2-Imidazolidone hemihydrate
Synonym(s):2-Imidazolidinone hemihydrate;N,N′-Ethyleneurea
- CAS NO.：121325-67-5
- Empirical Formula: C3H8N2O2
- Molecular Weight: 104.11
- MDL number: MFCD02662355
- EINECS: 1592732-453-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:17:08
What is 2-Imidazolidone hemihydrate?
Chemical properties
white to pale yellow adhering crystals
The Uses of 2-Imidazolidone hemihydrate
2-Imidazolidinone hemihydrate is used as a scavenger for formaldehyde. It is utilized for removal of formaldehyde from leather, rubber and textile coating. It is also used as a raw material for the preparation of active pharmaceutical ingredients like azlocillin sodium.
Properties of 2-Imidazolidone hemihydrate
| Melting point: | 58 °C |
| Boiling point: | 100 °C |
| Density | 1.3 g/cm3 (20 °C) |
| vapor pressure | <24 hPa (20 °C) |
| Flash point: | 265 °C |
| storage temp. | Store below +30°C. |
| form | Adhering Crystals or Crystalline Powder |
| color | White to pale yellow |
| PH | 9-11 (100g/l, H2O, 20°C) |
| Water Solubility | 950 g/L (20 ºC) |
| Sensitive | Hygroscopic |
Safety information for 2-Imidazolidone hemihydrate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation H373:Specific target organ toxicity, repeated exposure |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 2-Imidazolidone hemihydrate
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