Description

4-Tolylphosphine is a versatile organophosphorus compound, primarily valued as a key ligand in transition metal catalysis. Its importance lies in facilitating efficient cross-coupling and other catalytic reactions critical for modern chemical synthesis. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity intermediates for complex molecule construction.

Application

• As a ligand in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Stille) for C-C bond formation.
• Precursor for the synthesis of more complex phosphine ligands and metal-phosphine complexes.
• Catalyst component in hydroformylation and hydrogenation processes.
• Intermediate in the production of pharmaceutical active ingredients (APIs) and fine chemicals.
• Used in materials science for the development of organometallic polymers and catalysts.
• Research and development of new catalytic systems in academic and industrial laboratories.

Basic Information

Product Name	4-Tolylphosphine
CAS No.	53772-54-6
Molecular Formula	C7H9P
Molecular Weight	124.12 g/mol
Synonyms	p-Tolylphosphine; (4-Methylphenyl)phosphine; Phosphinous acid, P-(4-methylphenyl)-; 4-Methylphenylphosphine; P-Tolylphosphine; Tolylphosphine; 4-Methylbenzenephosphine; 4-Tolyphosphine
EINECS	Contact for details

Quality Control

Our 4-Tolylphosphine undergoes rigorous quality testing to ensure compliance with industry standards. We provide comprehensive analytical data to guarantee batch-to-batch consistency and purity. Certificates of Analysis (COA) detailing specifications such as purity (by GC or NMR), identity confirmation, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Due to its air-sensitive nature, containers should be purged with inert gas after each opening.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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