(4-Fluorophenyl)thiourea
(4-Fluorophenyl)thiourea (CAS 459-05-2), with the linear formula FC6H4NHCSNH2 and a molecular weight of 170.21 g/mol, is a valuable fluorinated organic building block. This compound serves as a versatile intermediate in chemical synthesis, particularly in the development of novel molecules. Its applications span various research and development sectors, offering unique properties due to the presence of both fluorine and a thiourea moiety. Tech Serve Solutions supplies this chemical for research and industrial applications.
- IUPAC
- 1-(4-Fluorophenyl)-2-thiourea
- Synonyms
- 1-(4-Fluorophenyl)-2-thiourea

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of more complex organic molecules. Its structure allows for diverse chemical transformations, making it valuable in research and development.
Fluorinated Compound Development
Incorporates a fluorine atom, enabling its use in the creation of fluorinated organic compounds. These are often sought after for their unique electronic and biological properties.
Research and Development
A chemical reagent employed in academic and industrial laboratories for exploratory synthesis and the investigation of new chemical entities.
| Molecular weight | 170.21 |
|---|---|
| Linear formula | FC6H4NHCSNH2 |
| Assay | 97% |
| Melting point | 163-167 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H319Causes serious eye irritation
Precautionary statements
- 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 |
| 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 (4-Fluorophenyl)thiourea primarily used for?
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(4-Fluorophenyl)thiourea is primarily used as an intermediate in organic synthesis and for the development of fluorinated organic compounds in research and development settings.
What is the CAS number and chemical formula for (4-Fluorophenyl)thiourea?
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The CAS number is 459-05-2 and the linear formula is FC6H4NHCSNH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (4-Fluorophenyl)thiourea with an assay of 97%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades unless explicitly stated.
How should (4-Fluorophenyl)thiourea be handled safely?
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(4-Fluorophenyl)thiourea is classified as Danger with hazards H301 (Toxic if swallowed) and H319 (Causes serious eye irritation). Appropriate personal protective equipment including eyeshields, face shields, gloves, and P2 respirator cartridges must be used. Handle only in well-ventilated areas.
Is (4-Fluorophenyl)thiourea a controlled substance?
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The provided data does not indicate that (4-Fluorophenyl)thiourea is a controlled substance.
How is (4-Fluorophenyl)thiourea packed and exported?
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(4-Fluorophenyl)thiourea is shipped under UN 2811 classification (Toxic solid, organic, n.o.s.), Hazard Class 6.1, Packing Group III. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a quote or sample?
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Please contact Tech Serve Solutions directly through our website or sales team to request a quote or a sample of (4-Fluorophenyl)thiourea.
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