Description

[1,1'-Biphenyl]-4-Sulfinic Acid, Sodium Salt is a specialized organosulfur compound used as a key intermediate and reagent in advanced chemical synthesis. Its value lies in its role as a versatile building block for creating more complex molecules, particularly in the development of pharmaceuticals and functional materials. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce sulfinate functionality into target structures.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing biphenyl or sulfone motifs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Preparation: Serves as a precursor for sulfinate-based ligands used in transition metal catalysis and cross-coupling reactions.
• Material Science Research: Employed in the development of organic electronic materials, such as those for OLEDs and conductive polymers.
• Chemical Research & Development: A valuable reagent for exploring new sulfonation and sulfination pathways in academic and industrial laboratories.
• Fine Chemical Production: Used in the manufacture of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	[1,1'-Biphenyl]-4-Sulfinic Acid, Sodium Salt
CAS No.	131419-12-0
Molecular Formula	C12H9NaO2S
Molecular Weight	240.25 g/mol
Synonyms	Sodium 4-Phenylbenzenesulfinate; Sodium Biphenyl-4-sulfinate; 4-Biphenylsulfinic Acid Sodium Salt; p-Biphenylsulfinic Acid Sodium Salt; Sodium [1,1'-Biphenyl]-4-sulfinate; 4-Phenylbenzenesulfinic Acid Sodium Salt; (1,1'-Biphenyl)-4-sulfinic Acid Sodium Salt; Sodium (1,1'-biphenyl-4-yl)sulfinate
EINECS	Contact for details

Quality Control

Every batch of [1,1'-Biphenyl]-4-Sulfinic Acid, Sodium Salt is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. Comprehensive analytical testing, including HPLC for purity and identity confirmation, is performed. A Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to handle and store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability and to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 3.0%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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