Description

Benzenesulfonic Acid, Decyl(Sulfophenoxy)- CAS NO 70191-75-2 is a specialized anionic surfactant belonging to the alkylbenzene sulfonate family. This compound is valued for its excellent wetting, emulsifying, and dispersing properties in demanding formulations. It is primarily sought by manufacturers in the industrial cleaning, agrochemical, and textile processing sectors for its robust performance in acidic or high-electrolyte environments.

Application

• Industrial & Institutional (I&I) Cleaners: Key component in acidic cleaners, degreasers, and metal treatment formulations for its stability and detergency.
• Agrochemical Adjuvants: Used as a wetting and dispersing agent in pesticide and herbicide formulations to enhance coverage and efficacy.
• Textile Processing: Employed as a levelling agent, dye dispersant, and scouring aid in dyeing and finishing operations.
• Emulsion Polymerization: Serves as an effective surfactant in the production of polymers like styrene-butadiene and acrylics.
• Oilfield Chemicals: Utilized in drilling muds and completion fluids for its emulsifying and anti-sludging properties.
• Leather Processing: Acts as a wetting and penetrating agent in tanning and dyeing processes.

Basic Information

Product Name	Benzenesulfonic Acid, Decyl(Sulfophenoxy)- CAS NO 70191-75-2
CAS No.	70191-75-2
Molecular Formula	C22H38O6S2
Molecular Weight	462.65 g/mol
Synonyms	Decyl(sulfophenoxy)benzenesulfonic acid; 4-(Decyloxy)benzenesulfonic acid, 1-sulfo derivative; Benzenesulfonic acid, 4-(decyloxy)-, 1-sulfo-; Alkyl (C10) diphenyl oxide disulfonate; Dodecyldiphenyl ether disulfonate (related); Surfactant D-40 (possible trade name); Anionic surfactant 70191-75-2; Dodecyl diphenyl oxide disulfonic acid
EINECS	Contact for details

Quality Control

Our Benzenesulfonic Acid, Decyl(Sulfophenoxy)- is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency and meets agreed-upon specifications for critical parameters like assay, active matter, and impurity profiles. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee traceability and compliance.

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 product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture, which may affect product performance.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Active Matter)	≥ 95.0 %
Water Content	≤ 2.0 %
pH (1% Solution)	2.0 - 4.0
Sulfate (as SO4)	≤ 1.0 %

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