51498-37-4
51498-37-4 structure
- Name: 4-Hydroxypyridine-3-sulfonic acid
- Chemical Name: 4-Hydroxypyridine-3-sulfonic acid
- CAS Number: 51498-37-4
- Molecular Formula: C5H5NO4S
- Molecular Weight: 175.163
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
- Create Date: 2018-09-16 11:41:28
- Modify Date: 2025-08-25 14:08:09
| Name | 4-Hydroxypyridine-3-sulfonic acid |
|---|---|
| Synonyms |
4-hydroxypyridine-3-sulfonic acid
4-Hydroxypyridine-3-sulfonicAcid EINECS 257-243-2 4-HYDROXYPYRIDIE-SULPHONIC ACID 4-hydroxypyridine-3-sulfonyl acid 4-Hydroxypyridine-3-sulphonic 4-Hydroxypyridie-3-sulphonic acid hydroxypyridinesulfonicacid 4-Hydroxy-3-pyridinesulfonic 4(1H)-pyridone-3-sulfonic acid 4-Hydroxy-3-pyridinesulfonic acid 4-hydroxypyridin-3-sulfonic acid 4-Pyridinol-3-sulfonic Acid 4-hydroxypyridine-3-sulphonic acid MFCD02093473 4-Hydroxypyridine-sulphonic acid 4-Hydroxy-pyridin-3-sulfonsaeure 3-Pyridinesulfonic acid, 4-hydroxy- |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Melting Point | >300°C |
| Molecular Formula | C5H5NO4S |
| Molecular Weight | 175.163 |
| Exact Mass | 174.993927 |
| PSA | 95.87000 |
| LogP | -1.75 |
| Index of Refraction | 1.619 |
| Hazard Codes | C |
|---|---|
| Risk Phrases | R34 |
| Safety Phrases | S26-S36/37/39-S45 |
| RIDADR | 3261 |
| Packaging Group | III |
| Hazard Class | 8 |
| HS Code | 2933399090 |
| Precursor 0 | |
|---|---|
| DownStream 4 | |
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |