Description

Hydroquinone Ammonium Sulfonate is a specialized organic salt derived from hydroquinone and sulfonic acid, primarily valued for its role as a key intermediate and reducing agent. Its significance lies in its ability to impart specific functional properties in advanced chemical synthesis and industrial processes. This compound is essential for manufacturers and R&D teams in the photographic chemicals, polymer stabilization, and specialty fine chemicals sectors.

Application

• Photographic Developer Intermediate: A crucial component in the synthesis of black-and-white photographic developing agents.
• Polymer Additive: Acts as a stabilizer or reducing agent in specific polymerization processes and resin formulations.
• Chemical Synthesis: Serves as a versatile building block and sulfonating agent in the production of dyes, pigments, and other fine chemicals.
• Analytical Reagent: Used in specific laboratory procedures and analytical chemistry applications as a specialized reagent.
• Electroplating Solutions: Employed in certain electroplating baths as an additive to control deposition and solution stability.

Basic Information

Product Name	Hydroquinone Ammonium Sulfonate
CAS No.	20676-50-0
Molecular Formula	C6H9NO4S
Molecular Weight	191.20 g/mol
Synonyms	1,4-Benzenediol, monoammonium sulfonate; Hydroquinone sulfonic acid ammonium salt; Ammonium hydroquinone sulfonate; p-Hydroquinone sulfonic acid ammonium salt; 2,5-Dihydroxybenzenesulfonic acid ammonium salt; AQSA; Hydroquinone-2-sulfonate ammonium salt
EINECS	243-937-9

Quality Control

Our Hydroquinone Ammonium Sulfonate is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, purity profiling, and impurity identification, to meet exacting customer requirements. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 to structure
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.