Description

Ammonium Potassium 7-Aminonaphthalene-1,3-Disulphonate is a high-purity, water-soluble aromatic intermediate with significant commercial utility. This compound is valued for its dual sulfonate functionality, which provides excellent solubility and reactivity for further chemical synthesis. It is primarily sought after by manufacturers in the dye and pigment, pharmaceutical, and specialty chemical industries for producing vibrant colorants and advanced organic molecules.

Application

• Dye and Pigment Intermediate: A key precursor for the synthesis of acid dyes, reactive dyes, and azo pigments, particularly for textiles and leather.
• Pharmaceutical Synthesis: Used as a building block for creating sulfonated active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research & Development: Serves as a versatile intermediate in organic synthesis for novel compound libraries and material science applications.
• Analytical Reagent: Can be utilized as a standard or reagent in chromatographic analysis and other laboratory procedures.
• Specialty Surfactants: Potential use in the development of anionic surfactants and dispersants due to its sulfonate groups.
• Photographic Chemicals: May find application in the formulation of certain photographic chemicals and sensitizers.

Basic Information

Product Name	Ammonium Potassium 7-Aminonaphthalene-1,3-Disulphonate
CAS No.	68213-88-7
Molecular Formula	C10H11KN2O6S2 • xNH3
Molecular Weight	Contact for details
Synonyms	7-Amino-1,3-naphthalenedisulfonic acid, ammonium potassium salt; 1,3-Naphthalenedisulfonic acid, 7-amino-, ammonium potassium salt; Potassium ammonium 7-aminonaphthalene-1,3-disulfonate; 7-Aminonaphthalene-1,3-disulfonic acid ammonium potassium salt; AK Salt of 7-Amino-1,3-NSD; 7-Amino-1,3-NDS ammonium potassium salt
EINECS	Contact for details

Quality Control

Our Ammonium Potassium 7-Aminonaphthalene-1,3-Disulphonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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 properties.

Specification

Item	Specification
Appearance	Off-white to light beige powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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