Description

[Terphenyl]Disulphonic Acid CAS NO 83997-39-1 is a specialized aromatic sulfonic acid derivative, characterized by its strong acidity and solubility in organic solvents. This compound serves as a high-performance intermediate and catalyst in advanced chemical synthesis, valued for its ability to introduce sulfonic acid groups and its efficacy in acidic reaction media. It is essential for industrial chemists and manufacturers in sectors such as fine chemicals, polymer modification, and specialty material production.

Application

• Catalyst in Organic Synthesis: Acts as a strong acid catalyst for esterification, alkylation, and condensation reactions.
• Polymer Industry Intermediate: Used in the synthesis of ion-exchange resins, polyelectrolytes, and sulfonated polymers.
• Dye and Pigment Manufacturing: Serves as a sulfonating agent and intermediate in the production of acid dyes and organic pigments.
• Surfactant and Detergent Precursor: A key building block for synthesizing specialized anionic surfactants.
• Pharmaceutical Intermediate: Employed in the controlled synthesis of active pharmaceutical ingredients (APIs) requiring sulfonic acid functionality.
• Electroplating Additives: Used in formulating brighteners and leveling agents for metal surface treatment baths.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	[Terphenyl]Disulphonic Acid
CAS No.	83997-39-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Terphenyl Disulfonic Acid; 1,1':4',1''-Terphenyl-2,2''-disulfonic Acid; m-Terphenyl-4,4''-disulfonic Acid; Diphenylbenzenedisulfonic Acid; TPDSA; [1,1':4',1''-Terphenyl]-2,2''-disulfonic acid
EINECS	Contact for details

Quality Control

Our [Terphenyl]Disulphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Report and comply with agreed limits
Residue on Ignition	≤ 0.5%

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