Description

Disodium 5-(Benzoylamino)-3-[[2-(4-Cyclohexylphenoxy)Phenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate is a high-purity, synthetic organic dye belonging to the azo-naphthalene sulphonate class. This compound is valued for its excellent color strength, stability, and specific affinity for various substrates, making it a critical component in advanced coloration processes. It is primarily utilized by manufacturers in the textile, ink, and specialty polymer industries seeking consistent and reliable performance in their formulations.

Application

• Textile Dyeing: Used as a key dye for synthetic fibers like polyamide (nylon) and polyester, providing vibrant and wash-fast colors.
• Ink Manufacturing: Serves as a colorant for specialty inks, including those for packaging, security printing, and digital applications.
• Plastics and Polymer Coloring: Imparts color to engineering plastics and synthetic resins during the compounding process.
• Leather Finishing: Applied in the dyeing of leather goods to achieve deep, uniform shades.
• Paper Coloration: Used in the production of high-grade colored papers and decorative laminates.
• Research and Development: Acts as a reference standard or intermediate for synthesizing new dye molecules and functional materials.

Basic Information

Product Name	Disodium 5-(Benzoylamino)-3-[[2-(4-Cyclohexylphenoxy)Phenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate
CAS No.	79234-36-9
Molecular Formula	C35H30N4Na2O9S2
Molecular Weight	768.73 g/mol
Synonyms	Acid Red 423; C.I. 27295; Disodium 5-benzamido-3-[[2-(4-cyclohexylphenoxy)phenyl]azo]-4-hydroxy-2,7-naphthalenedisulfonate; 5-(Benzoylamino)-3-[[2-(4-cyclohexylphenoxy)phenyl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt; Azo dye C.I. 27295; 27295 (Colour Index); Benzamide, N-[3-[[2-(4-cyclohexylphenoxy)phenyl]azo]-4-hydroxy-6,7-disulfo-2-naphthalenyl]-, disodium salt
EINECS	Contact for details

Quality Control

Our Disodium 5-(Benzoylamino)-3-[[2-(4-Cyclohexylphenoxy)Phenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for color value, purity, and chemical composition. Certificates of Analysis (COA) detailing key parameters such as assay, hue, 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 a controlled room temperature (15-25°C). Keep away from incompatible materials and sources of heat. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Moisture Content	≤ 5.0%
Ash Content (Sulfated)	≤ 20.0%
Water Solubility	Freely soluble

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