Description

Tris(4-Methyl-2-Thienyl)Phosphine CAS NO 34761-99-4 is a specialized organophosphorus ligand featuring three thiophene-derived substituents, prized for its electron-rich and sterically demanding properties. This compound is critical for facilitating challenging cross-coupling reactions and other catalytic transformations in advanced chemical synthesis. It is an essential reagent for R&D chemists and process engineers in the pharmaceutical, agrochemical, and materials science industries seeking to develop novel compounds and high-performance materials.

Application

• As a ligand in transition metal catalysis, particularly for palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Negishi).
• Key component in the synthesis of pharmaceutical intermediates and active pharmaceutical ingredients (APIs) requiring precise stereochemical control.
• Used in the development of organic electronic materials, including organic light-emitting diodes (OLEDs) and semiconductors.
• Facilitates polymerization catalysts for creating specialty polymers with tailored properties.
• Employed in agrochemical research for the synthesis of novel herbicides and insecticides.
• Acts as a precursor or modifying agent in surface chemistry and nanotechnology applications.

Basic Information

Item	Details
Product Name	Tris(4-Methyl-2-Thienyl)Phosphine
CAS No.	34761-99-4
Molecular Formula	C15H15PS3
Molecular Weight	322.43 g/mol
Synonyms	Tris(4-methylthien-2-yl)phosphine; Tris(4-methyl-2-thienyl)phosphane; Phosphorous tris(4-methyl-2-thienyl); P(4-Me-2-Th)3; 4-Methyl-2-thienylphosphine; Tris(p-tolylthienyl)phosphine (related); Ligand for cross-coupling
EINECS	Contact for details

Quality Control

Our Tris(4-Methyl-2-Thienyl)Phosphine is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality system is designed to meet the rigorous standards demanded by pharmaceutical and advanced materials research.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its sensitivity to oxidation, the container should be purged with inert gas after each opening to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details

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