Description

Calcium Di(Naphthalene-2-Sulphonate) is an organosulfonate salt widely utilized as a high-performance dispersant and surfactant. Its primary value lies in its ability to effectively reduce surface tension and stabilize particulate suspensions in complex formulations. This compound is essential for manufacturers in the construction, textile, and agrochemical industries seeking to enhance product performance and process efficiency.

Application

• Primary dispersant and grinding aid in the production of construction materials like concrete admixtures and cement grinding aids.
• Key surfactant component in agrochemical formulations, including pesticides and herbicides, to improve wetting and dispersion.
• Dye dispersant and leveling agent in textile processing and dye manufacturing.
• Additive in oilfield chemicals for drilling mud formulations and scale inhibition.
• Pigment and filler dispersant for paints, coatings, and inks.
• Processing aid in ceramic and clay production to control rheology.
• Potential intermediate in the synthesis of specialty chemicals and pharmaceuticals.

Basic Information

Product Name	Calcium Di(Naphthalene-2-Sulphonate)
CAS No.	42781-68-0
Molecular Formula	C₂₀H₁₄CaO₆S₂
Molecular Weight	462.50 g/mol
Synonyms	Calcium dinaphthalenesulfonate; Calcium naphthalene-2-sulfonate; Calcium 2-naphthalenesulfonate; Dinaphthalenesulfonic acid calcium salt; Naphthalenesulfonic acid, calcium salt (2:1); Calcium naphthalenesulphonate; Dispersant S; NF (Naphthalene Formaldehyde) condensate dispersant (related compound).
EINECS	Contact for details

Quality Control

Our Calcium Di(Naphthalene-2-Sulphonate) is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent purity and performance characteristics aligned with industrial-grade specifications. A Certificate of Analysis (COA) documenting key parameters such as assay, moisture content, and solubility is 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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
pH (10% solution)	7.0 - 9.0
Water Solubility	Freely soluble

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