3-Fluorophenyl isothiocyanate
3-Fluorophenyl isothiocyanate (CAS: 404-72-8, Formula: FC6H4NCS) is a fluorinated organic building block with a molecular weight of 153.18. As a reactive isothiocyanate derivative, it serves as a key intermediate in chemical synthesis. Its applications are primarily within research and development for creating novel compounds, particularly in the fields of organic chemistry and medicinal chemistry. Tech Serve Solutions supplies this compound for laboratory and industrial use.

Organic Synthesis Intermediate
3-Fluorophenyl isothiocyanate is utilized as a versatile building block in complex organic synthesis. It enables the introduction of the 3-fluorophenyl group and the isothiocyanate functionality into target molecules.
Medicinal Chemistry Research
This compound is employed in the development of new pharmaceutical agents. Its unique structural features can contribute to the biological activity of potential drug candidates.
Material Science Applications
It may be used in the synthesis of specialised polymers or materials where the fluorophenyl moiety imparts specific properties.
| Molecular weight | 153.18 |
|---|---|
| Linear formula | FC6H4NCS |
| Assay | 99% |
| Boiling point | 227 °C(lit.) |
| Density | 1.27 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.62(lit.) |
| Storage temperature | 2-8°C |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H332Harmful 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
- 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 |
|---|---|
| Flash point | 85 °C / 185 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34-36/37 |
| Safety statements (S) | 26-27-36/37/39-45 |
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 3-Fluorophenyl isothiocyanate used for?
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3-Fluorophenyl isothiocyanate is primarily used as a building block in organic synthesis, particularly in medicinal chemistry research for the development of new compounds.
What is the CAS number and chemical formula for 3-Fluorophenyl isothiocyanate?
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The CAS number is 404-72-8 and the chemical formula is FC6H4NCS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Fluorophenyl isothiocyanate with an assay of 99%. We do not represent it as USP, BP, or EP grade.
How should 3-Fluorophenyl isothiocyanate be handled safely?
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3-Fluorophenyl isothiocyanate is a Danger hazard. It is harmful if swallowed, in contact with skin, or if inhaled, and causes severe skin burns and eye damage. Always use appropriate personal protective equipment, including chemical-resistant gloves, eye protection (goggles/face shield), and respiratory protection, and handle in a well-ventilated area or fume hood. Refer to the Safety Data Sheet for full details.
Is 3-Fluorophenyl isothiocyanate exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Fluorophenyl isothiocyanate.
How can I request a sample or quote for 3-Fluorophenyl isothiocyanate?
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Please contact our sales team via the website or telephone to request a sample or a quotation for 3-Fluorophenyl isothiocyanate.
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