1-Acetylpiperazine CAS#13889-98-0 Product Description
N-Acetylpiperazine, also known as 1-acetylpiperazine, is an organic nitrogen-containing heterocyclic compound with the molecular formula C₆H₁₂N₂O and a molecular weight of 128.17 g/mol. It is registered under CAS No. 13889-98-0 and EINECS No. 237-659-0. At room temperature, the compound generally appears as a pale yellow crystalline solid, which transforms into a transparent, light yellow liquid upon melting. Its key physical and chemical properties include a melting point of 32–34°C, a boiling point of approximately 257.9°C at standard atmospheric pressure, a density of 1.027 g/cm³, and a flash point of 109.8°C. N-Acetylpiperazine is a useful chemical intermediate in organic synthesis and pharmaceutical research. To maintain its stability and product quality, it is recommended to store the material in a cool, dry, tightly sealed container at a controlled temperature of 2–8°C, protected from moisture and unsuitable environmental conditions.

1-Acetylpiperazine CAS#13889-98-0 Chemical Properties
| Melting point | 31-34 °C (lit.) |
| Boiling point | 127 °C |
| density | 1.0754 (rough estimate) |
| refractive index | 1.4880 (estimate) |
| Fp | >230 °F |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | methanol: soluble1g/10 mL, clear, colorless to faintly greenish-yellow |
| form | Liquid After Melting |
| pka | 8.50±0.10(Predicted) |
| color | Clear light yellow |
| Water Solubility | Soluble in water 210 g/L (20°C). |
| Sensitive | Hygroscopic |
| BRN | 112220 |
| CAS DataBase Reference | 13889-98-0(CAS DataBase Reference) |
1-Acetylpiperazine CAS#13889-98-0 Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/38-36/37/38 |
| Safety Statements | 26-36-37/39 |
| WGK Germany | 3 |
| F | 3-10-34 |
| Hazard Note | Irritant |
| HS Code | 29339900 |
1-Acetylpiperazine CAS#13889-98-0 Product Application
N-Acetylpiperazine is also used as an intermediate in the synthesis of penithiazole and other pharmaceutical-related compounds, making it a useful building block in pharmaceutical manufacturing and organic chemical synthesis.
