Description

1,2,6-Naphthalenetrisulfonic Acid is a versatile and highly functionalized aromatic sulfonic acid derivative, valued for its role as a key intermediate in the synthesis of dyes, optical brighteners, and specialty chemicals. Its multiple sulfonic acid groups impart excellent water solubility and reactivity, making it a critical building block for advanced materials. This compound is essential for manufacturers and R&D laboratories in the dye, pigment, polymer, and fine chemical industries seeking to develop high-performance products.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of acid dyes, reactive dyes, and fluorescent whitening agents (optical brighteners) for textiles and paper.
• Chemical Synthesis: Serves as a versatile building block for creating more complex sulfonated compounds used in specialty chemicals and pharmaceuticals.
• Polymer Industry: Used in the production of polyelectrolytes, ion-exchange resins, and water-soluble polymers due to its anionic character.
• Research & Development: Employed in academic and industrial R&D for studying sulfonation reactions and developing new functional materials.
• Catalyst and Additive: Can function as a catalyst or a dispersing agent in various chemical processes and formulations.
• Analytical Reagent: May be used as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Product Name	1,2,6-Naphthalenetrisulfonic Acid
CAS No.	27870-20-8
Molecular Formula	C₁₀H₈O₉S₃
Molecular Weight	400.36 g/mol
Synonyms	Naphthalene-1,2,6-trisulfonic Acid; 1,2,6-NTSA; 1-Naphthol-2,6-disulfonic Acid (related); 1,2,6-Trisulfonaphthalene; Naphthalenetrisulfonic Acid; Trisodium 1,2,6-Naphthalenetrisulfonate (salt form); 1,2,6-NAPTS; Acid Naphthalene Trisulfonic Acid
EINECS	Contact for details

Quality Control

Our 1,2,6-Naphthalenetrisulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the specifications required for industrial and fine chemical synthesis. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles 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) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light to maintain stability and purity.

Specification

Item	Specification
Appearance	Off-white to light tan powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 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.