Description

Disodium 5-(Benzoylamino)-4-Hydroxy-3-[[2-(2-Methylphenoxy)Phenyl]Azo]Naphthalene-2,7-Disulphonate is a high-purity, synthetic azo dye intermediate essential for producing vibrant and stable colorants. Its complex molecular structure provides excellent chromophoric properties, making it a critical component for achieving specific, high-performance hues. This compound is primarily utilized by manufacturers in the dye and pigment industries, as well as in research and development for advanced material science applications.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-value, complex azo dyes for textiles, leather, and plastics.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific shades of red, orange, or brown with enhanced light and chemical fastness.
• Ink Formulation: Employed in the development of specialty printing inks, including those for security printing and high-durability applications.
• Research & Development: Acts as a standard or precursor in chemical research for developing new chromophores and studying dye-polymer interactions.
• Analytical Chemistry: Can be used as a staining agent or colorimetric indicator in specific laboratory analyses.

Basic Information

Product Name	Disodium 5-(Benzoylamino)-4-Hydroxy-3-[[2-(2-Methylphenoxy)Phenyl]Azo]Naphthalene-2,7-Disulphonate
CAS No.	70210-37-6
Molecular Formula	C30H21N3Na2O9S2
Molecular Weight	685.61 g/mol
Synonyms	Acid Red 423; C.I. 18130; Disodium 5-benzamido-4-hydroxy-3-[[2-(o-tolyloxy)phenyl]azo]naphthalene-2,7-disulphonate; 5-(Benzoylamino)-4-hydroxy-3-[[2-(2-methylphenoxy)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt; Benzenesulfonic acid, 5-(benzoylamino)-4-hydroxy-3-((2-(2-methylphenoxy)phenyl)azo)-2,7-disulfo-, disodium salt
EINECS	Contact for details

Quality Control

Our production of Disodium 5-(Benzoylamino)-4-Hydroxy-3-[[2-(2-Methylphenoxy)Phenyl]Azo]Naphthalene-2,7-Disulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from heat sources and incompatible materials. 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.