Di(pyridin-2-yl)methanone
Also known as: Di-2-pyridyl ketone, 2,2'-Dipyridyl ketone, Bis(2-pyridyl) ketone, 2,2'-Carbonyldipyridine, Dipyridylketone, Di(2-pyridinyl)methanone, Dipyridin-2-ylmethanone, 2-Pyridyl ketone, NSC 174057, Methanone, di-2-pyridinyl-
Di(pyridin-2-yl)methanone (CAS 19437-26-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8N2O and a molecular weight of 184.19 g/mol. Key properties include a melting point of 52-55 °C(lit.), a boiling point of 343.5±17.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 165.7±27.4 °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.
- 19437-26-4
- Jingsj CID
- J-44001-7
- Molecular Formula
- C11H8N2O
- Molecular Weight
- 184.19 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 52-55 °C(lit.) |
|---|---|
| Boiling Point | 343.5±17.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 165.7±27.4 °C |
| Exact Mass | 184.063660 |
| PSA | 42.85000 |
| LogP | 0.58 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.594 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory 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 Di(pyridin-2-yl)methanone?
The CAS number of Di(pyridin-2-yl)methanone is 19437-26-4.
What are the molecular formula and molecular weight of Di(pyridin-2-yl)methanone?
Di(pyridin-2-yl)methanone has molecular formula C11H8N2O and molecular weight 184.19 g/mol.
Is Di(pyridin-2-yl)methanone hazardous?
Di(pyridin-2-yl)methanone 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 Di(pyridin-2-yl)methanone?
For Di(pyridin-2-yl)methanone, Upstream Products: 2-Methylpyridine, alpha-pyridoin, Ethyl N-methoxy-N-methylcarbamate; Downstream Products: 3-(pyridin-2-yl)-[1,2,3]triazolo[1,5-a]pyridine, Methyl picolinate, Bis(2-pyridyl)methane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Di(pyridin-2-yl)methanone (CAS 19437-26-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44001-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.