2-(Diphenylphosphino)benzenesulfonic acid
2-(Diphenylphosphino)benzenesulfonic acid (CAS: 111864-25-6) is an organosulfur compound with the formula C18H15O3PS and a molecular weight of 342.35 g/mol. This white to off-white solid serves as a valuable building block in organic synthesis and chemical research. Its structure, featuring both a phosphine and a sulfonic acid group, allows for diverse reactivity in various chemical transformations, particularly in catalysis and materials science.
Organic Synthesis Intermediate
This compound acts as a versatile intermediate in the synthesis of complex organic molecules. Its functional groups can participate in a range of reactions, enabling the construction of novel chemical structures.
Ligand in Catalysis
The diphenylphosphino moiety can coordinate with transition metals, making it a potential ligand for homogeneous catalysis. This is useful in various cross-coupling reactions and other catalytic processes.
Materials Science
The sulfonic acid group provides solubility and potential for incorporation into polymers or functional materials. It can be used in the development of new materials with specific electronic or optical properties.
| Molecular weight | 342.35 |
|---|---|
| Empirical formula | C18H15O3PS |
| Assay | 97% |
| Melting point | 255-260 °C |
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 |
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-(Diphenylphosphino)benzenesulfonic acid used for?
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2-(Diphenylphosphino)benzenesulfonic acid is primarily used as a building block in organic synthesis and as a potential ligand in catalysis, contributing to the development of new chemical compounds and materials.
What are the CAS number and formula for this compound?
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The CAS number for 2-(Diphenylphosphino)benzenesulfonic acid is 111864-25-6, and its molecular formula is C18H15O3PS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Diphenylphosphino)benzenesulfonic acid with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling considerations for this chemical?
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This compound is classified as a Warning with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid contact with skin, eyes, and clothing, and do not inhale dust.
How is this chemical packaged, shipped, and exported?
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Tech Serve Solutions packages chemicals securely for transport. We are a global supplier and exporter, adhering to international shipping regulations for chemical products. Please contact us for specific shipping details to your location.
How can I request a sample or quote for 2-(Diphenylphosphino)benzenesulfonic acid?
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To request a sample or a quote, please use the contact form on our website or call our sales department. Provide the product name and CAS number (111864-25-6) for prompt service.
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