5-Amino-8-hydroxyquinoline dihydrochloride
5-Amino-8-hydroxyquinoline dihydrochloride (CAS: 21302-43-2), with the molecular formula C9H8N2O · 2HCl and a molecular weight of 233.09 g/mol, is a quinoline derivative supplied by Tech Serve Solutions. This compound serves as a valuable building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Its defined structure makes it suitable for research and development applications, contributing to the creation of novel chemical entities.
- IUPAC
- 5-Amino-8-quinolinol dihydrochloride

Organic Synthesis
Utilised as a key intermediate and building block in the synthesis of complex organic molecules. Its quinoline core and functional groups allow for diverse chemical transformations.
Heterocyclic Chemistry
A versatile reagent for the construction of various heterocyclic compounds. It is integral in research exploring new quinoline-based structures and their properties.
Research and Development
Employed in academic and industrial research laboratories for the development of new chemical entities and materials. Supports innovation in synthetic chemistry pathways.
| Molecular weight | 233.09 |
|---|---|
| Empirical formula | C9H8N2O · 2HCl |
| Assay | 95% |
| Melting point | 279 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 5-Amino-8-hydroxyquinoline dihydrochloride used for?
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5-Amino-8-hydroxyquinoline dihydrochloride is primarily used as a building block in organic synthesis and for research in heterocyclic chemistry. It is valuable for creating novel chemical entities.
What is the CAS number and formula for 5-Amino-8-hydroxyquinoline dihydrochloride?
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The CAS number is 21302-43-2 and the empirical formula (Hill notation) is C9H8N2O · 2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Amino-8-hydroxyquinoline dihydrochloride with an assay of 95%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 5-Amino-8-hydroxyquinoline dihydrochloride be handled?
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Handling requires appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid inhalation of dust, and ensure adequate ventilation. It is classified with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
Is 5-Amino-8-hydroxyquinoline dihydrochloride suitable for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 5-Amino-8-hydroxyquinoline dihydrochloride, adhering to international shipping regulations.
How can I request a sample or quote for 5-Amino-8-hydroxyquinoline dihydrochloride?
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To request a sample or a quotation, please visit the Tech Serve Solutions website or contact our sales team directly with your requirements.
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