ChemicalBook >> CAS DataBase List >>4-Hydroxypyridine-3-sulfonic acid
4-Hydroxypyridine-3-sulfonic acid
- CAS No.
- 51498-37-4
- Chemical Name:
- 4-Hydroxypyridine-3-sulfonic acid
- Synonyms
- 4-HYDROXY-3-PYRIDINESULFONIC ACID;Torasemide Impurity 24;4-PYRIDINOL-3-SULFONIC ACID;hydroxypyridinesulfonicacid;4-Hydroxy-3-pyridinesulfonic;4-Hydroxypyridine-3-sulphonic;4-HYDROXYPYRIDIE-SULPHONIC ACID;4-Hydroxypyridine-3-sulfonicaci;4-Hydroxypyridine-sulphonic acid;4-HYDROXYPYRIDINE-3-SULFONIC ACID
- CBNumber:
- CB8476308
- Molecular Formula:
- C5H5NO4S
- Molecular Weight:
- 175.16
- MDL Number:
- MFCD02093473
- MOL File:
- 51498-37-4.mol
- MSDS File:
- SDS
Last updated:2026-06-04 16:00:12
| Melting point | >300°C |
|---|---|
| Density | 1.686±0.06 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,Room Temperature |
| form | powder to crystal |
| pka | -2.30±0.33(Predicted) |
| color | White to Light yellow to Green |
| Sensitive | Light Sensitive |
| BRN | 7904 |
| InChI | InChI=1S/C5H5NO4S/c7-4-1-2-6-3-5(4)11(8,9)10/h1-3H,(H,6,7)(H,8,9,10) |
| InChIKey | AZRCSTMIVMQIPR-UHFFFAOYSA-N |
| SMILES | C1=NC=CC(O)=C1S(O)(=O)=O |
| CAS DataBase Reference | 51498-37-4(CAS DataBase Reference) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS05 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H314-H318 | |||||||||
| Precautionary statements | P260h-P301+P330+P331-P303+P361+P353-P305+P351+P338-P405-P501a | |||||||||
| Hazard Codes | C | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36/37/39-45 | |||||||||
| RIDADR | 3261 | |||||||||
| HazardClass | 8 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 2933399990 | |||||||||
| REACH Registrations | Active | |||||||||
| Limited Quantities | 5.0 kg (11 lbs) (solid) | |||||||||
| Excepted Quantities | Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L) | |||||||||
| NFPA 704 |
|
4-Hydroxypyridine-3-sulfonic acid price More Price(42)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | H0963 | 4-Hydroxypyridine-3-sulfonic Acid >98.0%(HPLC)(T) | 51498-37-4 | 5g | $32 | 2026-04-30 | Buy |
| TCI Chemical | H0963 | 4-Hydroxypyridine-3-sulfonic Acid >98.0%(HPLC)(T) | 51498-37-4 | 25g | $163 | 2026-04-30 | Buy |
| Biosynth | FH147035 | 4-Hydroxypyridine-3-sulfonicacid | 51498-37-4 | 50g | $900 | 2026-06-04 | Buy |
| Biosynth | FH147035 | 4-Hydroxypyridine-3-sulfonicacid | 51498-37-4 | 25g | $900 | 2026-06-04 | Buy |
| Biosynth | FH147035 | 4-Hydroxypyridine-3-sulfonicacid | 51498-37-4 | 250g | $900 | 2026-06-04 | Buy |
4-Hydroxypyridine-3-sulfonic acid Preparation Products And Raw materials
Global Suppliers ( 234)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Jinan Zhongke Yitong Chemical Co., Ltd. | 0531-88658009 15552873609 | lxxcs@163.com | China | 96 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Pure Chemistry Scientific Inc. | 001-857-928-2050 or 1-888-588-9418 | sales@chemreagents.com | United States | 10174 | 62 |
| Adamas Reagent, Ltd. | 400-6009262 15618770481 | yhx@titansci.com | China | 14098 | 59 |
| Accela ChemBio Co.,Ltd. | 021-50795510 4000665055 | marketing@accelachem.com | China | 10972 | 64 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
View Latest Price from 4-Hydroxypyridine-3-sulfonic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-09-16 | 4-Hydroxypyridine-3-sulfonic acid
51498-37-4
|
1KG | 98%min | 1000kgs | WUHAN FORTUNA CHEMICAL CO., LTD | ||
 |
2026-08-20 | 4-Hydroxypyridine-3-sulfonic acid
51498-37-4
|
$1.10 | 1g | 99.00% | 100 Tons Min | Dideu Industries Group Limited | |
 |
2025-04-04 | 4-Hydroxypyridine-3-sulfonic acid
51498-37-4
|
1kg | 98% | 1Ton | Henan Aochuang Chemical Co.,Ltd. |
-
- 4-Hydroxypyridine-3-sulfonic acid
51498-37-4
- $0.00
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- 4-Hydroxypyridine-3-sulfonic acid
51498-37-4
- $1.10
- 99.00%
- Dideu Industries Group Limited
-
- 4-Hydroxypyridine-3-sulfonic acid
51498-37-4
- 98%
- Henan Aochuang Chemical Co.,Ltd.
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4-HYDROXY-3-PYRIDINESULFONIC ACID
51498-37-4
C5H5NO4S
Organic acids
Pyridine
