Description

2-[[4-[Bis[2-[(Methylsulfonyl)Oxy]Ethyl]Amino]Phenyl]Azo]Benzoic Acid is a specialized azo dye intermediate characterized by its reactive methylsulfonyloxy (mesyloxy) functional groups. This compound is valued for its role in synthesizing high-performance dyes and pigments, where it acts as a key precursor for introducing chromophoric and reactive sites. It is primarily required by manufacturers in the fine chemicals, advanced materials, and specialty dye industries for research and production applications.

Application

• Precursor for Reactive Dyes: Serves as a critical intermediate in the synthesis of reactive dyes for textiles, particularly for cellulose fibers like cotton and rayon.
• Specialty Pigment Manufacturing: Used in the production of high-value organic pigments for inks, coatings, and plastics that require specific color fastness and stability.
• Functional Dye Synthesis: Employed in the development of functional dyes for non-textile applications, including dyes for lasers, optical data storage, and liquid crystal displays (LCDs).
• Biochemical Research: May be utilized as a tagging or labeling agent in biochemical research due to its azo linkage and reactive handles.
• Polymer Modification: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers and colorants.
• Analytical Chemistry: Can be used as a standard or reagent in chromatographic analysis and method development for dye-related compounds.

Basic Information

Product Name	2-[[4-[Bis[2-[(Methylsulfonyl)Oxy]Ethyl]Amino]Phenyl]Azo]Benzoic Acid
CAS No.	40136-84-3
Molecular Formula	C20H23N3O8S2
Molecular Weight	497.54 g/mol
Synonyms	Benzoic acid, 2-[[4-[bis[2-[(methylsulfonyl)oxy]ethyl]amino]phenyl]azo]-; 2-((4-(Bis(2-((methylsulfonyl)oxy)ethyl)amino)phenyl)diazenyl)benzoic acid; 40136-84-3; Azo dye intermediate with mesyloxy groups; 2-[(4-{Bis[2-(methylsulfonyloxy)ethyl]amino}phenyl)azo]benzoic acid; Reactive azo dye precursor
EINECS	Contact for details

Quality Control

Our 2-[[4-[Bis[2-[(Methylsulfonyl)Oxy]Ethyl]Amino]Phenyl]Azo]Benzoic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise 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 a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to red powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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