2-Hydroxyimino-3-pentanone

2-肟基-3-戊酮

Also known as: Pentane-2,3-dione 2-oxime, 2-Isonitroso-3-pentanone, 2-Oximino-3-pentanone, 2-Oximinopentan-3-one, 2,3-Pentanedione, 2-oxime, Molindone Impurity A, 2-hydroximino-3-oxopentane, 2-oximinopentane-3-one, 3-Pentanone,2-oximino, EINECS 251-239-4, (2E)-2-hydroxyiminopentan-3-one, 2,3-pentanedione monoxime

2-Hydroxyimino-3-pentanone (CAS 32818-79-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9NO2 and a molecular weight of 115.13000 g/mol. It is also known as Pentane-2,3-dione 2-oxime, 2-Isonitroso-3-pentanone and 2-Oximino-3-pentanone. Key properties include a melting point of 56-59 °C, a boiling point of 202.322ºC at 760 mmHg, a density of 1.045g/cm3 and a flash point of 76.162ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
32818-79-4
Jingsj CID
J-1088333-6
Molecular Formula
C5H9NO2
Chinese Name
2-肟基-3-戊酮
Molecular Weight
115.13000 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point56-59 °C
Boiling Point202.322ºC at 760 mmHg
Density1.045g/cm3
Flash Point76.162ºC

Frequently Asked Questions

What is the CAS number of 2-Hydroxyimino-3-pentanone?

The CAS number of 2-Hydroxyimino-3-pentanone is 32818-79-4.

What are the molecular formula and molecular weight of 2-Hydroxyimino-3-pentanone?

2-Hydroxyimino-3-pentanone has molecular formula C5H9NO2 and molecular weight 115.13000 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Hydroxyimino-3-pentanone (CAS 32818-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088333-6 (accessed 2026-10-22).

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