Description

Trisodium 5-[[4-[[4-[(6-Amino-1-Hydroxy-3-Sulphonato-2-Naphthyl)Azo]-1-Naphthyl]Azo]-6-Sulphonato-1-Naphthyl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate known for its complex, multi-azo structure. This compound is valued for its ability to impart strong, vibrant color properties and act as a key building block in the synthesis of specialized dyes and pigments. It is primarily sought by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a critical precursor in the synthesis of complex, polyazo direct and reactive dyes for textiles like cotton and viscose.
• Specialty Ink Formulations: Used in the production of high-quality pigments for inks in packaging, security printing, and digital applications.
• Functional Dye Synthesis: A key component in creating dyes for non-textile applications, including paper coloring and leather dyeing.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo dye chemistry and properties.
• Analytical Chemistry: Can be used as a standard or reagent in analytical methods for dye identification and quantification.

Basic Information

Product Name	Trisodium 5-[[4-[[4-[(6-Amino-1-Hydroxy-3-Sulphonato-2-Naphthyl)Azo]-1-Naphthyl]Azo]-6-Sulphonato-1-Naphthyl]Azo]Salicylate
CAS No.	3841-15-4
Molecular Formula	C41H23N6Na3O13S3
Molecular Weight	972.80 g/mol
Synonyms	Trisodium 5-[[4-[[4-[(6-Amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]-6-sulphonato-1-naphthyl]azo]salicylate; C.I. Direct Brown 1:1; Direct Brown 1:1; Direct Brown 1 (sodium salt); 3841-15-4; Trisodium 4-[(4-{[4-(6-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl}azo)-6-sulphonato-1-naphthyl]azo-5-hydroxybenzoate
EINECS	223-341-2

Quality Control

Our Trisodium 5-[[4-[[4-[(6-Amino-1-Hydroxy-3-Sulphonato-2-Naphthyl)Azo]-1-Naphthyl]Azo]-6-Sulphonato-1-Naphthyl]Azo]Salicylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, consistent strength, and color value, meeting the specifications required for industrial dye synthesis. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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