Description

Disodium 5-(Benzoylamino)-3-[[3-[4-(tert-Butyl)Phenoxy]Phenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate is a high-purity, synthetic organic dye intermediate of significant commercial importance. This compound is valued for its ability to impart vivid and stable coloration, making it a critical component in the production of advanced pigments and dyes. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings industries who require consistent quality and performance for their formulations.

Application

• Textile Dyeing: As a key intermediate for producing high-performance azo dyes used in coloring natural and synthetic fibers.
• Ink Manufacturing: For the formulation of specialty printing inks, including those for packaging and security applications, where color fastness is critical.
• Industrial Pigments: In the synthesis of organic pigments for plastics, paints, and coatings, offering excellent tinting strength and durability.
• Research & Development: Serves as a valuable chemical reagent in academic and industrial R&D labs for developing new colorants and studying dye chemistry.
• Specialty Coatings: Used in the production of colorants for automotive, architectural, and industrial coatings requiring UV stability and weatherability.

Basic Information

Product Name	Disodium 5-(Benzoylamino)-3-[[3-[4-(tert-Butyl)Phenoxy]Phenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate
CAS No.	84559-89-7
Molecular Formula	C39H33N4Na2O10S2
Molecular Weight	858.80 g/mol
Synonyms	5-(Benzoylamino)-3-[[3-[4-(tert-butyl)phenoxy]phenyl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt; C.I. Solvent Yellow 163; Azo dye intermediate 84559-89-7; Disodium 5-benzamido-3-[[3-(p-tert-butylphenoxy)phenyl]azo]-4-hydroxy-2,7-naphthalenedisulfonate; Tert-butylphenoxy azo naphthalene disulfonate
EINECS	Contact for details

Quality Control

Our production of Disodium 5-(Benzoylamino)-3-[[3-[4-(tert-Butyl)Phenoxy]Phenyl]Azo]-4-Hydroxynaphthalene-2,7-Disulphonate adheres to stringent quality control protocols to ensure batch-to-batch consistency and purity. The material is manufactured under a quality management system and undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee 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). Keep away from incompatible materials and sources of ignition. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 20.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in water)	Freely soluble

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