8-Hydroxyquinoline hemisulfate salt hemihydrate
8-Hydroxyquinoline hemisulfate salt hemihydrate (CAS 207386-91-2) is a chemical compound with the formula C9H7NO · 0.5H2O4S · 0.5H2O and a molecular weight of 203.20 g/mol. It presents as a quinoline derivative, commonly utilised as a building block in chemical synthesis. Its solubility in water and specific assay make it a useful reagent in various laboratory and industrial applications where precise chemical structures are required.
- IUPAC
- 8-Quinolinol hemisulfate,8-Quinolinol sulfate (2:1) monohydrate

Chemical Synthesis
Serves as a valuable intermediate or building block in the synthesis of more complex organic molecules. Its quinoline core is a common structural motif in pharmaceuticals and materials science.
Heterocyclic Chemistry
A key component in heterocyclic chemistry research and development. Its functional groups allow for diverse reactions, enabling the creation of novel heterocyclic compounds.
Analytical Reagent
Potentially employed as a reagent in analytical chemistry due to its chelation properties, although specific applications require further verification.
| Molecular weight | 203.20 |
|---|---|
| Empirical formula | C9H7NO · 0.5H2O4S · 0.5H2O |
| Assay | 98% |
| Solubility | H2O: soluble100 mg/mL, clear to slightly hazy, yellow to orange |
| Melting point | 176-179 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 8-Hydroxyquinoline hemisulfate salt hemihydrate used for?
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8-Hydroxyquinoline hemisulfate salt hemihydrate is primarily used as a building block in chemical synthesis and in heterocyclic chemistry research.
What are the CAS number and formula for 8-Hydroxyquinoline hemisulfate salt hemihydrate?
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The CAS number is 207386-91-2, and the formula is C9H7NO · 0.5H2O4S · 0.5H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 8-Hydroxyquinoline hemisulfate salt hemihydrate with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 8-Hydroxyquinoline hemisulfate salt hemihydrate be handled safely?
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This compound is harmful if swallowed (H302). Handle with appropriate personal protective equipment, including gloves and eye protection, and avoid ingestion. Refer to the Safety Data Sheet for detailed handling information.
Is 8-Hydroxyquinoline hemisulfate salt hemihydrate a controlled substance?
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The provided data does not indicate that 8-Hydroxyquinoline hemisulfate salt hemihydrate is a controlled substance.
How is this chemical packed, shipped, or exported?
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Tech Serve Solutions specialises in global supply and export of fine chemicals. Specific packing and shipping details are provided upon order confirmation, adhering to international regulations.
How can I request a quote or sample?
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To request a quote or sample of 8-Hydroxyquinoline hemisulfate salt hemihydrate, please contact our sales team through the website or by phone.
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