3,5-Diiodosalicylaldehyde
3,5-Diiodosalicylaldehyde (CAS: 2631-77-8) is an organic compound with the linear formula I₂C₆H₂-2-(OH)CHO and a molecular weight of 373.91 g/mol. It serves as a valuable building block in organic synthesis. This aldehyde derivative is primarily utilised in research and development settings for the creation of more complex molecular structures and specialised chemical compounds. Its well-defined structure makes it a useful reagent for various chemical transformations.
- Synonyms
- I2C6H2-2-(OH)CHO

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of complex organic molecules. Its reactive aldehyde and iodinated phenolic functionalities allow for diverse chemical modifications.
Research and Development
3,5-Diiodosalicylaldehyde is employed in academic and industrial laboratories for the exploration of new chemical reactions and the development of novel compounds.
Building Block for Fine Chemicals
Utilised as a foundational building block, it contributes to the construction of specialised fine chemicals and advanced materials.
| Molecular weight | 373.91 |
|---|---|
| Linear formula | I2C6H2-2-(OH)CHO |
| Assay | 97% |
| Melting point | 109-110 °C(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 3,5-Diiodosalicylaldehyde used for?
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3,5-Diiodosalicylaldehyde (CAS: 2631-77-8) is primarily used as an intermediate and building block in organic synthesis and for research and development purposes.
What is the CAS number and formula for 3,5-Diiodosalicylaldehyde?
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The CAS number for 3,5-Diiodosalicylaldehyde is 2631-77-8 and its linear formula is I₂C₆H₂-2-(OH)CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,5-Diiodosalicylaldehyde with a minimum purity of 97%. This product is supplied for laboratory and research use and is not represented as USP, BP, EP, or any pharmacopoeia grade.
How should 3,5-Diiodosalicylaldehyde be handled?
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Handle 3,5-Diiodosalicylaldehyde with appropriate personal protective equipment, including Eyeshields, gloves, and a dust mask type N95 (US). It is a Warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is 3,5-Diiodosalicylaldehyde a controlled substance?
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Based on the provided data, 3,5-Diiodosalicylaldehyde is not indicated as a controlled substance.
How is 3,5-Diiodosalicylaldehyde shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals and laboratory reagents, including 3,5-Diiodosalicylaldehyde, adhering to all relevant shipping and export regulations.
How can I request a sample or quote for 3,5-Diiodosalicylaldehyde?
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To request a sample or quote for 3,5-Diiodosalicylaldehyde, please contact our sales team through the website or via direct inquiry, providing your specific requirements.
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