Overview
2-Imidazolidinone (CAS 120-93-4 ), commercially known as ethylene urea, is a cyclic urea derivative used as a reactive intermediate and functional additive across pharmaceutical, cosmetic, and specialty chemical manufacturing.
It acts as a building block for synthesis and a surface-active agent in formulation chemistry. In pharmaceutical manufacturing, it serves as a key intermediate in the synthesis of active ingredients and heterocyclic scaffolds.
Personal care formulators incorporate it into hair and skin products for its film-forming and conditioning properties. It is particularly effective in curl-retention and smoothing treatments for high-end cosmetic lines.
The compound functions as a catalyst precursor and reactant in the production of specialty resins and textile finishing agents. It is widely utilized in the creation of wrinkle-resistant fabric treatments for the garment industry.
In biotechnology applications, it supports surface modification processes where controlled wetting is critical. Substrate interaction is essential to assay or coating performance in advanced laboratory settings.
This chemical is available as a white crystalline solid, typically supplied in powder or granular form. Standard commercial grades include technical and high-purity pharmaceutical-grade material for various uses.
Purity levels commonly range from 98% to 99% or higher depending on the specific application requirements. Packaging options range from kilogram-scale laboratory quantities to bulk metric ton supply for industrial procurement.
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Physical Properties
| Melting Point | 131 °C |
| Boiling Point | 192 °C @ Press: 16 Torr |
| Density | 1.1530 (rough estimate) |
| Flash Point | 265°C |
| Color | White to off-white |
| Odor | odorless |
| Form | Powder or Crystalline Powder |
| Water Solubility | soluble |
| Vapor Pressure | 0.002Pa at 20℃ |
| Refractive Index | 1.5110 (estimate) |
| Log P | -1.16 at 25℃ |
Safety & Handling
Warning GHS07 GHS08 Hazard Statements H319 Causes serious eye irritation H361 Suspected of damaging fertility or the unborn child H373 May causes damage to organs through prolonged or repeated exposure Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29339900 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 120-93-4
- EC Number
- 204-436-4
- Mol. Weight
- 86.09
- HS Code
- 29339900
- Category
- Catalysts & Catalyst Precursors