Description

tert-Butyldiphenylphosphine is a versatile and highly useful tertiary phosphine ligand in organometallic chemistry and catalysis. Its steric bulk and strong electron-donating properties make it a critical component for accelerating cross-coupling reactions and other catalytic transformations. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require efficient and selective synthetic pathways.

Application

• Catalyst Ligand for Cross-Coupling Reactions: A key ligand in palladium-catalyzed Suzuki, Heck, and Negishi couplings for constructing C-C bonds in complex molecules.
• Pharmaceutical Intermediate Synthesis: Used in the production of active pharmaceutical ingredients (APIs) where precise stereochemical control is required.
• Agrochemical Manufacturing: Employed in the synthesis of advanced herbicides, fungicides, and insecticides.
• Material Science Research: Facilitates the development of novel polymers, ligands for metal-organic frameworks (MOFs), and other functional materials.
• Homogeneous Catalysis: Acts as a stabilizing and activating ligand for various transition metal catalysts in solution-phase reactions.
• Academic & Industrial R&D: A fundamental reagent for method development and exploratory synthesis in chemistry laboratories worldwide.

Basic Information

Product Name	tert-Butyldiphenylphosphine
CAS No.	6002-34-2
Molecular Formula	C₁₆H₁₉P
Molecular Weight	242.30 g/mol
Synonyms	t-Butyldiphenylphosphine; (tert-Butyl)diphenylphosphine; Diphenyl(tert-butyl)phosphine; Phosphine, tert-butyldiphenyl-; DTBP; t-BuPPh₂; NSC 163082; 2-Methyl-2-(diphenylphosphino)propane
EINECS	227-872-9

Quality Control

Our tert-Butyldiphenylphosphine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	58 - 62 °C
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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