8-Hydroxyquinoline-5-sulfonic Acid Anhydrous Suppliers in China | Quality Products from Reliable Factory
Product Description
| Product Name | 8-Hydroxyquinoline-5-sulfonic acid |
| SYNONYMS | 4-HYDROXYQUINOLINE-5-SULPHONIC ACID; 4(5)-IMIDAZOLECARBOXALDEHYDE HYDROCHLORIDE; 4-IODOPYRIDINE; 5-Sulfo-8-hydroxyquinoline; 8-QUINOLINONE-5-SULFONIC ACID; 8-QUINOLINOL-5-SULFONIC ACID; 8-HYDROXY-5-QUINOLINESULFONIC ACID; 8-HYDROXYQUINOLIN-5-SULFONIC ACID; 5-Sulfo-8-quinolinol; 5-Sulfooxine |
| CAS | 84-88-8 |
| CBNumber | CB1414958 |
| MF | C9H7NO4S |
| MW | 225.2212 |
| EINEC | S201-570-5 |
| MDL Number | MFCD00006795 |
| MOL File | 84-88-8.mol |
| MSDS | FileSDS |
Chemical Properties
| Melting point | 311-313 °C(lit.) |
| Boiling point | 267 °C(lit.) |
| Density | 1.4899 (rough estimate) |
| refractive index | 1.5364 (estimate) |
| Flash point | 139°C |
| storage temp | Inert atmosphere, Room Temperature |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated, Sonicated) |
| form | Crystalline |
| pka | pK1:4.092(+1); pK2:8.776(0) (25°C) |
| Water Solubility | insoluble |
| MERCK | 4844 |
| CAS DataBase Reference | 84-88-8(CAS DataBase Reference) |
| FDA UNII | E8Z193G3L22 |
| NIST Chemistry Reference | 5-Quinolinesulfonic acid, 8-hydroxy- (84-88-8) |
| EPA Substance Registry System | 5-Quinolinesulfonic acid, 8-hydroxy- (84-88-8) |
Frequently Asked Questions
8-HQS is widely used in obesity research for the synthesis of fat mass and obesity-associated proteins. It also serves as a critical precursor in synthesizing anti-schistosomal compounds to fight parasitic infections.
The CAS number of the compound is 84-88-8, and its molecular formula (MF) is C9H7NO4S with a molecular weight (MW) of 225.2212.
8-Hydroxyquinoline-5-sulfonic acid should be stored under an inert atmosphere at room temperature to preserve its chemical stability.
No, 8-HQS is insoluble in water. However, it is slightly soluble in DMSO and heated or sonicated Methanol.
8-HQS has a melting point range of 311-313 °C (lit.) and a boiling point of approximately 267 °C (lit.).


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