Description

4-Amino-3-[(2-Chlorophenyl)Azo]-5-Hydroxy-6-[[4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Sodium Salt is a high-purity, water-soluble azo dye intermediate with multiple sulphonic acid groups, designed for demanding industrial synthesis. This compound is valued for its ability to impart specific color properties and excellent solubility in aqueous systems, making it a critical component for creating vibrant and stable dyes. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries who require consistent quality and reliable performance in their production processes.

Application

• Textile Dye Synthesis: A key intermediate for producing reactive and acid dyes for coloring natural and synthetic fibers like cotton, wool, and nylon.
• Inkjet Ink Formulation: Used in the manufacture of high-performance colorants for industrial and commercial printing inks, offering good water solubility and color strength.
• Paper Coloring: Employed in the production of dyes for specialty papers and packaging materials requiring specific hue and fastness properties.
• Leather Dyeing: Serves as a precursor for dyes used in the leather tanning and finishing industry.
• Biological Staining: Potential use as an intermediate for synthesizing stains used in histological and microbiological applications.
• Research & Development: Utilized in chemical research for developing new chromophores and studying azo dye chemistry and properties.

Basic Information

Product Name	4-Amino-3-[(2-Chlorophenyl)Azo]-5-Hydroxy-6-[[4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Sodium Salt
CAS No.	94157-81-0
Molecular Formula	C30H22ClN6O14S4Na3 (or similar, based on structure) Contact for details.
Molecular Weight	Contact for details.
Synonyms	Reactive Dye Intermediate; Azo Dye Intermediate; C.I. Reactive Orange; Sodium 4-amino-3-[(2-chlorophenyl)diazenyl]-5-hydroxy-6-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate; Trisodium 4-amino-3-[(2-chlorophenyl)azo]-5-hydroxy-6-[(4-{[2-(sulphooxy)ethyl]sulphonyl}phenyl)azo]naphthalene-2,7-disulphonate; 94157-81-0; (2-Chlorophenyl)azo dye intermediate
EINECS	Contact for details.

Quality Control

Our production of 4-Amino-3-[(2-Chlorophenyl)Azo]-5-Hydroxy-6-[[4-[[2-(Sulphooxy)Ethyl]Sulphonyl]Phenyl]Azo]Naphthalene-2,7-Disulphonic Acid, Sodium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for dye intermediate applications. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and solubility are available upon request 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). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content	Max. 5.0%
Solubility (in Water)	Freely soluble
Heavy Metals	Max. 20 ppm

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