Description

4-[[4-[[5-(1,1-Dimethylethyl)-2-Hydroxyphenyl]Azo]Phenyl]Azo]Benzenesulfonic Acid Sodium Salt is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its value lies in its ability to impart a stable, vivid color, making it a critical precursor for the synthesis of specialized dyes and pigments. This compound is essential for manufacturers in the textile, ink, and specialty coatings industries seeking to produce high-performance colorants.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of high-value, complex azo colorants for demanding applications.
• Textile Dyeing: Used in the production of dyes for coloring natural and synthetic fibers, offering good wash and light fastness properties.
• Ink Formulation: Employed in the manufacture of pigments for industrial inks, including packaging and printing inks, due to its color strength and solubility.
• Specialty Coatings: Acts as a colorant precursor in coatings for plastics, leather, and other substrates requiring specific hue and durability.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Reagents: Can be used as a staining agent or indicator in certain laboratory and analytical procedures.

Basic Information

Item	Details
Product Name	4-[[4-[[5-(1,1-Dimethylethyl)-2-Hydroxyphenyl]Azo]Phenyl]Azo]Benzenesulfonic Acid Sodium Salt
CAS No.	69520-93-0
Molecular Formula	C28H25N4NaO4S
Molecular Weight	536.58 g/mol
Synonyms	Sodium 4-[[4-[(5-tert-butyl-2-hydroxyphenyl)azo]phenyl]azo]benzenesulfonate; Benzenesulfonic acid, 4-[[4-[[5-(1,1-dimethylethyl)-2-hydroxyphenyl]azo]phenyl]azo]-, sodium salt; Azo dye intermediate 69520-93-0; 4-[(4-{[5-(tert-Butyl)-2-hydroxyphenyl]diazenyl}phenyl)diazenyl]benzenesulfonic acid sodium salt; CI 12715 (related); Tert-butyl hydroxy azo benzene sulfonate sodium salt
EINECS	Contact for details

Quality Control

Our production of 4-[[4-[[5-(1,1-Dimethylethyl)-2-Hydroxyphenyl]Azo]Phenyl]Azo]Benzenesulfonic Acid Sodium Salt adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Every lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profile. Certificates of Analysis (COA) detailing all critical specifications are provided and available upon request to support your quality assurance processes.

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). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition (Sulfated Ash)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility (in Water)	Freely soluble

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