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2,2'-Pyridil

Also known as: Di-2-pyridylglyoxal, Ethanedione, di-2-pyridinyl, 1,2-dipyridin-2-ylethane-1,2-dione, 1,2-bis(pyridin-2-yl)ethane-1,2-dione, Bipicolinoyl, Glyoxal, di-2-pyridyl

2,2'-Pyridil (CAS 492-73-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H8N2O2 and a molecular weight of 212.20400 g/mol. Key properties include a melting point of 154-156 °C(lit.), a boiling point of 400ºC at 760 mmHg, a density of 1.271 g/cm3 and a flash point of 198.2ºC. 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.
492-73-9
Jingsj CID
J-27178-3
Molecular Formula
C12H8N2O2
Molecular Weight
212.20400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point154-156 °C(lit.)
Boiling Point400ºC at 760 mmHg
Density1.271 g/cm3
Flash Point198.2ºC
Exact Mass212.05900
PSA59.92000
LogP1.54220
Vapor Pressure1.31E-06mmHg at 25°C
Refractive Index1.604

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 2,2'-Pyridil?

The CAS number of 2,2'-Pyridil is 492-73-9.

What are the molecular formula and molecular weight of 2,2'-Pyridil?

2,2'-Pyridil has molecular formula C12H8N2O2 and molecular weight 212.20400 g/mol.

Is 2,2'-Pyridil hazardous?

2,2'-Pyridil 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 2,2'-Pyridil?

For 2,2'-Pyridil, Upstream Products: alpha-pyridoin, 2-Pyridinecarboxaldehyde, [2,2'-Bipyridine]-6-carbaldehyde; Downstream Products: 2-Picolinic acid, 2,3-Bis(2-pyridyl)-5,6-dihydropyrazine, Methyl picolinate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,2'-Pyridil (CAS 492-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27178-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.