Description

4,6-Dihydroxybenzene-1,3-Disulfonic Acid is a versatile aromatic sulfonic acid derivative characterized by its two hydroxyl and two sulfonic acid functional groups. This unique structure makes it a valuable intermediate for synthesizing dyes, pigments, and specialty chemicals. It is primarily sought after by manufacturers in the fine chemical, pharmaceutical, and agrochemical industries for its role in creating complex molecular architectures.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of acid dyes, reactive dyes, and organic pigments.
• Pharmaceutical Synthesis: Used as an intermediate in the production of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Manufacturing: Serves as a precursor in the synthesis of herbicides, fungicides, and other crop protection chemicals.
• Chemical Research & Development: Employed as a reagent in organic synthesis and material science research.
• Complexing Agent: Can function as a ligand or chelating agent in metal ion sequestration processes.
• Polymer Modification: Used to introduce sulfonic acid groups into polymers to alter solubility or ionic properties.

Basic Information

Product Name	4,6-Dihydroxybenzene-1,3-Disulfonic Acid
CAS No.	17724-11-7
Molecular Formula	C6H6O8S2
Molecular Weight	270.24 g/mol
Synonyms	1,3-Benzenedisulfonic acid, 4,6-dihydroxy-; 4,6-Dihydroxy-m-benzenedisulfonic Acid; 2,4-Dihydroxybenzene-1,3-disulfonic Acid; Resorcinol-4,6-disulfonic Acid; 4,6-Dihydroxyresorcinoldisulfonic Acid; RDS Acid; 4,6-DHBDSA
EINECS	241-734-8

Quality Control

Our production of 4,6-Dihydroxybenzene-1,3-Disulfonic Acid adheres to stringent quality management protocols. Each batch is analyzed to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistent quality and traceability for your critical applications.

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). Keep away from strong oxidizing agents, strong bases, and incompatible materials. The product is hygroscopic; ensure containers are kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Sulfated Ash	≤ 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.