(3-Furanyl)sulfur pentafluoride
(3-Furanyl)sulfur pentafluoride (CAS: 917567-74-9) is a fluorinated organosulfur compound with the molecular formula C4H3F5OS and a molecular weight of 194.12 g/mol. This chemical building block features a furan ring functionalised with a sulfur pentafluoride group. It is primarily utilised in organic synthesis, particularly in the development of novel fluorinated heterocyclic compounds and as a reagent in chemical research.
- IUPAC
- Pentafluoro-3-furanylsulfur

Fluorinated Building Block
Serves as a key intermediate in the synthesis of complex organic molecules incorporating fluorine and a furan moiety. Its unique structure allows for the introduction of specific fluorinated functionalities into target compounds.
Chemical Synthesis
Employed in advanced organic synthesis for the creation of new chemical entities. It is valuable for researchers developing novel pharmaceutical intermediates, agrochemicals, and materials science compounds.
Heterocyclic Chemistry
A useful reagent for researchers working with heterocyclic compounds, particularly those based on the furan scaffold. It enables the exploration of novel furan derivatives with enhanced properties.
| Molecular weight | 194.12 |
|---|---|
| Empirical formula | C4H3F5OS |
| Boiling point | 101-103 °C/760 mmHg |
| Density | 1.571 g/mL at 25 °C |
| Refractive index | n20/D 1.373 |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 12 °C / 53.6 °F |
| Transport (UN / ADR) | UN 1993BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| 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 (3-Furanyl)sulfur pentafluoride used for?
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(3-Furanyl)sulfur pentafluoride is primarily used as a building block in organic synthesis and for the development of novel fluorinated heterocyclic compounds in chemical research.
What is the CAS number and formula for (3-Furanyl)sulfur pentafluoride?
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The CAS number is 917567-74-9 and the empirical formula is C4H3F5OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and development purposes. Purity information is available on the product's specification sheet. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How is (3-Furanyl)sulfur pentafluoride handled and stored?
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As indicated by its Danger signal word and H225 (Highly flammable liquid and vapour), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation) hazard statements, appropriate personal protective equipment, including eyeshields, face shields, and suitable respirator filters, must be used. Store in a cool, well-ventilated area away from ignition sources.
How is (3-Furanyl)sulfur pentafluoride packed, shipped, and exported?
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This product is packed and shipped in compliance with all relevant regulations for hazardous materials, including UN 1993 classification. Tech Serve Solutions is an experienced global exporter.
How can I request a sample or quote for (3-Furanyl)sulfur pentafluoride?
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To request a sample or quote, please use the enquiry form on our website or contact our sales department directly.
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