Description

1,3,6-Naphthalenetrisulfonic Acid, Sodium Salt, Hydrate, Mixture Of Isomers is a high-purity, water-soluble organic salt primarily valued for its role as a versatile intermediate and functional additive. Its multi-sulfonated aromatic structure provides excellent solubility and chelating properties, making it a critical component in advanced chemical synthesis and industrial processes. This product is essential for manufacturers in the dye, textile, and specialty chemical industries seeking reliable performance and consistent quality.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of acid dyes, reactive dyes, and fluorescent whitening agents.
• Textile Auxiliary: Used as a leveling agent, dispersant, and dye-fixing agent in textile processing to ensure uniform color application.
• Chelating Agent: Functions as a water treatment chemical to sequester metal ions like calcium and magnesium, preventing scale formation.
• Concrete Admixture: Acts as a superplasticizer and water-reducing agent to improve the workability and strength of concrete mixes.
• Electroplating Additive: Serves as a brightener and complexing agent in electroplating baths to enhance deposit quality and uniformity.
• Paper Industry Chemical: Utilized as a dispersant for pigments and fillers to improve paper quality and production efficiency.
• Research & Development: Employed in academic and industrial R&D for developing new sulfonated polymers and specialty chemicals.

Basic Information

Product Name	1,3,6-Naphthalenetrisulfonic Acid, Sodium Salt, Hydrate, Mixture Of Isomers
CAS No.	19437-42-4
Molecular Formula	C₁₀H₅Na₃O₁₂S₃·xH₂O
Molecular Weight	~504.3 g/mol (Anhydrous basis)
Synonyms	1,3,6-Naphthalenetrisulfonic acid trisodium salt; Trisodium 1,3,6-naphthalenetrisulfonate; Naphthalene-1,3,6-trisulfonic acid trisodium salt; NTS; NT Acid trisodium salt; Naphthalenetrisulfonate sodium; Acid NTS; Naphthalene trisulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our 1,3,6-Naphthalenetrisulfonic Acid, Sodium Salt is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical parameters is provided with each shipment to guarantee traceability and compliance with your quality requirements.

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	Off-white to light beige powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 8.0%
Sulfate (as SO₄)	≤ 1.0%
Chloride (as Cl)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
pH (5% solution)	6.0 - 8.5

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