Description

4-Hydroxy-3-[(4-Methoxy-2-Sulphophenyl)Azo]-6-[Methyl[[2-(Sulphooxy)Ethyl]Sulphonyl]Amino]Naphthalene-2-Sulphonic Acid, Potassium Sodium Salt is a high-purity, water-soluble azo dye intermediate of significant industrial importance. This compound is valued for its role in synthesizing specialized dyes and pigments, offering excellent color properties and stability. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries seeking reliable intermediates for high-performance colorant production.

Application

• Textile Dye Synthesis: A key intermediate for producing reactive and acid dyes used in coloring cotton, wool, and nylon fibers.
• Inkjet Ink Formulation: Used in the manufacture of high-quality dyes for industrial and commercial printing inks.
• Specialty Pigment Production: Serves as a precursor for creating complex organic pigments with specific hue and fastness properties.
• Laboratory Research & Development: Employed as a standard or building block in R&D for novel chromophores and functional dyes.
• Paper Coloring: Can be utilized in the synthesis of dyes for specialty paper products.
• Biological Staining: Potential use as an intermediate for histological stains and diagnostic dyes.

Basic Information

Item	Details
Product Name	4-Hydroxy-3-[(4-Methoxy-2-Sulphophenyl)Azo]-6-[Methyl[[2-(Sulphooxy)Ethyl]Sulphonyl]Amino]Naphthalene-2-Sulphonic Acid, Potassium Sodium Salt
CAS No.	85567-17-5
Molecular Formula	C21H19KN3NaO13S3
Molecular Weight	Contact for details
Synonyms	Reactive Black 5, Potassium Sodium Salt; C.I. Reactive Black 5; Remazol Black B; Sumifix Black B; Levafix Black EB; Procion Black H-EXL; 4-Hydroxy-3-[(4-methoxy-2-sulfophenyl)azo]-6-[methyl[[2-(sulfooxy)ethyl]sulfonyl]amino]-2-naphthalenesulfonic acid, potassium sodium salt; 2-Naphthalenesulfonic acid, 4-hydroxy-3-((4-methoxy-2-sulfophenyl)azo)-6-(methyl((2-(sulfooxy)ethyl)sulfonyl)amino)-, potassium sodium salt
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-3-[(4-Methoxy-2-Sulphophenyl)Azo]-6-[Methyl[[2-(Sulphooxy)Ethyl]Sulphonyl]Amino]Naphthalene-2-Sulphonic Acid, Potassium Sodium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and compliance with industry specifications. Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and solubility are available upon request 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 room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Dark blue to black powder or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Freely soluble
Heavy Metals	Max. 20 ppm
pH (1% Solution)	6.0 - 8.0

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