Description

Benzenesulfonic Acid,3-(Diphenylphosphino)-,Lithium Salt is a specialized organophosphorus compound that serves as a valuable ligand and catalyst precursor in advanced chemical synthesis. Its significance lies in its ability to facilitate challenging cross-coupling and asymmetric reactions, enabling the production of high-value, complex molecules. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise and efficient synthetic tools.

Application

• Pharmaceutical Intermediate Synthesis: Acts as a key ligand in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Sonogashira) for constructing complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Used in the catalytic synthesis of novel herbicides, fungicides, and insecticides that require specific stereochemistry.
• Advanced Material Production: Facilitates polymerization catalysts and serves as a precursor for creating functionalized polymers and organic electronic materials.
• Asymmetric Catalysis: Employed in the development of chiral catalysts for the production of enantiomerically pure compounds.
• Academic & Industrial R&D: A critical reagent for methodological development in organic chemistry and process optimization in pilot-scale studies.
• Fine Chemical Synthesis: Enables the efficient and selective formation of carbon-phosphorus and carbon-heteroatom bonds in specialty chemicals.

Basic Information

Product Name	Benzenesulfonic Acid,3-(Diphenylphosphino)-,Lithium Salt
CAS No.	88302-16-3
Molecular Formula	C24H20LiO3PS
Molecular Weight	426.33 g/mol
Synonyms	Lithium 3-(Diphenylphosphino)benzenesulfonate; 3-(Diphenylphosphino)benzenesulfonic Acid Lithium Salt; (3-Sulfophenyl)diphenylphosphine Lithium Salt; Li[3-Ph2P-C6H4-SO3]; P,P-Diphenyl-P'-(3-sulfonatophenyl)phosphine Lithium Salt; Ligand Precursor 88302-16-3; Water-Soluble Phosphine Ligand Salt; Sulfonated Triphenylphosphine Derivative Lithium Salt
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonic Acid,3-(Diphenylphosphino)-,Lithium Salt adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive catalytic applications. Each lot is characterized using advanced analytical techniques, including NMR, HPLC, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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