Description

6-Amino-4-Hydroxy-3-[[4-(Phenylazo)-1-Naphtyl]Azo]-2-Naphthalenesulfonic Acid Sodium Salt is a high-purity, synthetic azo dye intermediate of significant commercial importance. This compound is valued for its precise molecular structure, which is critical for producing vivid and stable colorants. It is primarily required by manufacturers in the dye and pigment industries for synthesizing specialized azo dyes used in textiles, inks, and other colorant applications.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-performance, complex azo dyes.
• Textile Dye Manufacturing: Used to produce dyes for coloring natural and synthetic fibers, offering good wash and light fastness.
• Pigment Production: Employed in the manufacture of organic pigments for inks, paints, and plastics.
• Specialty Colorants: Utilized in the formulation of specialized colorants for leather, paper, and other industrial materials.
• Research & Development: Acts as a reference standard and starting material in chemical R&D for novel chromophores.

Basic Information

Item	Detail
Product Name	6-Amino-4-Hydroxy-3-[[4-(Phenylazo)-1-Naphtyl]Azo]-2-Naphthalenesulfonic Acid Sodium Salt
CAS No.	6227-04-9
Molecular Formula	C26H18N5NaO4S
Molecular Weight	519.51 g/mol
Synonyms	Acid Red 299; C.I. 18130; Sodium 6-amino-4-hydroxy-3-[[4-(phenylazo)-1-naphthyl]azo]-2-naphthalenesulfonate; 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-3-((4-(phenylazo)-1-naphthalenyl)azo)-, monosodium salt; Azo Dye Intermediate 6227-04-9; 6-Amino-4-hydroxy-3-((4-(phenylazo)-1-naphthyl)azo)-2-naphthalenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our 6-Amino-4-Hydroxy-3-[[4-(Phenylazo)-1-Naphtyl]Azo]-2-Naphthalenesulfonic Acid Sodium Salt is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key specifications 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, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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