Description

Naphthol As Sulphate Potassium Salt is a specialized organic salt derivative of Naphthol AS, a key azoic coupling component. This compound is valued for its role as a stable, water-soluble intermediate in the synthesis of high-performance pigments and dyes. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vivid and durable colorants. Our supply ensures consistent quality and purity for critical synthesis processes.

Application

• Azo Pigment Synthesis: Acts as a crucial coupling component for manufacturing high-performance organic pigments used in plastics, paints, and inks.
• Textile Dye Production: Serves as a key intermediate in the production of dyes for coloring natural and synthetic fibers.
• Specialty Chemical Manufacturing: Used in the synthesis of other functional chemicals, including optical brighteners and photographic chemicals.
• Research & Development: Employed in academic and industrial R&D labs for developing new colorant molecules and studying azo coupling reactions.

Basic Information

Product Name	Naphthol As Sulphate Potassium Salt
CAS No.	1733-83-1
Molecular Formula	C17H12KNO4S
Molecular Weight	365.45 g/mol
Synonyms	3-Hydroxy-2-naphthanilide potassium sulfate; Naphthol AS potassium sulfate; 2-Hydroxy-3-naphthoic acid anilide potassium sulfate; Azoic Coupling Component 2; Naphthol AS sulphate, potassium salt; C.I. Azoic Coupling Component 2, potassium salt; Potassium 3-hydroxy-N-phenyl-2-naphthamide sulfate
EINECS	217-062-2

Quality Control

Our Naphthol As Sulphate Potassium Salt is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your technical requirements.

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 tightly sealed after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Freely soluble in water

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