(2,5-Difluorophenyl)thiourea
(2,5-Difluorophenyl)thiourea (CAS 207981-44-0) is a fluorinated organic compound with the molecular formula F₂C₆H₃NHCSNH₂ and a molecular weight of 188.20 g/mol. As a key building block in chemical synthesis, it plays a role in the creation of more complex molecules. Its structural features, particularly the difluorophenyl group and the thiourea moiety, make it a valuable intermediate for researchers and chemists developing novel compounds, especially within the fields of medicinal chemistry and material science.
- Synonyms
- F2C6H3NHCSNH2

Organic Synthesis Intermediate
Utilised as a versatile building block in the synthesis of various organic compounds. Its difluorophenyl and thiourea functionalities allow for diverse chemical transformations.
Medicinal Chemistry Research
Serves as a precursor or intermediate in the development of potential pharmaceutical agents. The incorporation of fluorine atoms can modulate pharmacokinetic properties of drug candidates.
Material Science
Can be employed in the synthesis of novel materials where fluorinated aromatic structures are desired for specific electronic or physical properties.
| Molecular weight | 188.20 |
|---|---|
| Linear formula | F2C6H3NHCSNH2 |
| Assay | 97% |
| Melting point | 140-144 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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 (2,5-Difluorophenyl)thiourea primarily used for?
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(2,5-Difluorophenyl)thiourea is primarily used as an intermediate and building block in organic synthesis, particularly in areas like medicinal chemistry and material science for creating more complex fluorinated compounds.
What are the CAS number and chemical formula for (2,5-Difluorophenyl)thiourea?
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The CAS number for (2,5-Difluorophenyl)thiourea is 207981-44-0, and its linear chemical formula is F₂C₆H₃NHCSNH₂.
What grade and purity does Tech Serve Solutions supply for (2,5-Difluorophenyl)thiourea?
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Tech Serve Solutions supplies (2,5-Difluorophenyl)thiourea with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should (2,5-Difluorophenyl)thiourea be handled safely?
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Based on GHS information, (2,5-Difluorophenyl)thiourea is classified as Warning (H302, H315, H319, H335). Appropriate personal protective equipment includes a dust mask (type N95 US), eyeshields, faceshields, and gloves. Handle in a well-ventilated area or fume hood.
Is (2,5-Difluorophenyl)thiourea available for international export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (2,5-Difluorophenyl)thiourea.
How can I request a quotation or sample for (2,5-Difluorophenyl)thiourea?
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To request a quotation or sample of (2,5-Difluorophenyl)thiourea, please contact our sales team through the designated channels on our website.
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