Description

4-[[3-[[(1,1-Dimethylethyl)Amino]Sulphonyl]-4-Hydroxy-8-[(Methylsulphonyl)Amino]-1-Naphthyl]Azo]Benzenesulphonic Acid is a high-purity, functionalized azo dye intermediate of significant industrial importance. Its complex molecular structure, featuring multiple sulphonic acid and sulphonamide groups, provides excellent water solubility and binding affinity, making it a critical precursor for specialized colorants. This compound is essential for manufacturers in the dye and pigment industry seeking to produce high-performance, light-fast, and wash-fast colors for textiles, inks, and advanced materials.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block for synthesizing high-value, water-soluble azo dyes, particularly for textile fibers like nylon, wool, and silk.
• Specialty Ink Formulations: Used in the production of inks for jet printing, packaging, and security applications where specific color properties and stability are required.
• Functional Dyes for Advanced Materials: Potential applications in the development of dyes for liquid crystal displays (LCDs), optical data storage, and other high-tech electronic materials.
• Research & Development: Employed in chemical R&D for studying azo coupling reactions and developing novel chromophores with tailored properties.
• Analytical Chemistry Reagent: Can be utilized as a complexometric indicator or a staining agent in specific biochemical and histochemical assays.

Basic Information

Product Name	4-[[3-[[(1,1-Dimethylethyl)Amino]Sulphonyl]-4-Hydroxy-8-[(Methylsulphonyl)Amino]-1-Naphthyl]Azo]Benzenesulphonic Acid
CAS No.	63148-77-6
Molecular Formula	C27H30N4O8S3
Molecular Weight	634.74 g/mol
Synonyms	Benzenesulfonic acid, 4-[[3-[[(1,1-dimethylethyl)amino]sulfonyl]-4-hydroxy-8-[(methylsulfonyl)amino]-1-naphthalenyl]azo]-; 4-((3-((tert-Butylamino)sulfonyl)-4-hydroxy-8-((methylsulfonyl)amino)-1-naphthyl)azo)benzenesulfonic acid; C.I. Acid Orange 156; Azo dye intermediate 63148-77-6; Tert-butylamino sulfonated azo dye acid; 8-(Methylsulfonylamino)-4-hydroxy-3-[(4-sulfophenyl)azo]-1-naphthalenesulfonamide, N-tert-butyl derivative
EINECS	Contact for details

Quality Control

Our production of 4-[[3-[[(1,1-Dimethylethyl)Amino]Sulphonyl]-4-Hydroxy-8-[(Methylsulphonyl)Amino]-1-Naphthyl]Azo]Benzenesulphonic Acid adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee traceability and quality assurance for your manufacturing processes.

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 nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product performance and stability. Keep away from incompatible materials such as strong oxidizing agents.

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	≤ 1.0%
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.