Description

2,7-Naphthalenedisulfonic acid, 4-amino-6-[[5-[(5-chloro- 2-fluoro-6-methyl-4-pyrimidinyl)amino]-2-sulfophenyl ]azo]-3-[(2,5-disulfophenyl)azo]-5-hydroxy-, potassium sodium salt is a high-purity, complex azo dye intermediate with multiple sulfonic acid groups, offering excellent water solubility and chromophoric properties. This compound is engineered for precise color development and stability in demanding industrial applications, ensuring consistent batch-to-batch performance. It is a critical raw material for manufacturers in the textile dyeing, specialty ink, and advanced pigment industries seeking reliable and high-performance colorants.

Application

• Textile Dyeing: Primary application as a key intermediate for synthesizing high-grade, wash-fast reactive and direct dyes for cotton, wool, and nylon.
• Specialty Inks: Used in the formulation of high-performance inks for inkjet printing, security printing, and packaging, providing vibrant and stable coloration.
• Industrial Pigments: Serves as a precursor for manufacturing complex organic pigments used in plastics, coatings, and masterbatches.
• Biological Staining: Potential use in the development of specialized stains for histological and cytological applications in life science research.
• Functional Materials: Investigated for use in dye-sensitized solar cells (DSSCs) and other optoelectronic devices due to its light-absorbing characteristics.
• Analytical Chemistry: Can be employed as a chromogenic agent or indicator in specific analytical methods and test kits.

Basic Information

Item	Details
Product Name	2,7-Naphthalenedisulfonic acid, 4-amino-6-[[5-[(5-chloro- 2-fluoro-6-methyl-4-pyrimidinyl)amino]-2-sulfophenyl ]azo]-3-[(2,5-disulfophenyl)azo]-5-hydroxy-, potassium sodium salt
CAS No.	99129-26-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Reactive Black 39; Potassium sodium 4-amino-6-[[5-[(5-chloro-2-fluoro-6-methyl-4-pyrimidinyl)amino]-2-sulfophenyl]azo]-3-[(2,5-disulfophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonate; Reactive Black 39; 4-Amino-6-({5-[(5-chloro-2-fluoro-6-methylpyrimidin-4-yl)amino]-2-sulfophenyl}azo)-3-[(2,5-disulfophenyl)azo]-5-hydroxynaphthalene-2,7-disulfonic Acid Potassium Sodium Salt
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure purity and performance consistency. Every batch is analyzed using advanced techniques including HPLC and spectrophotometry to verify critical parameters such as chromophore content, impurity profile, and ionic strength. A comprehensive Certificate of Analysis (COA) detailing all 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 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 performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Completely soluble
Heavy Metals	Max. 20 ppm
Sulfated Ash	Contact for details

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