2-Imidazolidinone hemihydrate

2-咪唑烷酮半水合物

Also known as: 2-Imidazolidone hemihydrate, Ethylene urea hemihydrate, N,N-Ethyleneurea hemihydrate, Bis(imidazolidin-2-one) hydrate, Imidazolidin-2-one hemihydrate, 2-Imidazolidinone hemihydrate, 2-Imidazolidone, Ethylene urea, Oxoimidazolidine

2-Imidazolidinone hemihydrate (CAS 121325-67-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H6N2O and a molecular weight of 86.092 g/mol. It is also known as 2-Imidazolidone hemihydrate, Ethylene urea hemihydrate and N,N-Ethyleneurea hemihydrate. Key properties include a melting point of 58ºC, a boiling point of 358.7±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 202.5±19.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
121325-67-5
Jingsj CID
J-37368-7
Molecular Formula
C3H6N2O
Chinese Name
2-咪唑烷酮半水合物
Molecular Weight
86.092 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point58ºC
Boiling Point358.7±11.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point202.5±19.4 °C

Frequently Asked Questions

What is the CAS number of 2-Imidazolidinone hemihydrate?

The CAS number of 2-Imidazolidinone hemihydrate is 121325-67-5.

What are the molecular formula and molecular weight of 2-Imidazolidinone hemihydrate?

2-Imidazolidinone hemihydrate has molecular formula C3H6N2O and molecular weight 86.092 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Imidazolidinone hemihydrate (CAS 121325-67-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37368-7 (accessed 2026-10-23).

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