Allyldiphenylphosphine oxide
Allyldiphenylphosphine oxide (CAS 4141-48-4), molecular formula H2C=CHCH2P(C6H5)2(O), is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- Diphenyl-2-propenylphosphine oxide,NSC 616249,NSC 98715

| Molecular weight | 242.25 |
|---|---|
| Linear formula | H2C=CHCH2P(C6H5)2(O) |
| Assay | 97% |
| Application | Reactant for:• Preparaton of a-substituted alkylsilanes via regio- and chemoselective copper-catalyzed silylzincation and electrophilic substitution from terminal alkenes, and prepn. of α-substituted alcohols via Fleming-Tamao oxidation of alkylsilanes1• Olefin isomerization with Grubbs′ catalysts occluded in a hydrophobic matrix of polydimethylsiloxane (PDMS)2• C9-substituted trans-hydrindene via diastereotopic group-selective intramolecular Diels-Alder reaction3• Isomerization of allyl group-containing compounds to propenyl group-containing compounds in the presence of a Grubbs second-generation Ru catalyst4• Ruthenium-catalyzed olefin cross-metathesis of vinyl and allyl phosphine oxides to give alkenyl phosphine oxides and bis-phosphine oxides5 |
| Melting point | 110-114 °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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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 Allyldiphenylphosphine oxide?
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Allyldiphenylphosphine oxide (CAS 4141-48-4), molecular formula H2C=CHCH2P(C6H5)2(O), is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic applications, to USP, BP and EP standards.
What grades of Allyldiphenylphosphine oxide does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Allyldiphenylphosphine oxide in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Allyldiphenylphosphine oxide?
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Allyldiphenylphosphine oxide has CAS number 4141-48-4 and molecular formula H2C=CHCH2P(C6H5)2(O). Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Allyldiphenylphosphine oxide?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Allyldiphenylphosphine oxide ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Allyldiphenylphosphine oxide be stored?
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Store Allyldiphenylphosphine oxide in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Allyldiphenylphosphine oxide used for?
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Allyldiphenylphosphine oxide is used in catalysis & inorganic applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Allyldiphenylphosphine oxide?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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