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alpha-pyridoin

Also known as: 2-hydroxy-1,2-di(2-pyridinyl)ethanone, 2-hydroxy-1,2-di(pyridin-2-yl)ethanone, 1,2-bis(2-pyridinyl)-2-hydroxyethanone, 2-pyridoin, NSC24017, EINECS 214-526-5

alpha-pyridoin (CAS 1141-06-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H10N2O2 and a molecular weight of 214.22000 g/mol. Key properties include a melting point of 156-160ºC(lit.), a boiling point of 387.6ºC at 760mmHg, a density of 1.287g/cm3 and a flash point of 188.2ºC. 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.
1141-06-6
Jingsj CID
J-1335167-2
Molecular Formula
C12H10N2O2
Molecular Weight
214.22000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point156-160ºC(lit.)
Boiling Point387.6ºC at 760mmHg
Density1.287g/cm3
Flash Point188.2ºC
Exact Mass214.07400
PSA63.08000
LogP1.39290
Vapor Pressure1.06E-06mmHg at 25°C
Refractive Index1.62

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 alpha-pyridoin?

The CAS number of alpha-pyridoin is 1141-06-6.

What are the molecular formula and molecular weight of alpha-pyridoin?

alpha-pyridoin has molecular formula C12H10N2O2 and molecular weight 214.22000 g/mol.

Is alpha-pyridoin hazardous?

alpha-pyridoin 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 alpha-pyridoin?

For alpha-pyridoin, Upstream Products: 2-Pyridinecarboxaldehyde, acrylic acid methyl ester, 2-Methylpyridine; Downstream Products: 2,2'-Pyridil, 2-Picolinic acid, tetra-2-pyridinylpyrazine.

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

Last updated:

How to cite: Jingsj. "alpha-pyridoin (CAS 1141-06-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1335167-2 (accessed 2026-11-09).

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