Solvents
REACH
Hydroxyethyl imidazolidinone
CAS Number
3699-54-5
EC Number
223-032-9
What is Hydroxyethyl imidazolidinone?
Hydroxyethyl imidazolidinone (CAS 3699-54-5) is a cyclic urea derivative used as a humectant and moisture-retention agent.
Where is Hydroxyethyl imidazolidinone used?
- Textile finishing: crease-resistance and durable press formulations for dimensional stability and hand feel
- Personal care: sustained hydration in leave-on and rinse-off products
- Paper and leather processing: moisture management for flexibility and surface quality
- Specialty coatings: controlled hygroscopicity through processing
- It binds and regulates moisture in treated substrates.
Commercial specifications
- Personal care grades with purity documentation available
Other Names (Synonyms)
1-(2-Hydroxyethyl)imidazolidin-2-one|1-(2-Hydroxyethyl)-2-imidazolidinone|2-Imidazolidinone, 1-(2-hydroxyethyl)-|N-(2-Hydroxyethyl)ethyleneurea|1-(Hydroxyethyl)ethyleneurea|N-(2-Hydroxyethyl)imidazolidone|N-(β-Hydroxyethyl)-N,N′-ethylene urea|2-Hydroxyethylethylene Urea
What are the physical properties of Hydroxyethyl imidazolidinone?
Melting Point 45 °C
Boiling Point 220-240 °C @ Press: 20 Torr
Density 1.19 g/mL at 25 °C
Flash Point 185°C/3.5mm
Color Off-White to Dark Yellow
Form Solid
Water Solubility 982g/L at 20℃
Vapor Pressure 0.001Pa at 25℃
Refractive Index n 20/D 1.466
Log P -0.7 at 20℃
How is Hydroxyethyl imidazolidinone classified and handled safely? Learn More
Warning
GHS07· Irritant
Hazard Statements
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
Precautionary Statements
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
Which trade and regulatory codes apply to Hydroxyethyl imidazolidinone?
Storage Class 10 - Combustible liquids
WGK (Germany) 1