4-Chloro-2-fluoroiodobenzene
4-Chloro-2-fluoroiodobenzene (CAS: 6797-79-1, Formula: ClC6H3(F)I) is a halogenated aromatic compound with a molecular weight of 256.44 g/mol. It serves as a valuable building block in organic synthesis, particularly for the introduction of fluorinated aryl moieties. Its unique combination of chloro, fluoro, and iodo substituents makes it a versatile intermediate for creating complex molecules in research and development settings.

Organic Synthesis Intermediate
This compound is utilised as a key intermediate in multi-step organic synthesis pathways. Its reactive iodine atom facilitates coupling reactions such as Suzuki, Stille, or Sonogashira couplings, enabling the formation of carbon-carbon bonds.
Pharmaceutical Research
The fluorinated benzene structure is a common motif in many pharmaceuticals. 4-Chloro-2-fluoroiodobenzene can be employed in the development of novel drug candidates where specific electronic or lipophilic properties are desired.
Materials Science
This molecule can be incorporated into the synthesis of advanced materials, including organic electronic components or specialised polymers, leveraging the properties conferred by its halogen substituents.
| Molecular weight | 256.44 |
|---|---|
| Linear formula | ClC6H3(F)I |
| Assay | 98% |
| Boiling point | 217 °C(lit.) |
| Density | 1.98 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.606(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 4-Chloro-2-fluoroiodobenzene used for?
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4-Chloro-2-fluoroiodobenzene is primarily used as a versatile building block and intermediate in organic synthesis, particularly in pharmaceutical research and materials science for introducing fluorinated aryl moieties.
What are the CAS number and chemical formula for 4-Chloro-2-fluoroiodobenzene?
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The CAS number is 6797-79-1 and the chemical formula is ClC6H3(F)I.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chloro-2-fluoroiodobenzene with a minimum assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should 4-Chloro-2-fluoroiodobenzene be handled?
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This compound is classified as an irritant to the skin, eyes, and respiratory system (H315, H319, H335). Handle with appropriate personal protective equipment, including eyeshields, chemical-resistant gloves, and ensure adequate ventilation or use a respirator. Avoid breathing dust/fume/gas/mist/vapours/spray.
Is 4-Chloro-2-fluoroiodobenzene a controlled substance?
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The provided data does not indicate that 4-Chloro-2-fluoroiodobenzene is a controlled substance.
How is 4-Chloro-2-fluoroiodobenzene packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with international regulations. Specific packaging details are available upon request for your region.
How can I request a sample or quote for 4-Chloro-2-fluoroiodobenzene?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team via the website or direct contact details provided.
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