Back to Search
Piperazinone
CAS: 5625-67-2 | C4H8N2O
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
5625-67-2
Molecular Formula:
C4H8N2O
Molecular Mass:
100.12 g/mol
Names and Synonyms:
Piperazinone
2-Piperazinone
Piperazinone
2(1H)-Pyrazinone, tetrahydro-
2-Ketopiperazine
2-Oxopiperazine
Piperazine-2-one
Oxopiperazine
NSC 27441
3-Oxopiperazine
Piperazin-2-one
JKF 011
3,4,5,6-Tetrahydropyrazin-2-ol
Identifiers:
SMILES:
OC1=NCCNC1
InChI:
InChI=1S/C4H8N2O/c7-4-3-5-1-2-6-4/h5H,1-3H2,(H,6,7)
Key Properties
Boiling Point
165 °C @ Press: 5 Torr
CAS Common Chemistry
Melting Point
136 °C
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 100.12 g/mol | CAS Common Chemistry |
| 100.12100000000001 g/mol | RDKit | |
| 100.063662876 g/mol | RDKit | |
| Boiling Point | 165 °C @ Press: 5 Torr | CAS Common Chemistry |
| Canonical SMILES | O=C1NCCNC1 | CAS Common Chemistry |
| InChI | InChI=1S/C4H8N2O/c7-4-3-5-1-2-6-4/h5H,1-3H2,(H,6,7) | CAS Common Chemistry |
| InChI Key | InChIKey=IWELDVXSEVIIGI-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 136 °C | CAS Common Chemistry |
| Name | Piperazinone | CAS Common Chemistry |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 44.620000000000005 Ų | RDKit |
| LogP | -0.45389999999999997 | RDKit |
| Molar Refractivity | 27.800499999999996 | RDKit |