2-Azetidinone

2-氮杂环丁酮

Also known as: Azetidin-2-one, beta-Propiolactam, 2-Azacyclobutanone, Azetan-2-one, Propiolactam, 2-Azetidone

CAS No.
930-21-2
Jingsj CID
J-1387115-6
Molecular Formula
C3H5NO
Chinese Name
2-氮杂环丁酮
Molecular Weight
71.078 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point74-76 °C(lit.)
Boiling Point222.4±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point151.5±3.4 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Azetidinone?

930-21-2

What are the molecular formula and molecular weight of 2-Azetidinone?

C3H5NO, molecular weight 71.078 g/mol

Is 2-Azetidinone hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026