Description

5-Methoxy-4-[[2-[[2-Methoxy-5-Methyl-4-[[2-(Sulfooxy)Ethyl]Sulfonyl]Phenyl]Azo]-1,3-Dioxobutyl]Amino]-2-Methylbenzenesulfonic Acid is a high-purity, complex azo dye intermediate characterized by its sulfonic acid and reactive sulfonyl ester groups. This compound matters for its role as a key precursor in synthesizing specialized reactive dyes, offering excellent color fastness and binding properties on cellulosic fibers like cotton. Industrial manufacturers and R&D laboratories in the textile, ink, and specialty chemical sectors require this intermediate to develop vibrant, wash-fast dyes and pigments. Its specific molecular architecture allows for the creation of dyes with enhanced solubility and application performance.

Application

• Primary Intermediate for Reactive Dyes: A critical building block in the synthesis of high-performance reactive dyes for textile coloring, particularly for cotton, viscose, and other cellulosic fibers.
• Specialty Ink Formulation: Used in the development of specialized inks for jet printing and other applications requiring specific color properties and stability.
• Research & Development: Serves as a valuable compound in chemical R&D for exploring new chromophores, azo dye structures, and functional materials.
• Pigment Manufacturing: Can be utilized as a precursor in the production of certain high-value organic pigments with improved characteristics.
• Functional Material Synthesis: Potential use in creating materials where sulfonic acid groups are needed for ion-exchange properties or enhanced hydrophilicity.

Basic Information

Product Name	5-Methoxy-4-[[2-[[2-Methoxy-5-Methyl-4-[[2-(Sulfooxy)Ethyl]Sulfonyl]Phenyl]Azo]-1,3-Dioxobutyl]Amino]-2-Methylbenzenesulfonic Acid
CAS No.	23807-34-3
Molecular Formula	C24H29N3O13S3
Molecular Weight	671.70 g/mol
Synonyms	Benzenesulfonic acid, 5-methoxy-4-[[2-[[2-methoxy-5-methyl-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-1,3-dioxobutyl]amino]-2-methyl-; Reactive Dye Intermediate 23807-34-3; 4-[[2-[[4-[(2-Sulfatoethyl)sulfonyl]-2-methoxy-5-methylphenyl]azo]-3-oxobutanoylamino]-5-methoxy-2-methylbenzenesulfonic acid; Azo dye intermediate CAS 23807-34-3
EINECS	Contact for details

Quality Control

Our production of 5-Methoxy-4-[[2-[[2-Methoxy-5-Methyl-4-[[2-(Sulfooxy)Ethyl]Sulfonyl]Phenyl]Azo]-1,3-Dioxobutyl]Amino]-2-Methylbenzenesulfonic Acid adheres to stringent quality management protocols. 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) detailing batch-specific results are provided and available upon request, supporting your quality assurance and regulatory 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to brownish powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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