Heptafluorobenzyl iodide
Heptafluorobenzyl iodide (CAS 79865-03-5), with the molecular formula C7F7I and a molecular weight of 343.97 g/mol, is a halogenated hydrocarbon. This compound serves as a valuable intermediate in organic synthesis. Its utility lies in its reactive iodide group, making it suitable for introducing the heptafluorobenzyl moiety into various organic structures, particularly in the development of fluorinated materials and complex molecules.

Organic Synthesis Intermediate
Heptafluorobenzyl iodide is employed as a building block in the synthesis of more complex fluorinated organic compounds. Its reactive nature allows for versatile chemical transformations.
Fluorinated Materials Development
This compound can be used in the research and development of novel materials where the incorporation of a highly fluorinated benzyl group is desired for specific properties.
Research Reagent
It is utilised as a reagent in academic and industrial research laboratories for exploring new synthetic routes and methodologies involving perfluorinated aromatic systems.
| Molecular weight | 343.97 |
|---|---|
| Empirical formula | C7F7I |
| Grade | technical grade |
| Boiling point | 153 °C(lit.) |
| Density | 2.185 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.47(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 1760 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 Heptafluorobenzyl iodide used for?
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Heptafluorobenzyl iodide is primarily used as an intermediate in organic synthesis for the preparation of complex fluorinated compounds and materials. It acts as a building block for introducing the heptafluorobenzyl group.
What is the CAS number and formula for Heptafluorobenzyl iodide?
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The CAS number for Heptafluorobenzyl iodide is 79865-03-5, and its empirical formula is C7F7I.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Heptafluorobenzyl iodide as technical grade. We do not represent it as USP, BP, EP, or pharmacopoeia grade.
How should Heptafluorobenzyl iodide be handled safely?
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Heptafluorobenzyl iodide is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including face shields, gloves, and chemical-resistant clothing, must be worn. Handle in a well-ventilated area and use appropriate respiratory protection.
Is Heptafluorobenzyl iodide exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Heptafluorobenzyl iodide.
How can I request a sample or quote for Heptafluorobenzyl iodide?
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To request a sample or a quote for Heptafluorobenzyl iodide, please contact our sales department through the website or by phone.
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