Description

Triphenylphosphine is a versatile organophosphorus compound widely recognized as a crucial ligand in transition metal catalysis and a valuable reagent in organic synthesis. Its primary commercial value lies in its ability to facilitate key chemical transformations, including the Wittig reaction for olefin synthesis and various cross-coupling processes. This makes it an essential raw material for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where precise molecular construction is paramount.

Application

• Pharmaceutical Intermediates: A key reagent in the synthesis of active pharmaceutical ingredients (APIs), notably in Wittig reactions to form carbon-carbon double bonds.
• Catalyst Ligand: Serves as a fundamental phosphine ligand in homogeneous catalysis for cross-coupling reactions (e.g., Suzuki, Heck, Stille) and hydrogenation.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and plant growth regulators requiring specific olefinic intermediates.
• Polymer & Material Science: Acts as a stabilizer, flame retardant precursor, and chain-transfer agent in polymer production.
• Organic Synthesis Reagent: Employed in Mitsunobu reactions, Appel-type chlorinations, and as a reducing agent for organic peroxides and hydroperoxides.
• Electronic Chemicals: Used in the synthesis of organic light-emitting diodes (OLEDs) and other electronic materials.

Basic Information

Product Name	Triphenylphosphine
CAS No.	603-35-0
Molecular Formula	C18H15P
Molecular Weight	262.29 g/mol
Synonyms	Triphenylphosphane; Phosphorous Triphenyl; TPP; PPh3; Triphenyl Phosphine; Cellophane P; NSC 3636; (C6H5)3P
EINECS	210-036-0

Quality Control

Our Triphenylphosphine is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Products undergo rigorous testing, including chromatographic purity analysis and identity confirmation. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Melting Point	79 - 82 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.