Description

Trisodium 7-Hydroxynaphthalene-1,3,6-Trisulphonate is a high-purity, water-soluble aromatic sulfonate salt. This compound serves as a critical intermediate and functional additive in advanced chemical synthesis and industrial processes. It is essential for manufacturers in the dye, pharmaceutical, and specialty chemical sectors requiring precise molecular building blocks.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of acid dyes, reactive dyes, and food colorants, contributing to chromophore development and solubility.
• Pharmaceutical Synthesis: Used as a building block for active pharmaceutical ingredients (APIs) and diagnostic agents due to its functionalized naphthalene core.
• Chemical Research & Development: Employed in laboratories for developing new sulfonated compounds, catalysts, and functional materials.
• Analytical Reagent: Acts as a standard or reagent in analytical chemistry methods and calibration procedures.
• Specialty Surfactants: Can be utilized to create anionic surfactants with specific dispersing and wetting properties.
• Photographic Chemicals: Finds application in the formulation of certain photographic chemicals and sensitizers.

Basic Information

Product Name	Trisodium 7-Hydroxynaphthalene-1,3,6-Trisulphonate
CAS No.	53683-45-7
Molecular Formula	C₁₀H₅Na₃O₁₀S₃
Molecular Weight	458.29 g/mol
Synonyms	7-Hydroxynaphthalene-1,3,6-trisulfonic acid trisodium salt; Trisodium 7-hydroxynaphthalene-1,3,6-trisulfonate; 1,3,6-Naphthalenetrisulfonic acid, 7-hydroxy-, trisodium salt; Acid Brown 14 intermediate; H acid trisodium salt (related derivative); Naphthol trisulfonate sodium salt; 7-Hydroxy-1,3,6-naphthalenetrisulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Trisodium 7-Hydroxynaphthalene-1,3,6-Trisulphonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency for your critical applications.

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 to prevent moisture absorption, which can affect product quality and handling.

Specification

Item	Specification
Appearance	Off-white to light beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (1% 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.