1-(2-Hydroxyethyl)-2-imidazolidinone

Synonym(s):1-(Hydroxyethyl)ethyleneurea;NSC 5775

CAS NO.：3699-54-5
Empirical Formula: C5H10N2O2
Molecular Weight: 130.15
MDL number: MFCD00037883
EINECS: 223-032-9
SAFETY DATA SHEET (SDS)
Update Date: 2026-05-28 03:30:17

1-(2-Hydroxyethyl)-2-imidazolidinone Structural

What is 1-(2-Hydroxyethyl)-2-imidazolidinone?

The Uses of 1-(2-Hydroxyethyl)-2-imidazolidinone

1-(2-Hydroxyethyl)-2-imidazolidinone is one of the component in the formula of the environment-friendly water-based primer with the function of purifying air;Also, it is used in the preparation of a diatomite-supported formaldehyde scavenging agent.

What are the applications of Application

1-(2-Hydroxyethyl)-2-imidazolidinone solution is a reagent for synthesis of HIV-1 integrase inhibitors

General Description

1-(2-Hydroxyethyl)-2-imidazolidinone has been identified as monoethanolamine (MEA) degradation product in IMC Chemicals Facility in Trona, CA plant performing CO₂ capture from flue gas. It was also identified from the MEA reclaimer from a CO₂ capture facility product. It was also identified as the most stable thermal degradation product of MEA.

Flammability and Explosibility

Non flammable

Properties of 1-(2-Hydroxyethyl)-2-imidazolidinone

Melting point:	46-49°C
Boiling point:	185°C 3,5mm
Density	1.19 g/mL at 25 °C
vapor pressure	0.001Pa at 25℃
refractive index	n20/D 1.466
Flash point:	185°C/3.5mm
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
pka	14.30±0.20(Predicted)
color	Off-White to Dark Yellow
Water Solubility	982g/L at 20℃
Sensitive	Hygroscopic
BRN	116407
CAS DataBase Reference	3699-54-5(CAS DataBase Reference)
NIST Chemistry Reference	1-(2-Hydroxyethyl)-2-imidazolidinone(3699-54-5)
EPA Substance Registry System	1-(2-Hydroxyethyl)-2-imidazolidinone (3699-54-5)

Safety information for 1-(2-Hydroxyethyl)-2-imidazolidinone

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H317:Sensitisation, Skin H319:Serious eye damage/eye irritation
Precautionary Statement Codes	P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.