Description

4-[8-(4-Sulfophenoxy)Octoxy]Benzenesulfonic Acid is a specialized, high-purity organic sulfonic acid derivative designed for advanced chemical synthesis and industrial applications. This compound is valued for its dual sulfonic acid functionality and extended hydrophobic linker, making it a critical intermediate and functional additive. It is primarily utilized by manufacturers in the polymer, surfactant, and specialty chemical industries seeking to enhance product performance and stability.

Application

• Polymer Modification: Acts as a functional monomer or additive to impart hydrophilicity, ionic character, and improved dyeability to polymers and resins.
• Surfactant Synthesis: Serves as a key intermediate for producing high-performance anionic surfactants and emulsifiers with enhanced wetting and dispersing properties.
• Electroplating & Metal Treatment: Used in specialized plating baths and metal surface treatment formulations to improve conductivity and finish quality.
• Textile & Dyeing Auxiliaries: Functions as a leveling agent, dispersant, or antistatic agent in textile processing and dye formulations.
• Ion-Exchange Resins: Employed in the synthesis and functionalization of ion-exchange materials for water treatment and purification.
• Pharmaceutical Intermediates: Utilized in the synthesis of certain active pharmaceutical ingredients (APIs) and diagnostic agents requiring sulfonic acid groups.
• Catalysis & Chemical Synthesis: Acts as an acid catalyst or a building block in organic synthesis for creating complex molecules.
• Research & Development: Serves as a standard or reagent in academic and industrial R&D for studying sulfonated compounds and their properties.

Basic Information

Product Name	4-[8-(4-Sulfophenoxy)Octoxy]Benzenesulfonic Acid
CAS No.	61575-11-9
Molecular Formula	C20H26O8S2
Molecular Weight	458.54 g/mol
Synonyms	1,4-Bis(8-sulfooctyloxy)benzene (disulfonate form); Benzenesulfonic acid, 4-[8-(4-sulfophenoxy)octoxy]-; 4,4'-(Octane-1,8-diylbis(oxy))dibenzenesulfonic acid; Bis(4-sulfophenoxy)octane; ODPBS; 4-(8-(4-Sulfophenoxy)octyloxy)benzenesulfonic acid; 1,8-Bis(4-sulfophenoxy)octane; p,p'-(Octamethylenedioxy)di(benzenesulfonic acid)
EINECS	Contact for details

Quality Control

Our production of 4-[8-(4-Sulfophenoxy)Octoxy]Benzenesulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. The material is characterized using advanced analytical techniques including HPLC, NMR, and titration to verify identity, purity, and functional group content. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% Solution)	Contact for details
Solubility	Soluble in water, alcohols; slightly soluble in organic solvents

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