Description

Phosphonium Salt Ii-41 is a specialized organophosphorus compound with the CAS registry number 126618-47-1, valued for its role as a versatile intermediate and catalyst in advanced chemical synthesis. Its significance lies in enabling high-efficiency reactions, particularly in the production of fine chemicals and functional materials where precise molecular control is required. This product is essential for R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors seeking to develop novel compounds and enhance process yields.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, improving yield and selectivity in alkylation and other organic transformations.
• Polymerization Initiator/Co-catalyst: Used in the synthesis of specialized polymers and resins, including epoxy curing agents and high-performance materials.
• Pharmaceutical Intermediate: Serves as a key building block in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Employed in the production of advanced pesticides, herbicides, and plant growth regulators.
• Ligand for Metal Complexes: Acts as a precursor for phosphine ligands used in homogeneous catalysis, such as cross-coupling reactions.
• Surface Modification Agent: Imparts specific functional properties to materials in coatings and surface treatment applications.
• Flame Retardant Synergist: Can be utilized in the development of flame-retardant formulations for plastics and textiles.
• Research & Development: A valuable tool for chemists in academia and industry exploring new reaction methodologies and material science.

Basic Information

Product Name	Phosphonium Salt Ii-41
CAS No.	126618-47-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	II-41 Phosphonium Salt; Phosphonium Salt II 41; Tetraphenylphosphonium Salt Derivative; (Tetraphenylphosphonium) Salt; Organophosphonium Salt II-41; PPh4+ Salt II-41; Catalyst II-41; Phase Transfer Catalyst II-41
EINECS	Contact for details

Quality Control

Our Phosphonium Salt Ii-41 is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopic methods, to confirm identity and meet stringent impurity profiles. A Certificate of Analysis (COA) detailing specific results for purity, residual solvents, and other critical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept in a cool, dry place with minimal exposure to atmospheric humidity. For long-term stability, store at a controlled room temperature (15-25°C) under an inert atmosphere such as nitrogen or argon. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm

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