4,4′-(Phenylphosphinidene)bis(benzenesulfonic acid) dipotassium salt hydrate
4,4′-(Phenylphosphinidene)bis(benzenesulfonic acid) dipotassium salt hydrate (CAS 308103-66-4) is a phosphine ligand. This compound, with a molecular weight of 498.59 g/mol on an anhydrous basis, is supplied by Tech Serve Solutions with an assay of 97%. It is primarily utilised as a ligand in catalytic applications, particularly for cross-coupling reactions such as the Suzuki-Miyaura coupling, playing a vital role in chemical synthesis.
- Synonyms
- C6H5P(C6H4SO3K)2·xH2O
Catalysis
This phosphine ligand is integral to various catalytic processes, especially in facilitating cross-coupling reactions. Its structure is well-suited for promoting efficient chemical transformations.
Suzuki-Miyaura Coupling
The compound serves as an effective ligand for the Suzuki-Miyaura coupling reaction. This application is critical in organic synthesis for the formation of carbon-carbon bonds.
Chemical Synthesis
As a versatile phosphine compound, it contributes significantly to synthetic organic chemistry, enabling complex molecular construction through its role in catalytic cycles.
| Molecular weight | 498.59 (anhydrous basis) |
|---|---|
| Linear formula | C6H5P(C6H4SO3K)2·xH2O |
| Assay | 97% |
| Melting point | 370 °C (dec.)(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Ligand For | Suzuki-Miyaura Coupling |
|---|
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 4,4′-(Phenylphosphinidene)bis(benzenesulfonic acid) dipotassium salt hydrate used for?
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This compound functions as a phosphine ligand, primarily utilised in catalytic applications such as the Suzuki-Miyaura coupling for chemical synthesis and cross-coupling reactions.
What is the CAS number and formula for this compound?
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The CAS number is 308103-66-4, and the linear formula is C6H5P(C6H4SO3K)2·xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 97%. It is supplied for research and general chemical use and is not represented as USP, BP, EP, or any pharmacopoeia grade.
What are the safety and handling considerations?
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This compound is classified with GHS07 symbol and a 'Warning' signal word, with hazard statements including H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Always handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for full details.
How is this chemical packed and shipped?
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Tech Serve Solutions reliably packs and exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally, adhering to all necessary shipping and handling regulations for safe international transit.
How can I request a sample or quote?
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To request a sample or a quotation, please contact our sales team through the website or by direct inquiry, providing your details and the product of interest.
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