108-27-0
108-27-0 structure
- Name: 2-Pyrrolidinone,5-methyl-
- Chemical Name: 5-methyl-2-pyrrolidone
- CAS Number: 108-27-0
- Molecular Formula: C5H9NO
- Molecular Weight: 99.13110
- Create Date: 2018-03-06 08:00:00
- Modify Date: 2025-08-25 17:18:08
| Name | 5-methyl-2-pyrrolidone |
|---|---|
| Synonyms |
MFCD00005273
5-Methyl-2-pyrrolidone 5-Methylpyrrolidin-2-one 5-Methyl-2-pyrrolidinone EINECS 203-566-9 |
| Density | 0.979g/cm3 |
|---|---|
| Boiling Point | 248ºC(lit.) |
| Melting Point | 41-43ºC(lit.) |
| Molecular Formula | C5H9NO |
| Molecular Weight | 99.13110 |
| Flash Point | >230 °F |
| Exact Mass | 99.06840 |
| PSA | 29.10000 |
| LogP | 0.61370 |
| Vapour Pressure | 0.0377mmHg at 25°C |
| Index of Refraction | 1.439 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | 26-37/39 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2933790090 |
| Precursor 10 | |
|---|---|
| DownStream 7 | |
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |