Description

5-Acetamido-4-Hydroxy-3-[[4-[Methyl[[2-(Sulphooxy)Ethyl]Sulphonyl]Amino]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt is a high-purity, water-soluble azo dye intermediate of significant industrial importance. Its complex molecular structure, featuring multiple sulphonic acid groups, provides excellent solubility and binding properties, making it a critical precursor for specialized colorants. This compound is primarily sought after by manufacturers in the textile, ink, and specialty chemical sectors for synthesizing high-performance dyes and pigments.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-quality reactive dyes for cotton, wool, and polyamide fibers, offering bright shades and excellent wash-fastness.
• Specialty Ink Manufacturing: Used in the production of pigments for inks requiring specific solubility and color characteristics, including some digital printing inks.
• Functional Dye Synthesis: Serves as a precursor for dyes used in biological staining, pH indicators, and other functional colorant applications due to its azo and sulphonate groups.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying azo dye chemistry and photophysical properties.

Basic Information

Item	Details
Product Name	5-Acetamido-4-Hydroxy-3-[[4-[Methyl[[2-(Sulphooxy)Ethyl]Sulphonyl]Amino]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt
CAS No.	94109-45-2
Molecular Formula	C21H19KN4NaO14S4
Molecular Weight	774.73 g/mol (approx.)
Synonyms	Reactive Dye Intermediate 94109-45-2; Potassium Sodium 5-Acetamido-4-hydroxy-3-((4-((methyl(2-sulfooxyethyl)sulfonyl)amino)phenyl)diazenyl)naphthalene-2,7-disulfonate; Azo Dye Intermediate CAS 94109-45-2; C.I. Reactive Red 198 Intermediate; 5-Acetamido-4-hydroxy-3-[(4-{methyl[(2-sulfonatooxyethyl)sulfonyl]amino}phenyl)diazenyl]naphthalene-2,7-disulfonate, potassium sodium salt
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to stringent quality control protocols to ensure batch-to-batch consistency and high purity. Every lot is analyzed using advanced techniques like HPLC and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each shipment to support your quality assurance processes.

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 (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility (1% in Water)	Complete, 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.