Di-2-pyridyl ketoxime

二(2-吡啶)酮肟

Also known as: Di-2-pyridyl ketone oxime, Methanone, di-2-pyridinyl-, oxime, 2,2'-Dipyridyl ketoxime, Bis(2-pyridinyl) ketone oxime, Bis(2-pyridyl) ketone oxime, Dipyridylketoxime, N-[Bis(2-pyridinyl)methylene]hydroxylamine, N-[Bis(2-pyridyl)methylene]hydroxylamine, 2-[(Z)-nitroso(1H-pyridin-2-ylidene)methyl]pyridine, Di(2-pyridinyl)methanone oxime

Di-2-pyridyl ketoxime (CAS 1562-95-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9N3O and a molecular weight of 199.20900 g/mol. It is also known as Di-2-pyridyl ketone oxime, Methanone, di-2-pyridinyl-, oxime and 2,2'-Dipyridyl ketoxime. Key properties include a melting point of 142-143ºC(lit.), a boiling point of 353ºC at 760 mmHg, a density of 1.21g/cm3 and a flash point of 167.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1562-95-4
Jingsj CID
J-13537-9
Molecular Formula
C11H9N3O
Chinese Name
二(2-吡啶)酮肟
Molecular Weight
199.20900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point142-143ºC(lit.)
Boiling Point353ºC at 760 mmHg
Density1.21g/cm3
Flash Point167.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Di-2-pyridyl ketoxime?

The CAS number of Di-2-pyridyl ketoxime is 1562-95-4.

What are the molecular formula and molecular weight of Di-2-pyridyl ketoxime?

Di-2-pyridyl ketoxime has molecular formula C11H9N3O and molecular weight 199.20900 g/mol.

Is Di-2-pyridyl ketoxime hazardous?

Di-2-pyridyl ketoxime has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Di-2-pyridyl ketoxime (CAS 1562-95-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13537-9 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.