Description

4,5-Dihydroxy-1,3-Benzene Disulfonic Acid, Potassium Salt is a high-purity, water-soluble aromatic sulfonate salt valued for its chelating and stabilizing properties. This compound serves as a critical intermediate and functional additive in advanced chemical synthesis and industrial processes. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications requiring precise molecular control.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Metal Chelating Agent: Functions as a stabilizer and complexing agent in formulations and plating baths.
• Chemical Synthesis Building Block: Serves as a key precursor for dyes, pigments, and advanced organic compounds.
• Analytical Reagent: Employed in laboratory settings as a standard or reagent for specific chemical analyses.
• Agrochemical Formulations: Acts as a stabilizing or solubilizing component in certain pesticide and herbicide products.
• Photographic Chemicals: Used in the production of specialized developers and sensitizers.

Basic Information

Product Name	4,5-Dihydroxy-1,3-Benzene Disulfonic Acid, Potassium Salt
CAS No.	156245-29-3
Molecular Formula	C6H4K2O10S2
Molecular Weight	370.43 g/mol
Synonyms	Potassium 4,5-dihydroxybenzene-1,3-disulfonate; 1,3-Benzenedisulfonic acid, 4,5-dihydroxy-, dipotassium salt; 4,5-Dihydroxy-m-benzenedisulfonic acid dipotassium salt; Tiron (dipotassium salt); Pyrocatechol-3,5-disulfonic acid dipotassium salt; 3,5-Disulfopyrocatechol dipotassium salt
EINECS	Contact for details

Quality Control

Our 4,5-Dihydroxy-1,3-Benzene Disulfonic Acid, Potassium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided to guarantee compliance with your project requirements.

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 must be kept in a dry environment to prevent degradation and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	Contact for details
pH (5% solution)	Contact for details

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