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1-(2-Hydroxyethyl)-2-imidazolidinone

Also known as: N-(2-Hydroxyethyl)ethyleneurea, Hydroxyethylethylene urea, 1-(2-Hydroxyethyl)imidazolidin-2-one, 2-Imidazolidinone, 1-(2-hydroxyethyl)-, N-Hydroxyethylimidazolidine-2-one, NSC 5775, MFCD00037883

1-(2-Hydroxyethyl)-2-imidazolidinone (CAS 3699-54-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H10N2O2 and a molecular weight of 130.145 g/mol. Key properties include a melting point of 46-49°C, a boiling point of 400.1±24.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 195.8±22.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3699-54-5
Jingsj CID
J-35075-4
Molecular Formula
C5H10N2O2
Molecular Weight
130.145 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point46-49°C
Boiling Point400.1±24.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point195.8±22.9 °C
Exact Mass130.074234
PSA52.57000
LogP-1.05
Vapor Pressure0.0±2.1 mmHg at 25°C
Refractive Index1.503

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 1-(2-Hydroxyethyl)-2-imidazolidinone?

The CAS number of 1-(2-Hydroxyethyl)-2-imidazolidinone is 3699-54-5.

What are the molecular formula and molecular weight of 1-(2-Hydroxyethyl)-2-imidazolidinone?

1-(2-Hydroxyethyl)-2-imidazolidinone has molecular formula C5H10N2O2 and molecular weight 130.145 g/mol.

What are the upstream and downstream products of 1-(2-Hydroxyethyl)-2-imidazolidinone?

For 1-(2-Hydroxyethyl)-2-imidazolidinone, Upstream Products: Carbon dioxide, 2-(2-Aminoethylamino)ethanol, Dimethyl Carbonate; Downstream Products: 2-(2-Aminoethylamino)ethanol, 1-(2-chloroethyl)imidazolidin-2-one, 2-(2-Oxoimidazolidin-1-yl)acetic acid.

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

Last updated:

How to cite: Jingsj. "1-(2-Hydroxyethyl)-2-imidazolidinone (CAS 3699-54-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35075-4 (accessed 2026-11-09).

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