Description

Disodium Naphthalenedisulphonate is a high-purity, water-soluble aromatic sulfonate salt widely used as a key intermediate and functional additive in industrial processes. Its primary value lies in its excellent dispersing, solubilizing, and leveling properties, which are critical for enhancing product performance and manufacturing efficiency. This compound is essential for manufacturers in the textile, construction, agrochemical, and specialty chemical sectors seeking reliable and consistent raw materials for their formulations.

Application

• Textile Industry: Acts as a highly effective dispersing and leveling agent in dyeing processes, ensuring uniform color uptake and reducing dye aggregation.
• Construction Chemicals: Serves as a primary raw material in the synthesis of high-range water-reducing superplasticizers for concrete, improving workability and strength.
• Agrochemical Formulations: Used as a dispersant and stabilizer in the production of wettable powders, suspension concentrates, and other pesticide formulations.
• Dye and Pigment Manufacturing: Functions as an intermediate in the synthesis of acid dyes and organic pigments, aiding in purification and standardization.
• Oilfield Chemicals: Employed as a component in drilling mud additives and fluid loss control agents due to its surfactant properties.
• Paper Processing: Utilized as a dispersant for pigments and fillers to improve sheet formation and quality.
• Industrial Cleaning: Incorporated into detergent formulations for its ability to solubilize and suspend soils and stains.

Basic Information

Item	Detail
Product Name	Disodium Naphthalenedisulphonate
CAS No.	84713-09-7
Molecular Formula	C10H6Na2O6S2
Molecular Weight	332.24 g/mol
Synonyms	Disodium Naphthalene-1,5-disulfonate; 1,5-Naphthalenedisulfonic Acid Disodium Salt; Dinatriumnaphthalin-1,5-disulfonat; Disodium 1,5-Naphthalenedisulfonate; Naphthalene-1,5-disulfonic Acid Sodium Salt; Sodium Naphthalene-1,5-disulfonate; NDSA Disodium Salt; Morlex D-5
EINECS	Contact for details

Quality Control

Our Disodium Naphthalenedisulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, moisture content, and sulfonate content are available upon request to support your quality assurance protocols.

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); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Sulfonate Content (Titration)	≥ 56.0%
pH (5% Solution)	7.0 - 9.0
Heavy Metals (as Pb)	≤ 20 ppm

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