Description

6-(Benzoylamino)-1-Hydroxy-2,7-Naphthalenedisulfonic Acid is a specialized naphthalene-based intermediate featuring a benzoylamino group and two sulfonic acid functionalities. This compound is valued for its strong acidic character and solubility in organic systems, making it a versatile building block for synthesizing complex dyes, pigments, and functional materials. It is primarily utilized by research institutions and industrial manufacturers in the fine chemical, dye, and pharmaceutical intermediate sectors.

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 building block for creating sulfonated active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research: Used in academic and industrial R&D for developing new sulfonated polymers and specialty chemicals.
• Catalyst and Ligand Preparation: The sulfonic acid groups can be utilized to create acidic catalysts or functional ligands for metal complexes.
• Analytical Reagent: Potential use as a chromogenic agent or complexing agent in analytical chemistry methodologies.
• Photographic Chemicals: Can be employed in the formulation of certain photographic developers and sensitizers.

Basic Information

Product Name	6-(Benzoylamino)-1-Hydroxy-2,7-Naphthalenedisulfonic Acid
CAS No.	72269-50-2
Molecular Formula	C₁₇H₁₃NO₈S₂
Molecular Weight	423.42 g/mol
Synonyms	6-Benzamido-1-hydroxy-2,7-naphthalenedisulfonic acid; 1-Hydroxy-6-(benzoylamino)-2,7-naphthalenedisulfonic acid; 2,7-Naphthalenedisulfonic acid, 6-(benzoylamino)-1-hydroxy-; 6-Benzoylamino-1-hydroxy-2,7-naphthalenedisulphonic acid; N-(1-Hydroxy-2,7-disulfo-6-naphthyl)benzamide; Benzamide, N-(1-hydroxy-2,7-disulfo-6-naphthyl)-
EINECS	Contact for details

Quality Control

Our 6-(Benzoylamino)-1-Hydroxy-2,7-Naphthalenedisulfonic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

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 strong acid/organic solvent nature, keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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