Description

Sodium 3-[[4-[(4-Hydroxyphenyl)Azo]-5-Methoxy-o-Tolyl]Azo]-4-Methoxybenzenesulphonate is a high-purity azo dye intermediate, also known as a disazo compound, valued for its precise chemical structure and consistent performance in demanding synthesis processes. This compound is essential for manufacturers requiring reliable and high-quality raw materials to produce specialized dyes and pigments. It is primarily utilized by the textile, ink, and specialty chemical industries for creating vivid and stable colorants.

Application

• Primary intermediate in the synthesis of high-performance azo dyes and pigments for textiles and fabrics.
• Key component in the manufacturing of colorants for inks, including printing and packaging inks.
• Used in the production of specialized pigments for coatings and paints requiring specific hue and lightfastness properties.
• Acts as a functional intermediate in the research and development of novel optical materials and sensors.
• Employed in the synthesis of colorants for plastics and polymers.
• Potential use as a staining agent or colorimetric reagent in select laboratory and analytical applications.

Basic Information

Product Name	Sodium 3-[[4-[(4-Hydroxyphenyl)Azo]-5-Methoxy-o-Tolyl]Azo]-4-Methoxybenzenesulphonate
CAS No.	26845-91-0
Molecular Formula	C27H23N4NaO7S
Molecular Weight	570.55 g/mol
Synonyms	Benzenesulfonic acid, 3-[[4-[(4-hydroxyphenyl)azo]-5-methoxy-2-methylphenyl]azo]-4-methoxy-, sodium salt; C.I. 26050; Sodium 3-[[4-[(4-hydroxyphenyl)azo]-5-methoxy-o-tolyl]azo]-4-methoxybenzenesulfonate; Disazo dye intermediate; 4-Methoxy-3-[[4-[(4-hydroxyphenyl)azo]-5-methoxy-2-methylphenyl]azo]benzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our Sodium 3-[[4-[(4-Hydroxyphenyl)Azo]-5-Methoxy-o-Tolyl]Azo]-4-Methoxybenzenesulphonate is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality requirements.

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 tightly sealed to prevent absorption of atmospheric moisture.

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	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.