DMI CAS#80-73-9
Excellent solvent power：1,3-Dimethyl-2-imidazolinone offers very strong solubility for a wide range of substances, making it highly effective as a polar solvent.
High safety and environmental friendliness：It features extremely low toxicity and very low environmental pollution, supporting safer and more sustainable industrial use.
High thermal and chemical stability：With a high boiling point and high flash point, it remains stable under demanding processing conditions and resists strong acids, strong alkalis, water, light, and oxygen.
Wide operating temperature range：Its low melting point combined with high boiling point allows reliable performance over a broad temperature range in industrial applications.
Products Description of DMI CAS#80-73-9
1,3-Dimethyl-2-imidazolinone, also known as dimethylethylene urea (DMI), is a high-boiling polar solvent. It features a high flash point, a low melting point, very low toxicity, minimal environmental impact, and excellent dissolving power. The compound also shows outstanding stability and is resistant to strong acids, strong alkalis, water, light, and oxygen.
1,3-Dimethyl-2-imidazolidinone Chemical Properties
| Melting point | 8.2 °C |
| Boiling point | 224-226 °C (lit.) |
| density | 1.056 g/mL at 25 °C (lit.) |
| vapor pressure | <1 hPa (20 °C) |
| refractive index | n20/D 1.472(lit.) |
| Fp | 220 °F |
| storage temp. | Store at +5°C to +30°C. |
| solubility | toluene: soluble(lit.) |
| pka | -0.65±0.20(Predicted) |
| form | Liquid |
| color | Clear |
| explosive limit | 1.3-8.4%(V) |
| Water Solubility | freely soluble |
| Sensitive | Hygroscopic |
| Merck | 143,249 |
| BRN | 108808 |
| InChIKey | CYSGHNMQYZDMIA-UHFFFAOYSA-N |
| LogP | -0.3 at 25℃ |
| CAS DataBase Reference | 80-73-9(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Dimethyl-2-imidazolidinone(80-73-9) |
| EPA Substance Registry System | N,N'-Dimethylimidazolidinone (80-73-9) |
Safety Information
| Hazard Codes | Xn,Xi |
| Risk Statements | 21/22-38-41-36/38-62-22 |
| Safety Statements | 26-36-36/37/39-36/37 |
| RIDADR | UN 2810 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | NJ0660000 |
| F | 3 |
| Autoignition Temperature | 305 °C |
| Hazard Note | Harmful/Irritant |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | Ⅲ |
| HS Code | 29332990 |
| Toxicity | LD50 orally in Rabbit: 1261 mg/kg LD50 dermal Rabbit 986 mg/kg |
Product Application of DMI CAS#80-73-9
1,3-Dimethyl-2-imidazolinone is used as a solvent in a wide range of organic synthesis reactions. It is also applied in studies of the photochemical formation of stable functionalized hydrogenated silane biradical transition-metal complexes from arylsilanes. As an inert dipolar solvent, it is frequently used as a safer alternative to the carcinogenic solvent HMPA.
As a ketone-type organic compound, 1,3-Dimethyl-2-imidazolinone serves as both an organic solvent and a chemical intermediate, and is widely utilized in pharmaceuticals, pesticides, dyes, liquid crystal materials, and other related fields.
