Description

Tetrasodium Hydrogen 4-Amino-3-[(2,5-Disulphonatophenyl)Azo]-5-Hydroxy-6-[(m-Phosphonatophenyl)Azo]Naphthalene-2,7-Disulphonate is a high-purity, water-soluble azo dye intermediate characterized by its multiple sulphonate and phosphonate functional groups. This compound is essential for synthesizing specialized dyes and pigments with enhanced solubility, stability, and metal-complexing properties. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

• Textile Dyeing: A key intermediate for the synthesis of reactive and direct dyes for cotton, wool, and nylon, offering excellent wash and light fastness.
• Inkjet Inks: Used in the production of high-quality colorants for industrial and photographic inks, providing vibrant color and stability.
• Specialty Pigments: Serves as a precursor for manufacturing complex, high-value pigments used in coatings and plastics.
• Analytical Reagents: Can be utilized as a metallochromic indicator or a complexing agent in analytical chemistry applications.
• Biological Staining: Potential use in the development of histological stains due to its chromophoric and chelating nature.
• Research & Development: Employed in chemical research for studying azo coupling reactions and developing new functional materials.

Basic Information

Product Name	Tetrasodium Hydrogen 4-Amino-3-[(2,5-Disulphonatophenyl)Azo]-5-Hydroxy-6-[(m-Phosphonatophenyl)Azo]Naphthalene-2,7-Disulphonate
CAS No.	68110-25-8
Molecular Formula	C28H16N6Na4O19P1S4
Molecular Weight	Contact for details
Synonyms	Acid Blue 193 (C.I. 15707); Tetrasodium 4-Amino-3-[(2,5-disulfophenyl)azo]-5-hydroxy-6-[(3-phosphonophenyl)azo]naphthalene-2,7-disulfonate; C.I. Acid Blue 193; 4-Amino-3-[(2,5-disulfophenyl)azo]-5-hydroxy-6-[(3-phosphonophenyl)azo]-2,7-naphthalenedisulfonic acid tetrasodium salt; Acid Blue 193, tetrasodium salt; Reactive Blue 193 (related class); Azo dye intermediate 68110-25-8
EINECS	Contact for details

Quality Control

Our Tetrasodium Hydrogen 4-Amino-3-[(2,5-Disulphonatophenyl)Azo]-5-Hydroxy-6-[(m-Phosphonatophenyl)Azo]Naphthalene-2,7-Disulphonate is manufactured under a strict quality management system. Each 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 all critical quality attributes are available upon request.

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). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

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

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