Description

3-[8-[2-Cyano-4-(methylsulfonyl)phenylazo]-5-hydroxy-6-(propionylamino)-1-naphtylaminosulfonyl]-N-[5-hexadecyloxy-2-hydroxy-4-(1,1,3,3-tetramethylbutyl)phenyl]benzenesulfonamide is a high-performance, complex azo dye intermediate designed for demanding industrial applications. Its sophisticated molecular structure provides excellent chromophore properties, making it a critical component for producing vivid and durable colorants. This compound is essential for manufacturers in the textile, ink, and specialty polymer industries seeking to develop advanced, high-value colored products.

Application

• Textile Dyeing: A key intermediate for synthesizing high-grade, wash-fast, and light-fast reactive and disperse dyes for synthetic and natural fibers.
• Ink Manufacturing: Used in the production of high-performance pigments for industrial inks, including those for packaging, printing, and textiles.
• Plastic and Polymer Coloring: Serves as a precursor for pigments used to color engineering plastics, masterbatches, and synthetic fibers.
• Specialty Coatings: Employed in the synthesis of organic pigments for automotive, industrial, and decorative coatings requiring superior weatherability.
• Research & Development: A valuable chemical for R&D laboratories focusing on novel dye chemistry, material science, and colorant technology.
• Functional Dyes: Potential use in the development of dyes for non-textile applications, such as in optical data storage or liquid crystal displays (LCDs).

Basic Information

Product Name	3-[8-[2-Cyano-4-(methylsulfonyl)phenylazo]-5-hydroxy-6-(propionylamino)-1-naphtylaminosulfonyl]-N-[5-hexadecyloxy-2-hydroxy-4-(1,1,3,3-tetramethylbutyl)phenyl]benzenesulfonamide
CAS No.	103122-63-0
Molecular Formula	C55H68N6O9S3
Molecular Weight	1045.36 g/mol
Synonyms	Benzenesulfonamide, 3-[8-[(2-cyano-4-(methylsulfonyl)phenyl)azo]-5-hydroxy-6-[(1-oxopropyl)amino]-1-naphthalenesulfonamido]-N-[5-(hexadecyloxy)-2-hydroxy-4-(1,1,3,3-tetramethylbutyl)phenyl]-; C.I. Disperse Red 356; Disperse Red 356; Solvent Red 356; CAS 103122-63-0; Azo dye intermediate 103122-63-0; Complex sulfonamide azo dye
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Every lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key specifications such as assay, impurity profile, and physical characteristics to meet your precise formulation requirements.

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). Keep away from strong oxidizing agents and incompatible materials. The product is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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