Description

3,4-Dihydroxybenzenesulfonic Acid Monoammonium Salt is a water-soluble organic salt derived from catechol, combining phenolic and sulfonic acid functionalities. This compound is valued for its strong reducing and chelating properties, making it a versatile intermediate and additive in demanding industrial processes. It is primarily utilized in sectors such as photographic development, polymer stabilization, and as a key precursor in specialty chemical synthesis.

Application

• Photographic Developer: Acts as a primary developing agent or a key component in color developer formulations for films and papers.
• Polymer Industry: Serves as a polymerization inhibitor, stabilizer, or antioxidant monomer, particularly in the production of synthetic fibers and resins.
• Hair Dye & Cosmetic Intermediates: Used in the synthesis of oxidation dye precursors for permanent hair coloring products.
• Metal Chelation & Plating: Functions as a complexing agent in electroplating baths and for metal ion sequestration in water treatment.
• Chemical Synthesis: An important building block for synthesizing pharmaceuticals, agrochemicals, and other fine chemicals.
• Analytical Reagent: Employed in analytical chemistry as a reagent for the detection and quantification of specific metal ions.

Basic Information

Product Name	3,4-Dihydroxybenzenesulfonic Acid Monoammonium Salt
CAS No.	6099-56-5
Molecular Formula	C6H11NO6S
Molecular Weight	225.22 g/mol
Synonyms	Ammonium 3,4-dihydroxybenzenesulfonate; 4-Sulfocatechol Ammonium Salt; 1,2-Dihydroxy-4-sulfobenzene Ammonium Salt; Catechol-4-sulfonic Acid Ammonium Salt; Tiron Monoammonium Salt; 3,4-Dihydroxybenzenesulfonic Acid Ammonium Salt; Ammonium Tironate; 4,5-Dihydroxy-1,3-benzenedisulfonic Acid Monoammonium Salt (related isomer)
EINECS	Contact for details

Quality Control

Our 3,4-Dihydroxybenzenesulfonic Acid Monoammonium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and technical applications. A Certificate of Analysis (COA) detailing all quality parameters is provided with every shipment to guarantee supply reliability and batch-to-batch consistency.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	4.0 - 6.0

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