5-Fluoro-2-iodoaniline
5-Fluoro-2-iodoaniline (CAS: 255724-71-1), with the molecular formula C6H5FIN and a molecular weight of 237.01 g/mol, is a valuable fluorinated organic building block. This compound serves as a key intermediate in organic synthesis, particularly in the development of novel pharmaceuticals and agrochemicals. Its specific structure, featuring both fluorine and iodine substituents on an aniline core, allows for diverse chemical transformations.
- IUPAC
- 5-Fluoro-2-iodobenzenamine

Pharmaceutical Intermediate
5-Fluoro-2-iodoaniline is utilised in the synthesis of active pharmaceutical ingredients (APIs). The presence of both fluorine and iodine allows for selective functionalisation, making it a versatile precursor in drug discovery and development programmes.
Agrochemical Synthesis
This compound can be employed as a building block in the creation of new agrochemical agents. Its fluorinated structure may impart desirable properties such as enhanced stability or biological activity to the final products.
Organic Synthesis Reagent
As a specialised building block, 5-Fluoro-2-iodoaniline is used in complex organic synthesis to introduce specific structural motifs. Its utility lies in its reactivity, enabling the construction of diverse molecular architectures.
| Molecular weight | 237.01 |
|---|---|
| Empirical formula | C6H5FIN |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 41-45 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 45 |
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-Fluoro-2-iodoaniline used for?
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5-Fluoro-2-iodoaniline is primarily used as an intermediate in organic synthesis, particularly for the development of pharmaceuticals and agrochemicals, as well as a building block in chemical synthesis.
What are the CAS number and formula for 5-Fluoro-2-iodoaniline?
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The CAS number for 5-Fluoro-2-iodoaniline is 255724-71-1, and its molecular formula is C6H5FIN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Fluoro-2-iodoaniline with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Fluoro-2-iodoaniline be handled?
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5-Fluoro-2-iodoaniline is classified as Danger with hazard statement H301 (Toxic if swallowed). It should be handled with extreme care in a well-ventilated area, using appropriate personal protective equipment. In case of exposure, immediate medical attention is required. Refer to the safety data sheet for detailed handling instructions.
How is 5-Fluoro-2-iodoaniline packed and exported?
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5-Fluoro-2-iodoaniline is packed according to relevant regulations for hazardous materials and can be shipped and exported globally by Tech Serve Solutions.
How can I request a sample or quote for 5-Fluoro-2-iodoaniline?
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To request a sample or a quote for 5-Fluoro-2-iodoaniline, please contact the Tech Serve Solutions sales team via the website or by telephone.
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