(4-Hydroxyphenyl)diphenylphosphine

CAS 5068-21-3(C6H5)2PC6H4OHCatalysis & Inorganic

(4-Hydroxyphenyl)diphenylphosphine (CAS 5068-21-3) is an organophosphorus compound with the linear formula (C₆H₅)₂PC₆H₄OH and a molecular weight of 278.28 g/mol. This chemical is primarily utilised as a versatile building block in organic synthesis and as a ligand in catalysis. Its unique structure allows for participation in various chemical transformations, making it a valuable reagent for researchers and industrial chemists.

IUPAC: 4-(Diphenylphosphino)phenol,(p-Hydroxyphenyl)diphenylphosphine
Synonyms: 4-(Diphenylphosphino)phenol(p-Hydroxyphenyl)diphenylphosphine

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(4-Hydroxyphenyl)diphenylphosphine ((C6H5)2PC6H4OH) — chemical structure, CAS 5068-21-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisPhosphine CompoundsPhosphine Ligands

01 /Applications

Ligand in Catalysis

Serves as a phosphine ligand in transition metal catalysis, facilitating reactions such as cross-coupling and hydroformylation. Its electronic and steric properties can be fine-tuned for specific catalytic applications.

Intermediate in Organic Synthesis

Acts as a key intermediate in the synthesis of complex organic molecules. The hydroxyl group and phosphine moiety offer distinct sites for further chemical modification.

Reagent for Material Science

Can be incorporated into polymers or used in the development of functional materials due to the phosphine and phenol functionalities.

02 /Properties

Molecular weight	278.28
Linear formula	(C6H5)2PC6H4OH
Assay	98%
Melting point	105-110 °C(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

5068-21-3

MDL number

MFCD00775358

05 /Quality & supply

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.

06 /Frequently asked questions

What is (4-Hydroxyphenyl)diphenylphosphine used for?

(4-Hydroxyphenyl)diphenylphosphine is used as a ligand in catalysis, an intermediate in organic synthesis, and a reagent in material science.

What is the CAS number and formula for (4-Hydroxyphenyl)diphenylphosphine?

The CAS number is 5068-21-3, and the linear formula is (C₆H₅)₂PC₆H₄OH.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (4-Hydroxyphenyl)diphenylphosphine with an assay of 98%. This is a technical/research grade material and is not represented as USP, BP, or EP.

What are the safety and handling recommendations for (4-Hydroxyphenyl)diphenylphosphine?

Safety precautions include wearing eyeshields and gloves, and using a type N95 (US) or type P1 (EN143) respirator filter. The compound has a WGK Germany rating of 3, indicating a high hazard to water.

How is (4-Hydroxyphenyl)diphenylphosphine packed, shipped, and exported?

Products are carefully packed according to international shipping regulations to ensure safe transport and export. Specific packaging details are available upon request.