3-Fluorobenzenesulfonamide
3-Fluorobenzenesulfonamide (CAS: 1524-40-9), with the molecular formula FC6H4SO2NH2 and a molecular weight of 175.18 g/mol, is a key organic fluorinated building block. This compound is primarily utilised in chemical synthesis for the development of more complex molecules. Its structure, featuring both a sulfonamide group and a fluorine atom on an aromatic ring, makes it a valuable intermediate in various research and development applications, particularly within the pharmaceutical and agrochemical sectors.

Organic Synthesis Intermediate
3-Fluorobenzenesulfonamide serves as a versatile intermediate in organic synthesis. It is employed in the construction of novel fluorinated organic compounds, leveraging the reactivity of the sulfonamide group and the electronic influence of the fluorine atom.
Pharmaceutical Research
This compound can be used as a building block in the synthesis of potential drug candidates. The incorporation of fluorine often modulates pharmacokinetic properties, making fluorinated scaffolds attractive in medicinal chemistry.
Agrochemical Development
In the agrochemical industry, 3-Fluorobenzenesulfonamide may be utilised in the discovery and development of new crop protection agents. Fluorinated compounds are known to exhibit diverse biological activities.
| Molecular weight | 175.18 |
|---|---|
| Linear formula | FC6H4SO2NH2 |
| Assay | 97% |
| Melting point | 124.5-128.5 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H331Toxic if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-36/37/38 |
| Safety statements (S) | 26-36-45 |
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-Fluorobenzenesulfonamide used for?
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3-Fluorobenzenesulfonamide is used as a building block and intermediate in organic synthesis, particularly for creating fluorinated organic compounds relevant to pharmaceutical and agrochemical research and development.
What is the CAS number and molecular formula for 3-Fluorobenzenesulfonamide?
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The CAS number for 3-Fluorobenzenesulfonamide is 1524-40-9, and its molecular formula is FC6H4SO2NH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Fluorobenzenesulfonamide with a minimum assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations for handling 3-Fluorobenzenesulfonamide?
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3-Fluorobenzenesulfonamide is classified as Dangerous (GHS06, Danger). It is toxic if swallowed, toxic in contact with skin, causes skin irritation, causes serious eye irritation, and toxic if inhaled with potential respiratory irritation (H301-H311-H315-H319-H331-H335). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and a type P2 respirator, should be used.
Is 3-Fluorobenzenesulfonamide a controlled substance?
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The provided data does not indicate that 3-Fluorobenzenesulfonamide is a controlled substance.
How is 3-Fluorobenzenesulfonamide packed and shipped?
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As per UN 2811 classification (6.1/PGIII), this product is shipped as a toxic solid. Specific packaging details for export comply with relevant international shipping regulations.
How can I request a sample or quote for 3-Fluorobenzenesulfonamide?
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To request a sample or obtain a quote for 3-Fluorobenzenesulfonamide, please contact the Tech Serve Solutions sales team through our official website or listed contact channels.
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