Description

Dinonylnaphthalenedisulfonic Acid is a high-purity, synthetic organic acid belonging to the class of naphthalene sulfonic acid derivatives. This compound is a critical intermediate and functional additive valued for its strong acidity and surfactant properties in organic media. It is essential for manufacturers in the chemical synthesis, polymer, and specialty materials sectors who require a reliable, high-performance acid catalyst or anionic component. The product is supplied under stringent quality control to ensure batch-to-batch consistency for demanding industrial applications.

Application

• Catalyst and Co-catalyst: Used as a strong acid catalyst in organic synthesis reactions, including esterification, alkylation, and polymerization processes.
• Polymer Industry: Serves as a key component in the production of ion-exchange resins, polyelectrolytes, and as a dopant for conductive polymers.
• Surfactant and Emulsifier Synthesis: Acts as a precursor or intermediate in the manufacture of specialized anionic surfactants and emulsifying agents.
• Metal Extraction and Hydrometallurgy: Employed as a selective extractant or ionophore in solvent extraction processes for separating and purifying rare earth and transition metals.
• Fuel and Lubricant Additives: Functions as a detergent and dispersant additive in lubricating oils and industrial fuels to control deposits.
• Corrosion Inhibitor Formulation: Used in the development of high-performance corrosion inhibitor packages for industrial cooling and process water systems.
• Dye and Pigment Intermediate: Utilized in the synthesis of certain acid dyes and organic pigments.
• Analytical Chemistry: Applied as a reagent or standard in analytical methods and electrochemical studies.

Basic Information

Product Name	Dinonylnaphthalenedisulfonic Acid
CAS No.	60223-95-2
Molecular Formula	C28H44O6S2
Molecular Weight	540.8 g/mol
Synonyms	Dinonylnaphthalene Disulfonic Acid; Dinonyl Naphthalene Disulfonic Acid; DNDSA; Dinonylnaphthalenedisulphonic Acid; Bis(nonyl)naphthalenedisulfonic Acid; 4,5-Dinonylnaphthalene-2,7-disulfonic Acid; Dinonyl Naphthalene Sulfonic Acid; DNNDSA
EINECS	262-150-7

Quality Control

Our Dinonylnaphthalenedisulfonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. A Certificate of Analysis (COA) detailing the results for all critical parameters is provided with each shipment. We are committed to supplying material that meets the high standards required for industrial and research applications.

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) and a strong acid; ensure the container is kept tightly sealed to exclude moisture and stored separately from bases and reactive materials.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color	Light yellow to amber
Identification (IR)	Conforms to structure
Assay (Acid Number)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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