO3 and molecular weight 137.929 g/mol.
Is 4-Hydroxyphenylboronic acid hazardous?
4-Hydroxyphenylboronic acid 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-Hydroxyphenylboronic acid?
For 4-Hydroxyphenylboronic acid, Upstream Products: 4-Bromophenol, Tributyl borate, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenol; Downstream Products: 4'-Fluoro-[1,1'-biphenyl]-4-ol, 4'-Hydroxy Flurbiprofen, Ethyl 4'-hydroxy-4-biphenylcarboxylate.
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-Hydroxyphenylboronic acid (CAS 71597-85-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422853-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.