2-Fluoro-5-iodobenzaldehyde
2-Fluoro-5-iodobenzaldehyde (CAS: 146137-76-0, Formula: C7H4FIO, MW: 250.01) is a fluorinated aromatic aldehyde. This compound serves as a valuable building block in organic synthesis, particularly for introducing both fluorine and iodine substituents onto aromatic rings. Its reactivity as an aldehyde and the presence of halogen atoms make it a versatile intermediate in the development of novel pharmaceuticals, agrochemicals, and advanced materials. TSS supplies this chemical with a high purity of 97%.

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, leveraging its unique fluorinated and iodinated aromatic structure for targeted biological activity.
Agrochemical Synthesis
Serves as a precursor in the development of new pesticides, herbicides, and fungicides, where fluorinated moieties often enhance efficacy and stability.
Materials Science
Employed in the creation of specialised polymers, liquid crystals, or organic electronic materials, where the fluorine and iodine atoms can impart specific physical or electronic properties.
Organic Synthesis Building Block
A versatile reagent for complex molecule construction, enabling various coupling reactions and functional group transformations in academic and industrial research.
| Molecular weight | 250.01 |
|---|---|
| Linear formula | FC6H3(I)CHO |
| Assay | 97% |
| Melting point | 45-48 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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 2-Fluoro-5-iodobenzaldehyde used for?
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2-Fluoro-5-iodobenzaldehyde is primarily used as a building block in organic synthesis for pharmaceuticals, agrochemicals, and advanced materials due to its fluorinated and iodinated aromatic aldehyde structure.
What is the CAS number and chemical formula for 2-Fluoro-5-iodobenzaldehyde?
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The CAS number is 146137-76-0, and the chemical formula is C7H4FIO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Fluoro-5-iodobenzaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for this compound?
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This compound is classified as Danger, with hazards including toxicity if swallowed and irritation to skin, eyes, and respiratory tract (H301, H315, H319, H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, faceshields, and gloves, is essential. Handle only in a well-ventilated area or fume hood.
How is 2-Fluoro-5-iodobenzaldehyde packed, shipped, and exported?
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Products are carefully packed according to international shipping regulations and safely exported globally by Tech Serve Solutions.
How can I request a sample or quote for 2-Fluoro-5-iodobenzaldehyde?
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Please contact our sales team or use the online enquiry form to request a sample or a personalised quotation.
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