Description

5-Acetamido-4-Hydroxy-3-[[4-[(1-Oxoallyl)Amino]-3-Sulphophenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt is a high-purity, water-soluble azo dye intermediate characterized by its complex poly-sulfonated structure. This compound is essential for synthesizing specialized, high-value dyes and pigments that require excellent solubility and specific chromophoric properties. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and stable colorants.

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 complex organic pigments for inks, coatings, and plastics requiring specific color fastness.
• Textile Dyeing: Imparts specific color shades with good wash and light fastness when incorporated into final dye formulations.
• Biological Staining Agent: Potential use as a precursor for developing specialized stains in histology and microscopy due to its azo chromophore.
• Research & Development: Serves as a critical reagent in chemical research for developing new chromophores and functional dyes.
• Analytical Chemistry: Can be utilized as a complexometric indicator or a standard in chromatographic analysis.

Basic Information

Product Name	5-Acetamido-4-Hydroxy-3-[[4-[(1-Oxoallyl)Amino]-3-Sulphophenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Potassium Sodium Salt
CAS No.	85959-01-9
Molecular Formula	C21H15KN4Na2O13S3
Molecular Weight	728.68 g/mol
Synonyms	5-Acetamido-4-hydroxy-3-((4-((1-oxoallyl)amino)-3-sulfophenyl)azo)naphthalene-2,7-disulfonic acid, potassium sodium salt; Potassium sodium 5-acetamido-4-hydroxy-3-[[4-[(1-oxoallyl)amino]-3-sulfophenyl]azo]naphthalene-2,7-disulfonate; CI 27755; Reactive Dye Intermediate; Azo Dye Intermediate KN; Poly-sulfonated Azo Dye Salt
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management systems. Every batch is subjected to comprehensive analytical testing, including HPLC for purity and spectrophotometric analysis for color strength, ensuring consistency and performance. A detailed Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is provided with each shipment to guarantee it meets your specific application requirements.

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 and excessive heat. The container must be kept tightly sealed to protect the hygroscopic and light-sensitive material from moisture and degradation.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95.0%
Water Content (KF)	Max. 5.0%
Sulfated Ash	15.0% - 25.0%
Heavy Metals (as Pb)	Max. 20 ppm
Solubility (in Water)	Clear solution

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