Description

Naphthalene-1,3,5-Trisulfonic Acid, Sodium Salt(1:1) is a high-purity, water-soluble aromatic sulfonate salt valued for its strong anionic character and chelating properties. This compound serves as a critical intermediate and functional additive in advanced chemical synthesis and industrial processes. It is essential for manufacturers and R&D facilities in sectors such as specialty chemicals, dye production, and polymer modification.

Application

• Dye and Pigment Intermediate: A key building block for synthesizing acid dyes, reactive dyes, and fluorescent brightening agents.
• Polymer and Resin Modification: Used as a sulfonating agent or comonomer to introduce sulfonate groups, enhancing water solubility and dyeability of polymers.
• Chelating Agent: Functions as a complexing agent for metal ions in water treatment formulations and analytical chemistry.
• Concrete Admixture: Acts as a raw material in the production of high-range water-reducing superplasticizers for advanced concrete formulations.
• Electroplating Additive: Employed in bath formulations to improve brightness, smoothness, and throwing power of metal deposits.
• Pharmaceutical Intermediate: Serves as a sulfonation precursor in the synthesis of certain active pharmaceutical ingredients (APIs).
• Research & Development: Utilized in academic and industrial labs for developing new materials, catalysts, and chemical processes.

Basic Information

Product Name	Naphthalene-1,3,5-Trisulfonic Acid, Sodium Salt(1:1)
CAS No.	104768-26-5
Molecular Formula	C10H7Na3O9S3
Molecular Weight	476.30 g/mol
Synonyms	1,3,5-Naphthalenetrisulfonic Acid Trisodium Salt; Trisodium Naphthalene-1,3,5-Trisulfonate; Naphthalene-1,3,5-Trisulfonic Acid Trisodium Salt; 1,3,5-NTS Trisodium Salt; NTS Na Salt; Naphthalenetrisulfonate Sodium Salt
EINECS	Contact for details

Quality Control

Our Naphthalene-1,3,5-Trisulfonic Acid, Sodium Salt(1:1) is manufactured under a strict quality management system. Each batch is subjected to rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and research applications. Certificates of Analysis (COA) documenting batch-specific results 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); ensure the container is kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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