503-83-3
503-83-3 structure
- Name: Tetramic acid
- Chemical Name: 3-hydroxy-1,2-dihydropyrrol-5-one
- CAS Number: 503-83-3
- Molecular Formula: C4H5NO2
- Molecular Weight: 99.088
- Create Date: 2018-12-31 12:16:14
- Modify Date: 2025-08-23 18:22:36
| Name | 3-hydroxy-1,2-dihydropyrrol-5-one |
|---|---|
| Synonyms |
4-ketopyrrolidinone
Tetraminsaeure 4-Hydroxy-1H-pyrrol-2(5H)-one 1,5-Dihydro-4-hydroxy-2H-pyrrol-2-one 4-Hydroxy-1,5-dihydro-2H-pyrrol-2-one 5-hydroxy-1,2-dihydropyrrol-3-one 2H-Pyrrol-2-one, 1,5-dihydro-4-hydroxy- 2,4-Pyrrolidinedione Tetramic acid 5-oxidanyl-1,2-dihydropyrrol-3-one |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 378.9±42.0 °C at 760 mmHg |
| Molecular Formula | C4H5NO2 |
| Molecular Weight | 99.088 |
| Flash Point | 182.9±27.9 °C |
| Exact Mass | 99.032028 |
| PSA | 49.33000 |
| LogP | -0.93 |
| Vapour Pressure | 0.0±1.9 mmHg at 25°C |
| Index of Refraction | 1.579 |
| Storage condition | 2-8°C |
| HS Code | 2933990090 |
|---|
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |