4,5-Dibromobenzene-1,2-diol
Also known as: 4,5-Dibromo-1,2-benzenediol, 4,5-Dibromocatechol, 4,5-dibromo-1,2-dihydroxybenzene, 4,5-dibromopyrocatechol, 1,2-Benzenediol,4,5-dibromo, dibromocatechol, NSC10858, MFCD00233157, ZINC00254871, BEN009, 550248_SIAL, AmbscLK-48
4,5-Dibromobenzene-1,2-diol (CAS 2563-26-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H4Br2O2 and a molecular weight of 267.90300 g/mol. Key properties include a boiling point of 328.5ºC at 760mmHg, a density of 2.257g/cm3 and a flash point of 152.5ºC. 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.
- 2563-26-0
- Jingsj CID
- J-41116-5
- Molecular Formula
- C6H4Br2O2
- Molecular Weight
- 267.90300 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 328.5ºC at 760mmHg |
|---|---|
| Density | 2.257g/cm3 |
| Flash Point | 152.5ºC |
| Exact Mass | 265.85800 |
| PSA | 40.46000 |
| LogP | 2.62280 |
| Vapor Pressure | 9.89E-05mmHg at 25°C |
| Refractive Index | 1.69 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2908199090 |
|---|---|
| Summary | HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4,5-Dibromobenzene-1,2-diol?
The CAS number of 4,5-Dibromobenzene-1,2-diol is 2563-26-0.
What are the molecular formula and molecular weight of 4,5-Dibromobenzene-1,2-diol?
4,5-Dibromobenzene-1,2-diol has molecular formula C6H4Br2O2 and molecular weight 267.90300 g/mol.
Is 4,5-Dibromobenzene-1,2-diol hazardous?
4,5-Dibromobenzene-1,2-diol 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 4,5-Dibromobenzene-1,2-diol?
For 4,5-Dibromobenzene-1,2-diol, Upstream Products: Catechol, 1,2-Dibromo-4,5-dimethoxybenzene, 2,2-Dimethyl-1,3-benzodioxole; Downstream Products: 1,2-Dibromo-4,5-dimethoxybenzene, 5,6-Dibromo-1,3-benzodioxole, 4,5-dihydroxy-1,2-benzenedicarbonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Dibromobenzene-1,2-diol (CAS 2563-26-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41116-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.