Description

4'-Cyano-4-Biphenylsulfonic Acid is a high-value biphenyl derivative featuring both a sulfonic acid group and a cyano substituent, making it a versatile building block for advanced synthesis. This compound is critical for applications requiring precise molecular architecture and functional group compatibility. It is primarily utilized by research institutions and industrial R&D departments in the fields of liquid crystal materials, pharmaceutical intermediates, and specialty polymer synthesis.

Application

• Liquid Crystal (LC) Material Synthesis: A key intermediate for creating advanced biphenyl-based liquid crystal molecules used in display technologies.
• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Polymer Modification: Used to introduce sulfonic acid groups into polymers for ion-exchange membranes or to enhance solubility and functionality.
• Organic Synthesis & Research: A valuable reagent for constructing biphenyl scaffolds in medicinal chemistry and materials science research.
• Dye & Pigment Intermediate: Employed in the production of specialized dyes and pigments requiring sulfonated biphenyl structures.
• Electrolyte Additive: Investigated for use in advanced battery systems due to its ionic and structural properties.

Basic Information

Product Name	4'-Cyano-4-Biphenylsulfonic Acid
CAS No.	780010-15-3
Molecular Formula	C13H9NO3S
Molecular Weight	259.28 g/mol
Synonyms	4'-Cyano[1,1'-biphenyl]-4-sulfonic Acid; [1,1'-Biphenyl]-4-sulfonic Acid, 4'-Cyano-; 4-(4-Sulfophenyl)benzonitrile; p-Cyanobiphenyl-4'-sulfonic Acid; 4'-Cyanobiphenyl-4-sulfonic Acid; 4-Cyano-4'-sulfobiphenyl; NSC 406305; Biphenyl-4-sulfonic acid, 4'-cyano-
EINECS	Contact for details

Quality Control

Our 4'-Cyano-4-Biphenylsulfonic Acid is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee it meets your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The compound is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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