Description

Sodium 2'-[4-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]Phenyl]-6-Methyl[2,6'-Bibenzothiazole]-7-Sulphonate is a high-purity, synthetic organic compound belonging to the class of azo dyes and benzothiazole derivatives. This product is engineered to deliver exceptional color strength, thermal stability, and chemical resistance, making it a critical component for demanding technical applications. It is primarily sought after by manufacturers in the textile, specialty ink, and advanced material coating industries who require reliable and consistent performance in their formulations.

Application

• Textile Dyeing: As a key dye intermediate for coloring synthetic fibers like polyester and nylon, offering excellent wash and light fastness.
• Specialty Inks: Used in the formulation of high-performance inks for jet printing, security printing, and packaging.
• Functional Coatings: Incorporated into coatings for plastics and metals where color stability under UV exposure and harsh conditions is required.
• Research & Development: Serves as a chemical intermediate or reference standard in organic synthesis and material science research.
• Pigment Manufacturing: Acts as a precursor or additive in the production of high-grade organic pigments.
• Analytical Chemistry: Potential use as a chromogenic agent or tracer in specific analytical methods.

Basic Information

Product Name	Sodium 2'-[4-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]Phenyl]-6-Methyl[2,6'-Bibenzothiazole]-7-Sulphonate
CAS No.	6359-80-4
Molecular Formula	C30H21N5NaO4S2
Molecular Weight	610.64 g/mol
Synonyms	Acid Yellow 219; C.I. 18965; 2'-[4-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]phenyl]-6-methyl-2,6'-bibenzothiazole-7-sulfonic acid sodium salt; Sodium 7-(4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)phenyl)-6-methyl-2,6'-bibenzothiazole-2'-sulfonate; 18965; Yellow 219; Acid Yellow 219 (C.I.)
EINECS	Contact for details

Quality Control

Our production of Sodium 2'-[4-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]Phenyl]-6-Methyl[2,6'-Bibenzothiazole]-7-Sulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and spectrophotometry for color value, to ensure consistent performance and compliance with customer specifications. Comprehensive Certificates of Analysis (COA) documenting identity, purity, and key physical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Yellow to orange-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 (in water)	Soluble, clear solution

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