2-Fluoro-4-iodotoluene
2-Fluoro-4-iodotoluene (CAS: 39998-81-7), with the molecular formula C7H6FI and a molecular weight of 236.03 g/mol, is a halogenated aromatic hydrocarbon. It serves as a valuable building block in organic synthesis, particularly for the introduction of fluorinated and iodinated toluene moieties. This compound is utilised in chemical research and development, contributing to the synthesis of more complex molecules.

Organic Synthesis Intermediate
2-Fluoro-4-iodotoluene is a key intermediate in the synthesis of various organic compounds. Its distinct halogenation pattern allows for selective functionalization in cross-coupling reactions and other transformations.
Pharmaceutical Research
This compound can be employed in the development of novel pharmaceutical agents. The presence of fluorine and iodine atoms can influence the pharmacokinetic and pharmacodynamic properties of drug candidates.
Materials Science
It may find application in the synthesis of specialised organic materials where specific electronic or structural properties are desired, stemming from its unique aromatic substitution pattern.
| Molecular weight | 236.03 |
|---|---|
| Linear formula | CH3C6H3(F)I |
| Assay | 98% |
| Refractive index | n20/D 1.578(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 | 79 °C / 174.2 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 2-Fluoro-4-iodotoluene used for?
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2-Fluoro-4-iodotoluene is primarily used as an intermediate and building block in organic synthesis, particularly in pharmaceutical research and the development of novel organic materials. Its structure lends itself to various chemical transformations.
What are the CAS number and molecular formula for 2-Fluoro-4-iodotoluene?
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The CAS number for 2-Fluoro-4-iodotoluene is 39998-81-7, and its molecular formula is C7H6FI.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Fluoro-4-iodotoluene with a minimum assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade, and it is typically considered for research and industrial use.
How should 2-Fluoro-4-iodotoluene be handled safely?
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2-Fluoro-4-iodotoluene is classified with GHS07 symbol and carries a Warning signal word. It is labelled with hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Handle with appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation or use a respirator.
How is 2-Fluoro-4-iodotoluene packed and shipped?
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As a global supplier, Tech Serve Solutions ensures that 2-Fluoro-4-iodotoluene is appropriately packed and exported in compliance with all relevant international shipping regulations for chemical substances.
How can I request a quote or sample of 2-Fluoro-4-iodotoluene?
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To request a quote or a sample of 2-Fluoro-4-iodotoluene, please use the contact form on our website or reach out to our sales department directly. Please specify the quantity required.
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