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Triphenylphosphine

TPP, triphenylphosphane · CAS 603-35-0

Intermediates Pharmaceutical intermediate CoA per lotSDSGMP statement

A ligand and reagent that has to be clean to work: triphenylphosphine oxide is the cumulative oxidation product and the usual reason a coupling stalls. Held below 0.5% with the oxide reported on the CoA.

A reagent rather than a bulk raw material. Supplied in the pack sizes process chemists actually use, with the oxidation or hydrolysis product specified.

Identity

Catalogue no.BP-INT-019
CAS number603-35-0
Molecular formulaC18H15P
Molecular weight262.29 g/mol
HS code2931.90
SynonymsTPP, triphenylphosphane
Product linePharmaceutical Intermediates
CategoryReagents & Catalysts

Release specification

Catalogue standard below. For a supply agreement we release against your dossier specification; send it with the enquiry and the CoA will be built around it.

ParameterSpecification
Assay≥ 99.0%
Related substancesTriphenylphosphine oxide ≤ 0.50%; any unspecified impurity ≤ 0.30%
Water content≤ 0.5% (Karl Fischer)
Heavy metals≤ 20 ppm (ICP-MS)
Melting range79–82 °C
Residue on ignition≤ 0.10%

Application

Wittig and Mitsunobu reagent; ligand in palladium and nickel cross-couplings.

Packaging, storage & logistics

Standard packaging25 kg fibre drum with double PE liner
Minimum order25 kg
Lead time15–25 days
Storage conditionsStore below 30 °C in a dry place
Shipping documentsInvoice, packing list, CoA, SDS, certificate of origin; DGM/IATA declaration where applicable

Pack sizes available — pick one to prefill the enquiry

100 g1 kg25 kg500 kg

Documentation provided

  • CoA per lotLot-specific, with the test methods cited
  • SDSCurrent GHS revision; destination-language version on request
  • GMP statementSite-level GMP status and the last audit date, issued per customer

Need the DMF open part, a sample CoA or an audit pack before you can qualify us? Ask on the enquiry form — we send those documents before any commercial discussion.

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