(3-Fluorophenyl)thiourea
(3-Fluorophenyl)thiourea (CAS 458-05-9) is an organic compound with the linear formula FC<sub>6</sub>H<sub>4</sub>NHCSNH<sub>2</sub> and a molecular weight of 170.21 g/mol. As a key building block, it finds application in chemical synthesis, particularly within research and development settings. Its structure, featuring a fluorinated phenyl ring and a thiourea moiety, makes it a valuable intermediate for constructing more complex molecules. Supplied with an assay of 97%, it serves as a reliable reagent for various chemical transformations.

Chemical Synthesis Intermediate
(3-Fluorophenyl)thiourea serves as a versatile building block in organic synthesis. Its functional groups allow for diverse reactions, enabling the creation of novel chemical entities and complex molecular structures.
Fluorinated Organic Compounds
This compound is utilized in the development and synthesis of various organic fluorinated compounds. The presence of fluorine can impart unique properties to target molecules, making it a sought-after reagent in specific synthetic pathways.
Research and Development
It is employed in academic and industrial research laboratories for exploring new synthetic methodologies and discovering novel compounds with potential applications in pharmaceuticals, agrochemicals, or materials science.
| Molecular weight | 170.21 |
|---|---|
| Linear formula | FC6H4NHCSNH2 |
| Assay | 97% |
| Melting point | 114-117 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| 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) | 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-Fluorophenyl)thiourea used for?
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(3-Fluorophenyl)thiourea is primarily used as a chemical synthesis intermediate and a building block for creating fluorinated organic compounds in research and development settings.
What are the CAS number and formula for (3-Fluorophenyl)thiourea?
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The CAS number for (3-Fluorophenyl)thiourea is 458-05-9, and its linear formula is FC<sub>6</sub>H<sub>4</sub>NHCSNH<sub>2</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (3-Fluorophenyl)thiourea with a purity of 97% (assay). This product is not classified as USP, BP, EP, or any other pharmacopoeia grade, and TSS does not represent it as such.
How should (3-Fluorophenyl)thiourea be handled safely?
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Handle with extreme care. (3-Fluorophenyl)thiourea is dangerous if swallowed (H301), causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields, faceshields, gloves, and P2 respirator cartridges (EN 143).
Is (3-Fluorophenyl)thiourea suitable for international export?
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Yes, (3-Fluorophenyl)thiourea is available for international export and is shipped according to relevant regulations (UN 2811 6.1 / PGIII).
How can I request a quote or sample of (3-Fluorophenyl)thiourea?
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To request a quote or a sample of (3-Fluorophenyl)thiourea, please contact our sales department through the website or by phone, providing your specific requirements.
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