5,7-Diiodo-8-hydroxyquinoline
5,7-Diiodo-8-hydroxyquinoline (CAS: 83-73-8) is an organoiodine compound with the molecular formula C9H5I2NO. This halogenated heterocyclic molecule serves as a valuable building block in chemical synthesis. It is primarily utilised in laboratory research and development, offering a reactive iodine-substituted quinoline core for further functionalization and the creation of more complex organic structures. Its properties make it a key intermediate in various organic chemistry applications.
- IUPAC
- 5,7-Diiodo-8-quinolinol
- Synonyms
- 5,7-Diiodo-8-quinolinol

Chemical Synthesis Intermediate
Used as a precursor in the synthesis of diverse organic molecules, particularly those incorporating a quinoline moiety. Its two iodine substituents offer specific reaction sites for coupling reactions and other transformations.
Organic Research and Development
Employed in academic and industrial research settings for exploring new synthetic routes and developing novel compounds. Its structure lends itself to the investigation of structure-activity relationships.
Halogenated Heterocycle Synthesis
Serves as a starting material or intermediate in the preparation of complex halogenated heterocyclic compounds. The presence of iodine atoms facilitates various cross-coupling reactions.
| Molecular weight | 396.95 |
|---|---|
| Empirical formula | C9H5I2NO |
| Assay | 97% |
| Melting point | >200 °C (dec.)(lit.) |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-36/37/39 |
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 5,7-Diiodo-8-hydroxyquinoline used for?
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5,7-Diiodo-8-hydroxyquinoline (CAS: 83-73-8) is primarily used as a building block and intermediate in chemical synthesis, particularly in organic research and development for creating complex halogenated heterocyclic compounds.
What is the CAS number and chemical formula for 5,7-Diiodo-8-hydroxyquinoline?
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The CAS number is 83-73-8 and the chemical formula is C9H5I2NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5,7-Diiodo-8-hydroxyquinoline with a minimum assay of 97%. This product is suitable for research and chemical synthesis and is not represented as USP, BP, or EP grade.
How should 5,7-Diiodo-8-hydroxyquinoline be handled safely?
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5,7-Diiodo-8-hydroxyquinoline is classified as Danger. It is harmful if swallowed (H302) and causes serious eye damage (H318). Always handle with appropriate personal protective equipment, including eye protection, and avoid ingestion. Refer to the Safety Data Sheet (SDS) for detailed handling procedures.
Is 5,7-Diiodo-8-hydroxyquinoline a controlled substance?
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The provided data does not indicate that 5,7-Diiodo-8-hydroxyquinoline is a controlled substance.
How is 5,7-Diiodo-8-hydroxyquinoline packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports fine chemicals in compliance with all relevant international regulations for hazardous materials, ensuring secure and safe transit.
How can I request a sample or quote for 5,7-Diiodo-8-hydroxyquinoline?
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To request a sample or quote for 5,7-Diiodo-8-hydroxyquinoline, please contact our sales team through the website or by phone.
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