78551-38-9
78551-38-9 structure
- Name: (S)-3-METHYLPIPERAZIN-2-ONE
- Chemical Name: (3S)-3-methylpiperazin-2-one
- CAS Number: 78551-38-9
- Molecular Formula: C5H10N2O
- Molecular Weight: 114.14600
- Create Date: 2018-06-19 17:59:04
- Modify Date: 2025-08-25 10:40:13
| Name | (3S)-3-methylpiperazin-2-one |
|---|---|
| Synonyms |
(S)-3-Methyl-2-oxo-piperazine
(3S)-3-methyl-2-piperazinone (S)-3-methylpiperazin-2-one (S)-3-Methyl-2-ketopiperazine |
| Density | 0.992g/cm3 |
|---|---|
| Boiling Point | 289.6ºC at 760 mmHg |
| Molecular Formula | C5H10N2O |
| Molecular Weight | 114.14600 |
| Flash Point | 148.7ºC |
| Exact Mass | 114.07900 |
| PSA | 41.13000 |
| Index of Refraction | 1.434 |
| Storage condition | 2-8°C |
| Symbol |
GHS08 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H319-H334 |
| Precautionary Statements | P261-P305 + P351 + P338-P342 + P311 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | 36-43 |
| Safety Phrases | 26-36/37 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2933599090 |
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |