Description

Sodium 2-[4-[[2,4-Dihydroxy-5-(Phenylazo)Phenyl]Azo]Phenyl]-6-Methylbenzothiazole-7-Sulphonate is a high-purity, synthetic azo dye intermediate of significant commercial importance. This compound is valued for its ability to impart vivid and stable coloration, making it a critical component in the production of specialized dyes and pigments. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings industries who require consistent quality and performance for their formulations.

Application

This azo compound serves as a versatile intermediate with several key industrial applications:

• Primary Dye Intermediate: Used in the synthesis of high-performance azo dyes for textile fibers, including nylon, polyester, and wool.
• Specialty Ink Formulations: A key component in the production of inks for jet printing, packaging, and security printing applications.
• Industrial Pigments: Employed in the manufacture of organic pigments for plastics, paints, and coatings, offering good light and weather fastness.
• Research & Development: Utilized in chemical research as a model compound for studying azo dye chemistry and developing new colorants.
• Functional Materials: Investigated for potential use in advanced materials, such as dye-sensitized solar cells (DSSCs) and optical sensors.

Basic Information

Product Name	Sodium 2-[4-[[2,4-Dihydroxy-5-(Phenylazo)Phenyl]Azo]Phenyl]-6-Methylbenzothiazole-7-Sulphonate
CAS No.	85188-16-5
Molecular Formula	C26H18N5NaO6S2
Molecular Weight	583.57 g/mol
Synonyms	Acid Yellow 219; C.I. 13980; 7-Benzothiazolesulfonic acid, 2-[4-[(2,4-dihydroxy-5-[(E)-phenyldiazenyl]phenyl)diazenyl]phenyl]-6-methyl-, sodium salt; Sodium 6-methyl-2-[4-[(2,4-dihydroxy-5-phenylazophenyl)azo]phenyl]benzothiazole-7-sulfonate; Azo dye intermediate YA-219; 2-[p-[2,4-Dihydroxy-5-(phenylazo)phenylazo]phenyl]-6-methyl-7-benzothiazolesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of Sodium 2-[4-[[2,4-Dihydroxy-5-(Phenylazo)Phenyl]Azo]Phenyl]-6-Methylbenzothiazole-7-Sulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for industrial applications. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and color strength evaluation. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory compliance needs.

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 product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed when not in use to prevent degradation and moisture absorption.

Specification

Item	Specification
Appearance	Orange to 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
Solubility (1% in Water)	Clear, orange solution

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