Description

1,4-Benzenedisulfonic Acid, 2,5-Dichloro-3,6-Dihydroxy- is a specialized disulfonic acid derivative that serves as a critical intermediate in advanced organic synthesis. Its unique structure, featuring both sulfonic acid groups and halogenated hydroxy substituents, makes it a valuable precursor for creating complex molecules with specific functional properties. This compound is primarily sought by manufacturers in the chemical and pharmaceutical industries for the development of dyes, pigments, and active pharmaceutical ingredients (APIs).

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of high-performance, chlorinated azo dyes and complex organic pigments.
• Pharmaceutical Synthesis: Used as a sophisticated intermediate in the multi-step production of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new synthetic pathways and creating novel sulfonated compounds.
• Functional Material Production: Acts as a monomer or modifier in the creation of specialized polymers and ion-exchange resins.
• Catalyst Ligand Synthesis: Utilized to prepare complex ligands for metal catalysts used in fine chemical manufacturing.

Basic Information

Product Name	1,4-Benzenedisulfonic Acid, 2,5-Dichloro-3,6-Dihydroxy-
CAS No.	77280-86-5
Molecular Formula	C6H4Cl2O8S2
Molecular Weight	323.13 g/mol
Synonyms	2,5-Dichloro-3,6-dihydroxy-1,4-benzenedisulfonic Acid; 1,4-Benzenedisulfonic acid, 2,5-dichloro-3,6-dihydroxy-; Chloranilic Acid Disulfonate; 2,5-Dichloro-3,6-dihydroxy-p-benzenedisulfonic Acid; 3,6-Dihydroxy-2,5-dichlorobenzene-1,4-disulfonic Acid
EINECS	Contact for details

Quality Control

Our production of 1,4-Benzenedisulfonic Acid, 2,5-Dichloro-3,6-Dihydroxy- adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and internal standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and quality assurance for your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its acidic nature, storage containers should be made of corrosion-resistant materials. Recommended long-term storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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