2-Fluoro-4-iodophenyl isocyanate
2-Fluoro-4-iodophenyl isocyanate (CAS 139072-17-6) is a specialized organic compound with the molecular formula C7H3FINCO and a molecular weight of 263.01 g/mol. This fluorinated aromatic isocyanate serves as a valuable building block in organic synthesis. It is primarily utilised in the development of novel chemical entities and functional materials, owing to its reactive isocyanate group and the presence of both fluorine and iodine substituents on the phenyl ring.

Pharmaceutical Intermediate
Used as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, leveraging its specific functional groups for molecular elaboration.
Agrochemical Synthesis
Applicable in the development of novel pesticides and herbicides, where the unique combination of halogen substituents can impart specific biological activity.
Materials Science
Employed in the creation of advanced polymers and functional materials due to the reactivity of the isocyanate group in polymerisation reactions and the influence of fluorine on material properties.
Organic Synthesis Reagent
Serves as a versatile building block in complex organic syntheses, enabling the introduction of the 2-fluoro-4-iodophenyl moiety into target molecules.
| Molecular weight | 263.01 |
|---|---|
| Linear formula | FC6H3INCO |
| Assay | 95% |
| Boiling point | 206-207 °C(lit.) |
| Density | 1.949 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.6150(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 2206 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| 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 2-Fluoro-4-iodophenyl isocyanate used for?
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2-Fluoro-4-iodophenyl isocyanate is primarily used as a building block in organic synthesis, particularly in the pharmaceutical, agrochemical, and materials science sectors for the development of novel chemical entities and functional materials.
What are the CAS number and formula for 2-Fluoro-4-iodophenyl isocyanate?
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The CAS number is 139072-17-6, and the linear formula is C7H3FINCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Fluoro-4-iodophenyl isocyanate with an assay of 95%. This is a research-grade chemical and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 2-Fluoro-4-iodophenyl isocyanate be handled safely?
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Handling requires caution due to hazards including H302 (harmful if swallowed), H312 (harmful in contact with skin), H315 (causes skin irritation), H319 (causes serious eye irritation), H332 (harmful if inhaled), H334 (may cause allergy or asthma symptoms or breathing difficulties if inhaled), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including eyeshields, face shields, and suitable respirators and gloves, is essential. Always consult the Safety Data Sheet before use.
Is 2-Fluoro-4-iodophenyl isocyanate a controlled substance?
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The provided data does not indicate that 2-Fluoro-4-iodophenyl isocyanate is a controlled substance.
How is 2-Fluoro-4-iodophenyl isocyanate packed, shipped, or exported?
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As a global supplier, Tech Serve Solutions adheres to all international shipping regulations for chemical compounds. Specific packaging details are available upon request, and shipments are managed by experienced logistics partners.
How can I request a quote or sample?
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To request a quote or a sample of 2-Fluoro-4-iodophenyl isocyanate, please visit the product page and use the designated 'Request a Quote' or 'Request a Sample' form, or contact our sales team directly.
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