Description

4-[[2-[[2,5-Dimethoxy-4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Phenyl]Azo]-1,3-Dioxobutyl]Amino]-5-Methoxy-2-Methylbenzenesulphonic Acid, Sodium Salt is a high-purity, water-soluble azo dye intermediate characterized by its complex, multi-functional molecular structure. This compound is engineered to provide exceptional chromophore properties and stability, making it a critical precursor for synthesizing specialized dyes and pigments. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries for producing vivid, lightfast colors.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-performance reactive dyes for cotton and other cellulosic fibers.
• Specialty Pigment Manufacturing: Used in the production of advanced organic pigments for inks, coatings, and plastics requiring specific color strength and durability.
• Textile Colorants: Serves as a crucial component in creating azo-based colorants for the textile dyeing and printing industry.
• Functional Dye Synthesis: Employed in research and development of functional dyes for non-textile applications, including sensors and imaging technologies.
• Laboratory Reagent: Used as a standard or reagent in analytical and research laboratories focusing on dye chemistry and material science.

Basic Information

Product Name	4-[[2-[[2,5-Dimethoxy-4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Phenyl]Azo]-1,3-Dioxobutyl]Amino]-5-Methoxy-2-Methylbenzenesulphonic Acid, Sodium Salt
CAS No.	94158-87-9
Molecular Formula	C22H24N3O14S3Na
Molecular Weight	689.68 g/mol
Synonyms	Benzenesulfonic acid, 4-[[2-[[2,5-dimethoxy-4-[(2-sulfooxyethyl)sulfonyl]phenyl]azo]-1,3-dioxobutyl]amino]-5-methoxy-2-methyl-, sodium salt (1:1); Sodium 4-((2-(2,5-dimethoxy-4-((2-sulfooxyethyl)sulfonyl)phenyl)hydrazono)-3-oxobutanamido)-5-methoxy-2-methylbenzenesulfonate; Reactive Dye Intermediate 94158-87-9; Azo Dye Precursor CAS 94158-87-9; Acid, Sodium Salt of C.I. Reactive Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Every lot is analyzed using modern analytical techniques including HPLC and spectrophotometry to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with each shipment to support 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility (in Water)	Clear solution at 1%
Heavy Metals (as Pb)	≤ 20 ppm

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