Description

Sodium 2-Hydroxy-3-[(2-Hydroxy-1-Dibenzofuryl)Azo]-5-Nitrobenzenesulphonate is a specialized azo dye intermediate known for its distinct chromophoric structure. This compound is valued for its ability to impart specific color properties and act as a key precursor in the synthesis of high-performance dyes and pigments. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries seeking precise colorants and functional intermediates.

Application

• Primary Intermediate for Dye Synthesis: A key building block for manufacturing azo dyes with specific shades of yellow, orange, and red.
• Textile Dyeing and Printing: Used in the production of dyes for coloring natural and synthetic fibers, including cotton and polyester blends.
• Ink Formulation: Serves as a colorant component in the manufacture of industrial and specialty printing inks.
• Pigment Production: Acts as a precursor in the creation of organic pigments for plastics, coatings, and paints.
• Research & Development: Employed in chemical research for developing new chromophores and studying azo coupling reactions.
• Analytical Reagent: Potential use as a staining agent or indicator in specific laboratory analytical procedures.

Basic Information

Product Name	Sodium 2-Hydroxy-3-[(2-Hydroxy-1-Dibenzofuryl)Azo]-5-Nitrobenzenesulphonate
CAS No.	6232-51-5
Molecular Formula	C20H11N3NaO7S
Molecular Weight	460.37 g/mol
Synonyms	Benzenesulfonic acid, 2-hydroxy-3-[(2-hydroxy-1-dibenzofuranyl)azo]-5-nitro-, sodium salt; C.I. 12715; Sodium 3-[(2-hydroxy-1-dibenzofuranyl)azo]-4-hydroxy-5-nitrobenzenesulfonate; 2-Hydroxy-3-[(2-hydroxy-1-dibenzofuryl)azo]-5-nitrobenzenesulphonic acid sodium salt; Azo dye intermediate 6232-51-5; 5-Nitro-2-hydroxy-3-[(2-hydroxy-1-dibenzofuryl)azo]benzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 2-Hydroxy-3-[(2-Hydroxy-1-Dibenzofuryl)Azo]-5-Nitrobenzenesulphonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical identity. Certificates of Analysis (COA) detailing key specifications such as assay, impurity profile, and physical characteristics 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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