Description

Sodium Hydroxybenzenesulfonate is a versatile organic sodium salt widely used as a key intermediate and functional additive in industrial synthesis. Its primary value lies in its dual functionality, combining a phenolic hydroxyl group with a sulfonate group, making it valuable for chemical modification and as a dispersing or solubilizing agent. This compound is essential for manufacturers in the dye, pharmaceutical, and specialty chemical industries seeking reliable, high-purity raw materials for their production processes.

Application

• Dye and Pigment Intermediate: Serves as a crucial building block in the synthesis of azo dyes, acid dyes, and other colorants.
• Pharmaceutical Synthesis: Used as an intermediate in the production of certain APIs (Active Pharmaceutical Ingredients) and fine chemicals.
• Chemical Manufacturing: Acts as a reactant or functionalizing agent in organic synthesis for specialty chemicals.
• Dispersing Agent: Functions as a dispersant or solubilizer in formulations requiring improved stability of solid particles in liquid media.
• Research & Development: Employed in laboratory settings for chemical research and process development.
• Electroplating Additive: Can be used in certain electroplating bath formulations to modify surface properties.

Basic Information

Product Name	Sodium Hydroxybenzenesulfonate
CAS No.	1300-51-2
Molecular Formula	C6H5NaO4S
Molecular Weight	196.16 g/mol
Synonyms	Sodium Phenolsulfonate; Phenolsulfonic Acid Sodium Salt; Sodium Sulfocarbolate; 4-Hydroxybenzenesulfonic Acid Sodium Salt; Atophan; Soluble Phenol Sulfonate; Phenol-4-sulfonic Acid Sodium Salt; Hydroxybenzenesulfonic Acid Sodium Salt
EINECS	215-087-1

Quality Control

Our Sodium Hydroxybenzenesulfonate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and composition. We provide Certificates of Analysis (COA) with every shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures batch-to-batch consistency and reliability 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 and incompatible materials. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition (Sulfated Ash)	≤ 0.1%
pH (5% Solution)	6.0 - 8.0
Clarity of Solution	Clear

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