4-(Diphenylphosphino)benzoic acid
4-(Diphenylphosphino)benzoic acid (CAS 2129-31-9) is an organophosphorus compound with the linear formula (C₆H₅)₂PC₆H₄CO₂H and a molecular weight of 306.30 g/mol. This white solid is a valuable intermediate and ligand in chemical synthesis, particularly in catalysis. It serves as a precursor and component in the development of sophisticated chemical processes and materials.
- IUPAC
- (4-Carboxyphenyl)diphenylphosphine,Diphenyl(p-carboxyphenyl) phosphine,p-(Diphenylphosphino)benzoic acid
- Synonyms
- 4-(Diphenylphosphino)benzoic acid(4-Carboxyphenyl)diphenylphosphineDiphenyl(p-carboxyphenyl) phosphinep-(Diphenylphosphino)benzoic acid
Ligand in Catalysis
This phosphine acid functions as a versatile ligand in transition metal catalysis. Its structure allows for tuning of electronic and steric properties, influencing catalytic activity and selectivity in various organic transformations.
Chemical Synthesis Intermediate
It acts as a crucial building block in the synthesis of more complex molecules. The presence of both a phosphine moiety and a carboxylic acid group enables diverse synthetic pathways.
Material Science Applications
Compounds derived from 4-(Diphenylphosphino)benzoic acid can be incorporated into functional materials. Its unique chemical structure may lend specific electronic or structural properties to polymers or coordination complexes.
| Molecular weight | 306.30 |
|---|---|
| Linear formula | (C6H5)2PC6H4CO2H |
| Assay | 97% |
| Melting point | 157-160 °C(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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 4-(Diphenylphosphino)benzoic acid used for?
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4-(Diphenylphosphino)benzoic acid is primarily used as a ligand in catalysis and as an intermediate in chemical synthesis. It is also relevant in material science applications.
What is the CAS number and formula for 4-(Diphenylphosphino)benzoic acid?
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The CAS number is 2129-31-9 and the linear formula is (C₆H₅)₂PC₆H₄CO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Diphenylphosphino)benzoic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-(Diphenylphosphino)benzoic acid be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Ensure adequate ventilation. Avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice. Refer to the Safety Data Sheet for comprehensive guidance.
Is 4-(Diphenylphosphino)benzoic acid classified as a hazardous substance?
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Yes, according to GHS classification, it is classified as a Warning with hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation).
How is 4-(Diphenylphosphino)benzoic acid shipped and exported?
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Tech Serve Solutions, a specialist global supplier and exporter, ships and exports 4-(Diphenylphosphino)benzoic acid according to international regulations for chemical transport. Please contact us for specific shipping details.
How can I request a quote or sample for 4-(Diphenylphosphino)benzoic acid?
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To request a quote or sample, please visit the product page on our website or contact our sales department directly. Our team will assist you with your inquiry.
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