Description

Disodium 4-Dodecyl-2,4'-Oxydibenzenesulfonate is a high-purity anionic surfactant and specialty chemical intermediate. Its unique molecular structure provides excellent wetting, emulsifying, and dispersing properties, making it a critical component in advanced formulations. This product is essential for manufacturers in the agrochemical, industrial cleaning, and specialty chemical synthesis sectors seeking reliable performance and consistent quality.

Application

• Agrochemical Formulations: Acts as a key wetting agent, dispersant, and emulsifier in pesticide and herbicide concentrates and wettable powders.
• Industrial & Institutional (I&I) Cleaners: Used in heavy-duty degreasers, metal cleaners, and alkaline cleaning formulations for its superior surface activity.
• Textile Processing: Serves as a scouring agent, leveling agent, and dye dispersant in textile manufacturing and finishing.
• Paints & Coatings: Functions as a pigment grinding aid and dispersant to improve color development and stability in aqueous systems.
• Chemical Synthesis: Employed as an intermediate or phase-transfer catalyst in the production of other specialty surfactants and organic compounds.
• Oilfield Chemicals: Utilized in formulations for drilling muds and enhanced oil recovery processes due to its interfacial tension reduction properties.

Basic Information

Product Name	Disodium 4-Dodecyl-2,4'-Oxydibenzenesulfonate
CAS No.	7575-62-4
Molecular Formula	C24H32Na2O7S2
Molecular Weight	534.61 g/mol
Synonyms	Disodium 4-dodecyl-2,4'-oxydibenzenesulfonate; Disodium dodecyl diphenyl ether disulfonate; Dodecyl diphenyl ether disulfonic acid, disodium salt; 4-Dodecyl-2,4'-oxydibenzenesulfonic acid, disodium salt; DOWFAX 2A1 (Trade Name); DOWFAX 8390 (Trade Name); Anionic surfactant 2A1; Dodecyldiphenyl ether disulfonate
EINECS	231-493-5

Quality Control

Our Disodium 4-Dodecyl-2,4'-Oxydibenzenesulfonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, composition, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each 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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Sulfate Ash	28.0 - 32.0%
pH (1% Solution)	7.0 - 9.0

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