Description

1-Naphthol-2-Sulfonic Acid Potassium Salt is a key organic intermediate and dye precursor. This compound is valued for its role in synthesizing azo dyes and pigments, providing essential chromophoric and solubilizing properties. It is primarily utilized by manufacturers in the dyestuff, textile, and specialty chemical industries for producing vibrant and stable colorants.

Application

• Primary intermediate in the synthesis of azo dyes and pigments for textiles and inks.
• Key starting material for manufacturing acid dyes used on wool, silk, and nylon.
• Used in the production of lake pigments for applications in plastics and coatings.
• Intermediate for biological stains and histochemical reagents.
• Potential use in the synthesis of photographic chemicals and light-sensitive materials.
• Research and development chemical for novel specialty polymers and functional materials.

Basic Information

Product Name	1-Naphthol-2-Sulfonic Acid Potassium Salt
CAS No.	832-49-5
Molecular Formula	C₁₀H₇KO₄S
Molecular Weight	262.32 g/mol
Synonyms	Potassium 1-Naphthol-2-sulfonate; 2-Naphthol-1-sulfonic Acid Potassium Salt; 1-Hydroxy-2-naphthalenesulfonic Acid Potassium Salt; 2-Hydroxy-1-naphthalenesulfonic Acid Potassium Salt; Schaeffer's Salt Potassium Salt; Schaeffer Acid Potassium Salt; Potassium Schaeffer's Salt
EINECS	212-623-6

Quality Control

Our 1-Naphthol-2-Sulfonic Acid Potassium Salt is produced under a rigorous quality management system. Each batch is analyzed to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed when not in use to prevent absorption of atmospheric moisture, which can affect product quality and handling. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Clear solution

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