Bis(4-methoxyphenyl)phosphinic acid

CAS 20434-05-3(CH3OC6H4)2P(O)OHChemical Synthesis

Bis(4-methoxyphenyl)phosphinic acid (CAS: 20434-05-3) is an organophosphorus compound with the molecular formula (CH3OC6H4)2P(O)OH and a molecular weight of 278.24 g/mol. This white to off-white solid is primarily utilised as a building block in chemical synthesis. It has been specifically employed in the modification of titania films for dye-sensitized solar cells to enhance efficiency.

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Bis(4-methoxyphenyl)phosphinic acid ((CH3OC6H4)2P(O)OH) — chemical structure, CAS 20434-05-3; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksChemical SynthesisOrganic Building BlocksPhosphonic/Phosphinic AcidsPhosphorus Compounds

01 /Applications

Enhancing Dye-Sensitized Solar Cells (DSSCs)

Bis(4-methoxyphenyl)phosphinic acid has been demonstrated to improve the efficiency of dye-sensitized solar cells. It functions by treating the chemical surface of porphyrin-sensitized titania films after dye adsorption.

Organic Synthesis Building Block

As a phosphinic acid derivative, this compound serves as a valuable building block in various organic synthesis pathways. Its structure allows for incorporation into more complex molecules.

Phosphorus Compound Research

This compound falls under the category of phosphorus compounds, making it a subject of interest for researchers exploring novel phosphorus-containing materials and their properties.

02 /Properties

Molecular weight	278.24
Linear formula	(CH3OC6H4)2P(O)OH
Assay	99%
Application	Bis(4-methoxyphenyl)phosphinic acid was used to treat the chemical surface of porphyrin-sensitised titania films after dye adsorption to enhance the efficiency of dye-sensitized solar cells (DSSC)1.
Melting point	185-187 °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

20434-05-3

MDL number

MFCD00010226

PubChem substance

24856592

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 Bis(4-methoxyphenyl)phosphinic acid used for?

Bis(4-methoxyphenyl)phosphinic acid is used as a building block in chemical synthesis and has been applied to enhance the efficiency of dye-sensitized solar cells (DSSCs) by modifying titania films.

What is the CAS number and formula for Bis(4-methoxyphenyl)phosphinic acid?

The CAS number is 20434-05-3 and the linear formula is (CH3OC6H4)2P(O)OH.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Bis(4-methoxyphenyl)phosphinic acid with an assay of 99%. We do not represent this product as USP, BP, or EP grade.

How should Bis(4-methoxyphenyl)phosphinic acid be handled?

Handling Bis(4-methoxyphenyl)phosphinic acid requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used.

Is Bis(4-methoxyphenyl)phosphinic acid a controlled substance?

Based on the provided data, there is no indication that Bis(4-methoxyphenyl)phosphinic acid is a controlled substance.

How is Bis(4-methoxyphenyl)phosphinic acid packed, shipped, and exported?

As a specialist global supplier, Tech Serve Solutions exports fine chemicals worldwide. Specific packing and shipping details are provided upon request.