![Molecular structure of 2-[(Difluoromethyl)sulfonyl]pyridine (CAS 1219454-89-3)](/images/chem_structures_svg/322/1219454-89-3.svg)
2-[(Difluoromethyl)sulfonyl]pyridine
Also known as: 2-(Difluoromethanesulfonyl)pyridine, 2-(difluoromethylsulfonyl)pyridine, 2-PySO2CF2H, Difluoromethyl 2-Pyridyl Sulfone, Hu Reagent, Pyridine, 2-[(difluoromethyl)sulfonyl]-
2-[(Difluoromethyl)sulfonyl]pyridine (CAS 1219454-89-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5F2NO2S and a molecular weight of 193.171 g/mol. Key properties include a boiling point of 324.4±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 150.0±27.9 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1219454-89-3
- Jingsj CID
- J-1403906-6
- Molecular Formula
- C6H5F2NO2S
- Molecular Weight
- 193.171 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 324.4±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 150.0±27.9 °C |
| Exact Mass | 193.000900 |
| PSA | 55.41000 |
| LogP | 0.38 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.475 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-[(Difluoromethyl)sulfonyl]pyridine?
The CAS number of 2-[(Difluoromethyl)sulfonyl]pyridine is 1219454-89-3.
What are the molecular formula and molecular weight of 2-[(Difluoromethyl)sulfonyl]pyridine?
2-[(Difluoromethyl)sulfonyl]pyridine has molecular formula C6H5F2NO2S and molecular weight 193.171 g/mol.
Is 2-[(Difluoromethyl)sulfonyl]pyridine hazardous?
2-[(Difluoromethyl)sulfonyl]pyridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-[(Difluoromethyl)sulfonyl]pyridine?
For 2-[(Difluoromethyl)sulfonyl]pyridine, Upstream Products: 2-Mercaptopyridine; Downstream Products: 2(1H)-Pyridone.
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-[(Difluoromethyl)sulfonyl]pyridine (CAS 1219454-89-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403906-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.