1,4-Difluorobenzene
Also known as: p-difluorobenzene, para-Difluorobenzene, 1,4-difluoro-benzene, Benzene,1,4-difluoro-, 2,5-difluorobenzene
1,4-Difluorobenzene (CAS 540-36-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4F2 and a molecular weight of 114.093 g/mol. Key properties include a melting point of -13 °C, a boiling point of 90.4±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 2.2±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 540-36-3
- Jingsj CID
- J-2908-3
- Molecular Formula
- C6H4F2
- Molecular Weight
- 114.093 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -13 °C |
|---|---|
| Boiling Point | 90.4±13.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 2.2±0.0 °C |
| Exact Mass | 114.028107 |
| LogP | 2.39 |
| Vapor Pressure | 63.6±0.2 mmHg at 25°C |
| Refractive Index | 1.449 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
Customs & Trade Information
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons 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 1,4-Difluorobenzene?
The CAS number of 1,4-Difluorobenzene is 540-36-3.
What are the molecular formula and molecular weight of 1,4-Difluorobenzene?
1,4-Difluorobenzene has molecular formula C6H4F2 and molecular weight 114.093 g/mol.
Is 1,4-Difluorobenzene hazardous?
1,4-Difluorobenzene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
What are the upstream and downstream products of 1,4-Difluorobenzene?
For 1,4-Difluorobenzene, Upstream Products: 1-fluoro-4-(trimethylsilyl)benzene, 4-Fluorophenol, 4-Fluorobenzeneboronic acid; Downstream Products: 3-Fluorobenzoic acid, 1-bromo-2,5-difluorobenzene, 1,4-Dibromo-2,5-difluorobenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4-Difluorobenzene (CAS 540-36-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2908-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.