CAS 134-31-6 | Oxyquinoline Sulfate | Quinosol
8-Hydroxyquinoline sulfate (CAS 134-31-6), also known as oxyquinoline sulfate or Quinosol, is a yellow crystalline powder soluble in water. Palica Chem supplies this material for customers evaluating a new or alternative source. Product specifications and batch COA information are available to support your review.
| CAS number | 134-31-6 |
|---|---|
| INCI name | Oxyquinoline Sulfate |
| Synonyms | 8-Quinolinol sulfate, Oxine sulfate, Quinosol, Chinosol, 8-hydroxyquinoline sulphate |
| Molecular formula | (C9H7NO)2·H2SO4 (C18H16N2O6S) |
| Molecular weight | 388.39 g/mol |
| Solubility | Freely soluble in water |
This product is the sulfate salt of 8-hydroxyquinoline (CAS 148-24-3). Its water solubility makes it relevant to aqueous formulations. The sulfate salt and the free base are different materials and should be specified separately when sourcing.
8-Hydroxyquinoline sulfate is used for its metal-chelating properties in selected formulations. One established application is in peroxide-containing hair products, where it is used as part of the stabilising system. For other applications, please share your intended use and technical requirements so we can review the material specification with you.
Oxyquinoline Sulfate is the INCI name used in cosmetic ingredient lists. It appears in some peroxide-based hair developers as a stabilising ingredient. Permitted uses and concentration limits depend on the destination market. Please assess the supplied specification against your formulation and applicable requirements before use.
Appearance: Yellow powder or crystals
Assay (Content): 98.0–100.5%
Melting Point: 175–178℃
Residue on Ignition: ≤ 0.2%
pH of 5% Aqueous Solution: 2.4–3.5
For additional quality requirements, please provide the relevant limits and test methods for review.
Contact us for the product specification, SDS and batch COA information, or to discuss a sample for evaluation. For a quotation, please include your required quantity, destination and any specific quality requirements. If you are assessing an alternative supplier, you can also share your current specification for comparison.
View chemical identity information on PubChem.
Please share your required quantity, destination and product specification. If available, include the intended application.