Pentafluorophenyl sulfide
Pentafluorophenyl sulfide (CAS: 1043-50-1), with the linear formula (C6F5)2S and a molecular weight of 366.18 g/mol, is a specialised organofluorine compound. It serves as a valuable building block in organic synthesis, particularly for introducing the pentafluorophenylthio group into various molecular structures. Its unique properties make it suitable for research and development in advanced materials and pharmaceutical intermediate synthesis.
- IUPAC
- Decafluorodiphenyl sulfide

Organic Synthesis Intermediate
Pentafluorophenyl sulfide is employed as a versatile building block in the synthesis of complex organic molecules. It facilitates the introduction of the electron-withdrawing pentafluorophenylthio moiety, which can significantly alter the electronic and steric properties of target compounds.
Fluorinated Materials Research
This compound is utilised in the development of novel fluorinated materials. The presence of multiple fluorine atoms can impart desirable characteristics such as thermal stability, chemical resistance, and unique electronic properties to polymers and other advanced materials.
Pharmaceutical and Agrochemical Research
It serves as a precursor or intermediate in the research and development of new pharmaceutical agents and agrochemicals. The pentafluorophenyl group can influence biological activity and metabolic stability.
| Molecular weight | 366.18 |
|---|---|
| Linear formula | (C6F5)2S |
| Assay | 98% |
| Melting point | 86-88 °C(lit.) |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 36/37/38-50/53 |
| Safety statements (S) | 26-37/39-60-61 |
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 Pentafluorophenyl sulfide used for?
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Pentafluorophenyl sulfide is used as a building block in organic synthesis, particularly for introducing the pentafluorophenylthio group into molecules, and in research for developing fluorinated materials, pharmaceuticals, and agrochemicals.
What is the CAS number and formula for Pentafluorophenyl sulfide?
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The CAS number is 1043-50-1 and the linear formula is (C6F5)2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pentafluorophenyl sulfide at an assay of 98%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade unless explicitly stated in the product specifications.
How should Pentafluorophenyl sulfide be handled safely?
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Pentafluorophenyl sulfide is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). It is also toxic to aquatic life with long-lasting effects (H400). Handle with a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area, and avoid release to the environment. Follow P261, P273, P305 + P351 + P338 precautionary statements.
Is Pentafluorophenyl sulfide a controlled substance?
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The provided data does not indicate that Pentafluorophenyl sulfide is a controlled substance. However, users should always verify local regulations.
How is Pentafluorophenyl sulfide packed and shipped?
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Pentafluorophenyl sulfide is packed according to UN 3077, Class 9, Packing Group III specifications for transport. Tech Serve Solutions exports chemicals globally.
How can I request a sample or quote for Pentafluorophenyl sulfide?
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To request a sample or quote for Pentafluorophenyl sulfide, please contact our sales team through the website or by phone.
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