3-Fluorobenzyl isocyanate
3-Fluorobenzyl isocyanate (CAS: 102422-56-0) is an organic compound with the formula FC6H4CH2NCO and a molecular weight of 151.14 g/mol. This fluorinated benzyl isocyanate serves as a valuable building block in organic synthesis. It is particularly useful for introducing the 3-fluorobenzyl group into various molecules, finding applications in the development of pharmaceuticals and agrochemicals.

Pharmaceutical Intermediate
3-Fluorobenzyl isocyanate is employed in the synthesis of complex organic molecules that may serve as active pharmaceutical ingredients (APIs) or their precursors. Its fluorinated aromatic structure can impart desirable pharmacokinetic properties.
Agrochemical Development
This compound can be utilised in the creation of novel agrochemicals, such as herbicides, insecticides, or fungicides. The incorporation of fluorine atoms can enhance biological activity and stability.
Material Science Research
As a reactive isocyanate, it may be investigated for its potential in polymer chemistry and material science, enabling the synthesis of specialised fluorinated polymers or functional materials.
Organic Synthesis Building Block
It acts as a versatile reagent for introducing the 3-fluorobenzyl moiety into diverse organic structures. Its reactivity allows for efficient functionalisation in multi-step synthetic routes.
| Molecular weight | 151.14 |
|---|---|
| Linear formula | FC6H4CH2NCO |
| Assay | 98% |
| Boiling point | 209 °C(lit.) |
| Refractive index | n20/D 1.506(lit.) |
| Storage temperature | 2-8°C |


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 |
|---|---|
| Flash point | 90 °C / 194 °F |
| Transport (UN / ADR) | UN 3080 6.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| 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 3-Fluorobenzyl isocyanate used for?
+
3-Fluorobenzyl isocyanate is primarily used as a building block in organic synthesis, particularly for the development of pharmaceuticals and agrochemicals, and in material science research.
What are the CAS number and formula for 3-Fluorobenzyl isocyanate?
+
The CAS number is 102422-56-0 and the linear formula is FC6H4CH2NCO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-Fluorobenzyl isocyanate with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 3-Fluorobenzyl isocyanate be handled safely?
+
Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a suitable respirator. It is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation and respiratory irritation. Consult the Safety Data Sheet for full details.
Is 3-Fluorobenzyl isocyanate available for export?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Fluorobenzyl isocyanate.
How can I request a quote or sample for 3-Fluorobenzyl isocyanate?
+
Please contact our sales team via the website or direct inquiry to request a quote or sample of 3-Fluorobenzyl isocyanate.
▶ 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