2-(Diphenylphosphino)benzoic acid
2-(Diphenylphosphino)benzoic acid (CAS 17261-28-8), with the molecular formula (C<sub>6</sub>H<sub>5</sub>)<sub>2</sub>PC<sub>6</sub>H<sub>4</sub>CO<sub>2</sub>H and a molecular weight of 306.30 g/mol, is a key phosphine ligand. Its structure incorporates both a phosphine moiety and a carboxylic acid group, enabling diverse coordination chemistry. This compound finds primary application as a valuable ligand in organometallic catalysis and in various organic synthesis transformations.
- IUPAC
- (2-Carboxyphenyl)diphenylphosphine
- Synonyms
- (2-Carboxyphenyl)diphenylphosphine
Ligand in Homogeneous Catalysis
This phosphine acid is employed as a ligand in transition metal-catalyzed reactions. Its unique structure allows for tuning of catalytic activity and selectivity in processes such as cross-coupling reactions.
Organic Synthesis Intermediate
As a bifunctional molecule, it serves as a building block in the synthesis of more complex organic molecules. The phosphine group can participate in further functionalization or act as a directing group.
Coordination Chemistry
The compound's ability to coordinate with metal centres makes it useful in the study and development of novel coordination complexes with specific electronic and steric properties.
| Molecular weight | 306.30 |
|---|---|
| Linear formula | (C6H5)2PC6H4CO2H |
| Assay | 97% |
| Melting point | 174-181 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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)benzoic acid used for?
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2-(Diphenylphosphino)benzoic acid (CAS 17261-28-8) is primarily used as a ligand in catalysis and as an intermediate in organic synthesis.
What is the CAS number and chemical formula for 2-(Diphenylphosphino)benzoic acid?
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The CAS number is 17261-28-8, and its linear formula is (C<sub>6</sub>H<sub>5</sub>)<sub>2</sub>PC<sub>6</sub>H<sub>4</sub>CO<sub>2</sub>H.
What grade and purity does Tech Serve Solutions supply for 2-(Diphenylphosphino)benzoic acid?
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Tech Serve Solutions supplies 2-(Diphenylphosphino)benzoic acid with an assay of 97%. This product is not supplied as USP, BP, or EP grade.
How should 2-(Diphenylphosphino)benzoic acid be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves. Ensure adequate ventilation to avoid inhaling dust (H332, H335). Avoid contact with skin (H315) and eyes (H319).
Is 2-(Diphenylphosphino)benzoic acid a controlled substance?
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Based on the provided data, 2-(Diphenylphosphino)benzoic acid is not indicated as a controlled substance.
How is 2-(Diphenylphosphino)benzoic acid packed and shipped?
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While specific packaging details vary, Tech Serve Solutions exports fine chemicals globally, adhering to all necessary regulations for safe transport.
How can I request a quote or sample for 2-(Diphenylphosphino)benzoic acid?
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Please contact our sales department directly through our website or by phone to request a quote or a sample.
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