Description

2-[4-[[1-[[(2-Methoxy-5-Sulphophenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]Phenyl]-6-Methylbenzothiazole-7-Sulphonic Acid, Sodium Salt is a high-purity, water-soluble anionic azo dye intermediate of significant commercial importance. Its value lies in its role as a key precursor for synthesizing specialized dyes and pigments, particularly those requiring bright, stable colors and good solubility. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to produce high-performance colorants.

Application

• Primary Intermediate for Reactive Dyes: A critical building block in the synthesis of reactive dyes for cotton, wool, and nylon fibers, providing excellent wash and light fastness.
• Specialty Pigment Manufacturing: Used in the production of high-performance pigments for inks, coatings, and plastics where color strength and stability are paramount.
• Functional Dye Synthesis: Serves as a precursor for dyes used in specialized applications, including paper coloring and leather dyeing.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo dye chemistry and properties.

Basic Information

Product Name	2-[4-[[1-[[(2-Methoxy-5-Sulphophenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]Phenyl]-6-Methylbenzothiazole-7-Sulphonic Acid, Sodium Salt
CAS No.	83763-70-6
Molecular Formula	C25H21N4O8S2Na
Molecular Weight	616.57 g/mol
Synonyms	Acid Red 337 (sodium salt); C.I. 17200; Sodium 2-[4-[[1-[[(2-methoxy-5-sulfophenyl)carbamoyl]-2-oxopropyl]azo]phenyl]-6-methyl-1,3-benzothiazole-7-sulfonate; 7-Benzothiazolesulfonic acid, 2-[4-[[1-[[(2-methoxy-5-sulfophenyl)amino]carbonyl]-2-oxopropyl]azo]phenyl]-6-methyl-, sodium salt; Reactive Red Dye Intermediate; Azo Benzothiazole Sulfonate
EINECS	Contact for details

Quality Control

Our production of 2-[4-[[1-[[(2-Methoxy-5-Sulphophenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]Phenyl]-6-Methylbenzothiazole-7-Sulphonic Acid, Sodium Salt adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Solubility (in Water)	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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