1,1-DIMETHYLUREA
Synonym(s):N,N-Dimethylurea;1,1-Dimethylurea;N,N-Dimethylurea
- CAS NO.：598-94-7
- Empirical Formula: C3H8N2O
- Molecular Weight: 88.11
- MDL number: MFCD00007959
- EINECS: 209-957-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:59:00
What is 1,1-DIMETHYLUREA?
Chemical properties
White to off-white crystalline powder
The Uses of 1,1-DIMETHYLUREA
1,1-Dimethylurea (N,N-dimethylurea) has been used in the Dowex-50W ion exchange resin-promoted synthesis of N,N′-disubstituted-4-aryl-3,4-dihydropyrimidinones.
General Description
Nonlinear optical properties of 1,1-dimethylurea (N,N′ dimethylurea), have been evaluated through second-harmonic generation.
Flammability and Explosibility
Not classified
Properties of 1,1-DIMETHYLUREA
| Melting point: | 178-183 °C (lit.) |
| Boiling point: | 163.08°C (rough estimate) |
| Density | 1.255 |
| vapor pressure | 0.008Pa at 25℃ |
| refractive index | 1.4715 (estimate) |
| storage temp. | Store below +30°C. |
| solubility | water: soluble5%, clear, colorless |
| pka | 14.73±0.50(Predicted) |
| form | Crystalline Powder |
| color | White to off-white |
| Water Solubility | Soluble |
| BRN | 1740666 |
| CAS DataBase Reference | 598-94-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Urea, N,N-dimethyl-(598-94-7) |
| EPA Substance Registry System | 1,1-Dimethylurea (598-94-7) |
Safety information for 1,1-DIMETHYLUREA
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing 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. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 1,1-DIMETHYLUREA
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