2,4-Difluorobenzonitrile
Also known as: 2,4-Difluorobenzenecarbonitrile, 1-cyano-2,4-difluorobenzene, 1,3-Difluor-4-cyanobenzol, Benzonitrile, 2,4-difluoro-, 2,4-Difluoro benzonitrile, 2,4-Difluorobenzonitril, 2,4-difluoro-benzonitrile, NCR BF DF, MFCD00009826
2,4-Difluorobenzonitrile (CAS 3939-09-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3F2N and a molecular weight of 139.102 g/mol. Key properties include a melting point of 47-49 °C(lit.), a boiling point of 181.6±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 63.6±21.8 °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.
- 3939-09-1
- Jingsj CID
- J-1385851-0
- Molecular Formula
- C7H3F2N
- Molecular Weight
- 139.102 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 47-49 °C(lit.) |
|---|---|
| Boiling Point | 181.6±20.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 63.6±21.8 °C |
| Exact Mass | 139.023361 |
| PSA | 23.79000 |
| LogP | 1.59 |
| Vapor Pressure | 0.8±0.3 mmHg at 25°C |
| Refractive Index | 1.486 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,4-Difluorobenzonitrile?
The CAS number of 2,4-Difluorobenzonitrile is 3939-09-1.
What are the molecular formula and molecular weight of 2,4-Difluorobenzonitrile?
2,4-Difluorobenzonitrile has molecular formula C7H3F2N and molecular weight 139.102 g/mol.
Is 2,4-Difluorobenzonitrile hazardous?
2,4-Difluorobenzonitrile 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 2,4-Difluorobenzonitrile?
For 2,4-Difluorobenzonitrile, Upstream Products: 1-Chloro-2,4-difluorobenzene, Zinc cyanide, 1-Bromo-2,4-difluorobenzene; Downstream Products: 6-Fluoro-1H-indazol-3-amine, 2-Fluorobenzonitrile, 4-fluoro-2-methoxybenzonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Difluorobenzonitrile (CAS 3939-09-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1385851-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.