Description

Disodium 1,1'-Methylenedi(Naphthalene-2-Sulphonate) is a specialized organic salt widely used as a high-performance dispersant and leveling agent in various industrial processes. Its molecular structure provides excellent chelating and surface-active properties, making it a critical component for enhancing product stability and process efficiency. This chemical is essential for manufacturers in the textile, construction, and specialty chemical industries seeking to improve the quality and consistency of their formulations.

Application

• Textile Dyeing & Printing: Acts as a highly effective dispersing and leveling agent for dyes, ensuring uniform color uptake and reducing dye agglomeration.
• Concrete & Construction Admixtures: Functions as a superplasticizer and water-reducing agent to improve the workability and strength of cementitious mixtures.
• Pigment & Filler Dispersion: Used in the production of paints, coatings, and inks to stabilize pigment suspensions and prevent settling.
• Oilfield & Drilling Fluids: Serves as a fluid loss control additive and dispersant in water-based mud systems.
• Paper & Pulp Industry: Employed as a dispersant for fillers like calcium carbonate and clay to improve paper sheet formation and quality.
• Ceramic & Refractory Production: Aids in the uniform dispersion of ceramic powders and inorganic particles in slurries.
• Industrial Cleaning Formulations: Enhances the cleaning power of detergents by preventing redeposition of soil and scale.
• Chemical Synthesis Intermediate: Used in the production of more complex sulfonated compounds and specialty surfactants.

Basic Information

Product Name	Disodium 1,1'-Methylenedi(Naphthalene-2-Sulphonate)
CAS No.	2379-92-2
Molecular Formula	C21H14Na2O6S2
Molecular Weight	472.43 g/mol
Synonyms	Disodium Methylenedinaphthalenesulfonate; Disodium Methylenebis(2-naphthalenesulfonate); 2-Naphthalenesulfonic acid, 1,1'-methylenebis-, disodium salt; Disodium 1,1'-Methylenebis(2-naphthalenesulfonate); Disodium Methylenebis(naphthalene-2-sulfonate); MNS Disodium Salt; Disodium MBNS; Disodium Dinaphthylmethane Disulfonate
EINECS	219-165-9

Quality Control

Our Disodium 1,1'-Methylenedi(Naphthalene-2-Sulphonate) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and impurity profiling, to meet the stringent requirements of industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, moisture content, and specific performance tests is provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (1% Solution)	7.0 - 9.0
Sulfate (as SO4)	≤ 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.