Description

Sodium 3-Phenylsulphonylbenzenesulphonate is a high-purity, water-soluble sodium salt of a sulfonated aromatic compound. It serves as a versatile intermediate and functional additive, valued for its ionic character and surfactant-like properties in specialized formulations. This product is essential for manufacturers in the chemical synthesis, specialty surfactant, and advanced material sectors seeking reliable performance and consistent quality.

Application

• Chemical Synthesis Intermediate: A key building block for the production of more complex sulfonated aromatic compounds, dyes, and specialty chemicals.
• Specialty Surfactant & Dispersant: Functions as an anionic surfactant or dispersing agent in high-performance formulations requiring thermal and chemical stability.
• Polymer & Material Science: Used as a functional monomer or additive to impart hydrophilicity, ionic conductivity, or anti-static properties to polymers and advanced materials.
• Electroplating & Surface Treatment: Acts as a brightening agent or additive in electroplating baths to improve surface finish and coating uniformity.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and agrochemicals where sulfonate groups are required for solubility or bioactivity.
• Research & Development: Serves as a standard or reagent in analytical chemistry and material science research.

Basic Information

Item	Details
Product Name	Sodium 3-Phenylsulfonylbenzenesulfonate
CAS No.	39616-92-7
Molecular Formula	C12H9NaO5S2
Molecular Weight	320.31 g/mol
Synonyms	Sodium 3-(Phenylsulfonyl)benzenesulfonate; 3-(Phenylsulfonyl)benzenesulfonic Acid Sodium Salt; Benzenesulfonic acid, 3-(phenylsulfonyl)-, sodium salt (1:1); Sodium 3-(Benzenesulfonyl)benzenesulfonate; 3-Phenylsulfonylbenzenesulfonic Acid Sodium Salt; SPBS; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Sodium 3-Phenylsulphonylbenzenesulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting these results are provided and available upon request to support your quality assurance and regulatory compliance needs.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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