Description

Naphtalene-1,3,6-Trisulfonic Acid is a key aromatic sulfonic acid derivative, valued for its role as a versatile intermediate and building block in advanced chemical synthesis. Its multi-sulfonated structure provides excellent water solubility and reactivity, making it essential for creating high-value functional compounds. This product is primarily needed by manufacturers in the dye, pharmaceutical, and specialty chemical industries for producing intermediates, surfactants, and research chemicals.

Application

• Dye and Pigment Intermediate: A crucial precursor for synthesizing acid dyes, reactive dyes, and optical brighteners.
• Pharmaceutical Synthesis: Used as a building block for creating sulfonated drug molecules and active pharmaceutical ingredients (APIs).
• Surfactant and Detergent Manufacture: Serves as a raw material for producing anionic surfactants with high solubility and stability.
• Chemical Research & Development: Employed as a model compound or reagent in organic synthesis and catalysis studies.
• Water Treatment Chemicals: Can be used in the formulation of scale inhibitors and dispersants.
• Electroplating Additives: Functions as a brightening agent or complexing agent in electroplating baths.

Basic Information

Product Name	Naphtalene-1,3,6-Trisulfonic Acid
CAS No.	86-66-8
Molecular Formula	C10H8O9S3
Molecular Weight	368.36 g/mol
Synonyms	1,3,6-Naphthalenetrisulfonic Acid; Naphthalene-1,3,6-trisulfonic acid; 1-Naphthol-3,6,8-trisulfonic acid; NSC 8425; Trisodium 1,3,6-naphthalenetrisulfonate; Naphthalene trisulfonic acid; 1,3,6-NS; NTSA
EINECS	201-695-5

Quality Control

Our Naphtalene-1,3,6-Trisulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets defined specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

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 (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Sulfate Ash	≤ 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.