Description

6-Hydroxy-3,4'-Azodibenzoic Acid Dinatrium Salt is a high-purity, water-soluble azo compound primarily used as a key intermediate in the synthesis of specialized dyes and pigments. Its value lies in its ability to impart specific color and functional properties to advanced materials, ensuring consistent performance in demanding applications. This product is essential for manufacturers in the dye and pigment industry, as well as for research institutions developing novel colorants for textiles, inks, and specialty coatings.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing high-performance azo dyes and organic pigments.
• Textile Colorants: Used in the production of dyes for coloring natural and synthetic fibers.
• Ink Manufacturing: Serves as a precursor for colorants in industrial and specialty printing inks.
• Functional Material Synthesis: Employed in research and development of advanced materials, such as photochromic or electrochromic compounds.
• Analytical Chemistry: Can be utilized as a reagent or standard in analytical methods and research studies.
• Specialty Coatings: Used in the development of colored coatings with specific light-fastness or chemical resistance properties.

Basic Information

Product Name	6-Hydroxy-3,4'-Azodibenzoic Acid Dinatrium Salt
CAS No.	64896-26-0
Molecular Formula	C14H8N2Na2O5
Molecular Weight	330.20 g/mol
Synonyms	6-Hydroxy-3,4'-azodibenzoic acid disodium salt; 3,4'-Azobis(6-hydroxybenzoic acid) disodium salt; Disodium 6-hydroxy-3,4'-azodibenzoate; C.I. Azoic Coupling Component; Azo dye intermediate DA-1; Azobenzene-3,4'-dicarboxylic acid, 6-hydroxy-, disodium salt; 64896-26-0
EINECS	Contact for details

Quality Control

Our 6-Hydroxy-3,4'-Azodibenzoic Acid Dinatrium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles 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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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