Description

4-[(3-Aminobenzoyl)Amino]-5-Hydroxynaphthalene-2,7-Disulphonic Acid is a specialized naphthalene-based intermediate featuring both amino and sulphonic acid functional groups, making it a versatile building block for complex synthesis. This compound is valued for its ability to impart specific chromophoric and solubility properties in advanced materials. It is primarily utilized by manufacturers in the dye and pigment, pharmaceutical, and specialty chemical industries for research and production purposes.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of acid dyes, reactive dyes, and high-performance pigments, particularly for textiles and inks.
• Pharmaceutical Synthesis: Serves as a crucial building block for creating active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research & Development: Used in R&D laboratories for developing novel compounds with specific optical or binding properties.
• Specialty Chemical Manufacturing: Employed in the production of complex organic molecules for agrochemicals, corrosion inhibitors, and functional materials.
• Analytical Reagent: Can be utilized as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Product Name	4-[(3-Aminobenzoyl)Amino]-5-Hydroxynaphthalene-2,7-Disulphonic Acid
CAS No.	68189-31-1
Molecular Formula	C₁₇H₁₄N₂O₈S₂
Molecular Weight	438.43 g/mol
Synonyms	5-Hydroxy-4-[(3-aminobenzoyl)amino]naphthalene-2,7-disulfonic acid; 4-[(3-Aminobenzamido)]-5-hydroxy-2,7-naphthalenedisulfonic acid; 2,7-Naphthalenedisulfonic acid, 4-[(3-aminobenzoyl)amino]-5-hydroxy-; 68189-31-1; Benzoic acid, 3-amino-, 4-amino-5-hydroxy-2,7-naphthalenedisulfonate; 4-(3-Aminobenzoylamino)-5-hydroxynaphthalene-2,7-disulphonic acid
EINECS	Contact for details

Quality Control

Our 4-[(3-Aminobenzoyl)Amino]-5-Hydroxynaphthalene-2,7-Disulphonic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Light yellow to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulphated Ash	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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