Description

3-Amino-4-[(Phenylsulphonyl)Oxy]Naphthalene-2,7-Disulphonic Acid is a specialized naphthalene-based intermediate featuring a unique sulfonic acid and phenylsulfonyloxy functional group architecture. This compound is valued for its role as a key precursor in the synthesis of high-performance dyes and pigments, where its structure imparts critical properties like color fastness and solubility. It is primarily sought by manufacturers in the dye and pigment, specialty chemical, and advanced material research sectors for developing innovative colorants and functional molecules.

Application

• Key Intermediate for Dyes & Pigments: Serves as a crucial building block in the synthesis of acid dyes, reactive dyes, and other high-value colorants, particularly for textiles and leather.
• Specialty Chemical Synthesis: Used in organic synthesis to create complex sulfonated compounds for various industrial applications.
• Research & Development: Employed in academic and industrial R&D labs for developing new functional materials and studying sulfonation chemistry.
• Potential Pharmaceutical Intermediate: May find use in the research phase for synthesizing sulfonated drug candidates or diagnostic agents.

Basic Information

Product Name	3-Amino-4-[(Phenylsulphonyl)Oxy]Naphthalene-2,7-Disulphonic Acid
CAS No.	71411-88-6
Molecular Formula	C₁₆H₁₃NO₉S₃
Molecular Weight	483.47 g/mol
Synonyms	3-Amino-4-(phenylsulfonyloxy)naphthalene-2,7-disulfonic acid; 2,7-Naphthalenedisulfonic acid, 3-amino-4-[(phenylsulfonyl)oxy]-; 3-Amino-4-(benzenesulfonyloxy)naphthalene-2,7-disulfonic acid; 4-[(Phenylsulfonyl)oxy]-3-aminonaphthalene-2,7-disulfonic acid; Naphthalene-2,7-disulfonic acid, 3-amino-4-[(phenylsulfonyl)oxy]-; CAS 71411-88-6
EINECS	Contact for details

Quality Control

Our production of 3-Amino-4-[(Phenylsulphonyl)Oxy]Naphthalene-2,7-Disulphonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and reliability. Certificates of Analysis (COA) detailing all specification parameters are provided and available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry place with controlled humidity. Recommended storage temperature is 15-25°C. Keep away from strong acids and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solubility	Soluble in alkaline aqueous solutions

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