Description

Naphthalenesulfonic Acid, Diisononyl- CAS NO 63512-65-2 is a high-purity, branched alkyl naphthalenesulfonate surfactant. This compound is valued for its exceptional surface-active properties, acting as a powerful dispersant, emulsifier, and wetting agent in demanding industrial formulations. It is a critical component for manufacturers in the agrochemical, construction, and coatings industries seeking to improve product stability and performance.

Application

• Agrochemical Formulations: Primary use as a high-efficiency dispersant and wetting agent in pesticide and herbicide concentrates (SCs, WGs, ECs).
• Construction Chemicals: Key additive in concrete admixtures and cement grinding aids to improve flow and reduce water content.
• Industrial Coatings & Inks: Effective pigment grinding aid and dispersant for stable, high-solid pigment preparations.
• Oilfield Chemicals: Utilized in drilling mud formulations and as an emulsifier in crude oil demulsifiers.
• Textile & Leather Processing: Acts as a leveling agent, dispersant for dyes, and wetting agent in various treatment baths.
• Industrial Cleaners: Component in heavy-duty detergent formulations for its emulsifying and wetting power on oils and greases.

Basic Information

Product Name	Naphthalenesulfonic Acid, Diisononyl-
CAS No.	63512-65-2
Molecular Formula	C28H44O3S
Molecular Weight	460.71 g/mol
Synonyms	Diisononyl naphthalenesulfonate; Dinonylnaphthalenesulfonic acid; Dinonyl naphthalene sulfonic acid; DNNSA; Bis(isononyl)naphthalenesulfonic acid; Naphthalenesulfonic acid, dinonyl-; Dispersant DN; 2-Naphthalenesulfonic acid, dinonyl-
EINECS	Contact for details

Quality Control

Our Naphthalenesulfonic Acid, Diisononyl- is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, performance, and compliance with relevant industrial specifications. A detailed Certificate of Analysis (COA) documenting assay, acidity, and physical properties is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Viscous liquid, amber to brown
Identification (IR)	Conforms
Assay (Acid Value)	115 - 130 mg KOH/g
Moisture (KF)	≤ 1.0 %
Viscosity (at 25°C)	Contact for details
Specific Gravity (at 20°C)	Contact for details

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