CAS Registry Number

CAS 603-35-0 — Triphenylphosphine (TPP)

Triphenylphosphine (TPP) is a white crystalline organophosphorus compound widely used as a ligand in homogeneous catalysis, a reducing agent in organic synthesis, and a stabilizer in polymers. It is also employed in Wittig reactions and as a phase-transfer catalyst. This high-purity reagent has a CAS number of 603-35-0, a molecular formula of (C6H5)3P, and a molecular weight of 262.29 g/mol. Store at ambient conditions with proper ventilation, as it carries a danger signal word due to its toxicity and flammability. Molekula supplies Triphenylphosphine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Triphenylphosphine (TPP) Crystals · Triphenylphosphine (TPP) (White Flakes)