Description

Ammonium Sodium 8-[(4-Amino-3-Methoxyphenyl)Azo]-6-Ethoxy-5-[(2-Hydroxy-6-Sulphonatonaphthyl)Azo]Naphthalene-2-Sulphonate CAS NO 83950-07-6 is a high-purity, synthetic azo dye intermediate characterized by its complex disazo structure. This compound is engineered to deliver exceptional color strength and stability in demanding industrial applications, making it a critical component for manufacturers requiring precise and reliable colorants. It is primarily utilized by producers in the textile, ink, and specialty coatings sectors who need advanced intermediates for creating vibrant, high-performance dyes and pigments.

Application

• Primary Intermediate for Disazo Dyes: Serves as a key building block in the synthesis of high-grade, complex disazo dyes for textiles, leather, and paper.
• Industrial Ink Formulations: Used in the production of pigments for printing inks, including packaging and security inks, where color consistency is paramount.
• Specialty Coatings and Paints: Incorporated into formulations for industrial coatings and automotive paints that require enhanced lightfastness and chemical resistance.
• Plastics and Polymer Coloring: Acts as a colorant intermediate for synthetic fibers, masterbatches, and colored plastics.
• Research & Development: Employed in chemical R&D laboratories for developing novel chromophores and studying azo dye chemistry.
• Functional Dyes: Potential use in the synthesis of dyes for non-textile applications, such as in optical data storage or liquid crystal displays (LCDs).

Basic Information

Product Name	Ammonium Sodium 8-[(4-Amino-3-Methoxyphenyl)Azo]-6-Ethoxy-5-[(2-Hydroxy-6-Sulphonatonaphthyl)Azo]Naphthalene-2-Sulphonate
CAS No.	83950-07-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Direct Brown 223; Direct Brown 223; 8-[(4-Amino-3-methoxyphenyl)azo]-6-ethoxy-5-[(2-hydroxy-6-sulfonato-1-naphthyl)azo]naphthalene-2-sulfonic acid, ammonium sodium salt; Ammonium sodium 8-[(4-amino-3-methoxyphenyl)azo]-6-ethoxy-5-[(2-hydroxy-6-sulfonato-1-naphthalenyl)azo]-2-naphthalenesulfonate; Disazo dye intermediate Brown 223; Azo dye intermediate 83950-07-6; Dye intermediate for Direct Brown 223
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and performance. Each lot undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometry for color strength, and elemental analysis. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Ash Content	Max. 1.0%
Water Solubility	Freely soluble
Heavy Metals (as Pb)	Max. 20 ppm

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