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4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene

CAS 161265-03-8C39H32OP2Catalysis & Inorganic

4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene (CAS 161265-03-8), molecular formula C39H32OP2, 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
Xantphos
Synonyms
161265-03-8
4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene
Chemical SynthesisPhosphine Compounds
01 /Properties
Molecular weight578.62
Empirical formulaC39H32OP2
Assay97%
ApplicationLigand used in a synthesis of heterocycles by palladium-catalyzed C-N cross coupling of 3-bromothiophenes with 2-aminopyridines.1 Also used in a ruthenium-catalyzed alkylation of active methylene compounds with alcohols.2
Melting point224-228 °C(lit.)
02 /Safety & handling
Protective equipmentEyeshields, 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.

03 /Identifiers & registry
CAS number
161265-03-8
MDL number
MFCD00233866
PubChem substance
24874555
04 /Additional specifications
Ligand ForBuchwald-Hartwig Cross Coupling ReactionC-X Bond FormationHydroformylationsMiyaura Borylation ReactionStille CouplingSuzuki-Miyaura Coupling
05 /Quality & supply

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.

06 /Frequently asked questions

What is 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene?

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4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene (CAS 161265-03-8), molecular formula C39H32OP2, is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic applications, to USP, BP and EP standards.

What grades of 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene 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 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene?

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4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene has CAS number 161265-03-8 and molecular formula C39H32OP2. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene?

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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 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene 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 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene be stored?

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Store 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene 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 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene used for?

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4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene 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 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene?

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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.

Need 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene in a specific grade or volume?

Request a quote