Description

Sodium Hydrogen 4-Amino-5-[(Phenylsulphonyl)Oxy]Naphthalene-2,7-Disulphonate is a high-purity, functionalized naphthalene derivative with significant industrial utility. This compound is valued for its role as a versatile chemical intermediate, particularly in the synthesis of dyes, pigments, and specialty chemicals. It is essential for manufacturers and R&D facilities in the colorant, pharmaceutical, and advanced materials sectors seeking reliable, high-quality building blocks for complex syntheses.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of reactive dyes, acid dyes, and high-performance pigments, particularly for textiles, inks, and coatings.
• Pharmaceutical Synthesis: Used as a specialized building block in the research and development of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research & Development: Serves as a critical intermediate in organic synthesis for creating novel compounds with specific sulfonate and amino functionalities.
• Specialty Chemical Manufacturing: Employed in the production of surfactants, dispersants, and other functional additives where sulfonated aromatic structures are required.
• Analytical Chemistry: Can be utilized as a standard or reagent in chromatographic analysis and other laboratory procedures.

Basic Information

Product Name	Sodium Hydrogen 4-Amino-5-[(Phenylsulphonyl)Oxy]Naphthalene-2,7-Disulphonate
CAS No.	83763-41-1
Molecular Formula	C₁₆H₁₁NNa₂O₁₀S₃
Molecular Weight	559.48 g/mol
Synonyms	4-Amino-5-[(phenylsulfonyl)oxy]-2,7-naphthalenedisulfonic acid, disodium salt; 5-[(Phenylsulfonyl)oxy]-1-amino-4,8-naphthalenedisulfonic acid disodium salt; Sodium 4-amino-5-(phenylsulfonyloxy)naphthalene-2,7-disulfonate; 1-Amino-5-(phenylsulfonyloxy)-4,8-naphthalenedisulfonic acid disodium salt; 4-Amino-5-(phenylsulfonyloxy)naphthalene-2,7-disulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Our Sodium Hydrogen 4-Amino-5-[(Phenylsulphonyl)Oxy]Naphthalene-2,7-Disulphonate is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for use in sensitive applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to brownish powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility (1% in Water)	Clear to slightly hazy solution

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