2-Bromo-4,5-difluorophenol
2-溴-4,5-二氟苯酚
Also known as: 2-bromo-4,5-difluorophenol, 2-bromo-4,5-diflouo phenol, MFCD00070751, Phenol, 2-bromo-4,5-difluoro-, QR CF DF FE
2-Bromo-4,5-difluorophenol (CAS 166281-37-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H3BrF2O and a molecular weight of 208.988 g/mol. It is also known as 2-bromo-4,5-difluorophenol, 2-bromo-4,5-diflouo phenol and MFCD00070751. Key properties include a boiling point of 208.8±35.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 81.1±0.0 °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.
- 166281-37-4
- Jingsj CID
- J-44166-1
- Molecular Formula
- C6H3BrF2O
- Chinese Name
- 2-溴-4,5-二氟苯酚
- Molecular Weight
- 208.988 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 208.8±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 81.1±0.0 °C |
| Exact Mass | 207.933533 |
| PSA | 20.23000 |
| LogP | 3.04 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.550 |
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 2-Bromo-4,5-difluorophenol?
The CAS number of 2-Bromo-4,5-difluorophenol is 166281-37-4.
What are the molecular formula and molecular weight of 2-Bromo-4,5-difluorophenol?
2-Bromo-4,5-difluorophenol has molecular formula C6H3BrF2O and molecular weight 208.988 g/mol.
Is 2-Bromo-4,5-difluorophenol hazardous?
2-Bromo-4,5-difluorophenol 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. "2-Bromo-4,5-difluorophenol (CAS 166281-37-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44166-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.