5-Fluoro-3-iodotoluene
5-Fluoro-3-iodotoluene (CAS 491862-84-1) is a halogenated aromatic compound with the molecular formula C7H6FI and a molecular weight of 236.03 g/mol. This fluorinated building block serves as a key intermediate in organic synthesis, particularly in the development of novel pharmaceuticals and agrochemicals. Its specific substitution pattern makes it valuable for introducing precisely functionalised aromatic rings into complex molecular structures.
- IUPAC
- 3-Fluoro-5-methyliodobenzene
- Synonyms
- 3-Fluoro-5-methyliodobenzene

Organic Synthesis Intermediate
Utilised as a building block in the synthesis of complex organic molecules. The presence of both fluorine and iodine atoms allows for versatile functionalisation through various coupling reactions and nucleophilic substitutions.
Pharmaceutical Research
A valuable intermediate in the discovery and development of new pharmaceutical agents. Its structure can be incorporated into lead compounds to enhance efficacy, metabolic stability, or binding affinity.
Agrochemical Development
Employed in the synthesis of novel agrochemicals, such as pesticides and herbicides. The unique electronic properties imparted by the fluorine and iodine substituents can influence biological activity.
Material Science
May find application in the synthesis of specialised materials where fluorinated aromatic motifs are desired for specific electronic or physical properties.
| Molecular weight | 236.03 |
|---|---|
| Empirical formula | C7H6FI |
| Assay | 97% |
| Density | 1.773 g/mL at 25 °C |
| Refractive index | n20/D 1.577 |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 87 °C / 188.6 °F |
| Transport (UN / ADR) | UN 2810 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-3-iodotoluene used for?
+
5-Fluoro-3-iodotoluene is primarily used as an intermediate in organic synthesis for the development of pharmaceuticals, agrochemicals, and potentially specialised materials.
What are the CAS number and chemical formula for 5-Fluoro-3-iodotoluene?
+
The CAS number is 491862-84-1, and the chemical formula is C7H6FI.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Fluoro-3-iodotoluene with an assay of 97%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Fluoro-3-iodotoluene be handled safely?
+
5-Fluoro-3-iodotoluene is classified as dangerous. It is toxic if swallowed (H301) and requires appropriate personal protective equipment including eyeshields, face shields, and suitable respiratory protection. Handle with extreme care in a well-ventilated area.
Is 5-Fluoro-3-iodotoluene a controlled substance?
+
The provided data does not indicate that 5-Fluoro-3-iodotoluene is a controlled substance.
How is 5-Fluoro-3-iodotoluene packed, shipped, and exported?
+
This compound is shipped as UN 2810, Hazard Class 6.1, Packing Group III. Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for 5-Fluoro-3-iodotoluene?
+
To request a sample or a quote for 5-Fluoro-3-iodotoluene, please contact our sales team through the website or designated contact channels.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis