Description

4-Amino-5-[(Phenylsulphonyl)Oxy]Naphthalene-1,7-Disulphonic Acid, Sodium Salt is a specialized organic intermediate featuring a naphthalene core with amino, sulphonic acid, and phenylsulfonyloxy functional groups. This compound matters for its role as a key building block in the synthesis of complex dyes, pigments, and functional colorants. It is primarily needed by manufacturers in the fine chemical, dye, and specialty chemical industries seeking to develop products with specific chromophoric and solubility properties.

Application

• Dye and Pigment Intermediate: A crucial precursor for synthesizing acid dyes, direct dyes, and reactive dyes used in textile coloring.
• Functional Colorant Synthesis: Used in the production of specialized colorants for inks, coatings, and plastics that require specific lightfastness and solubility.
• Chemical Research & Development: Serves as a valuable building block in organic synthesis for creating novel sulfonated aromatic compounds.
• Photographic Chemical: Potential application in the synthesis of chemicals used in photographic and imaging technologies.
• Analytical Reagent: May be utilized as a standard or reagent in analytical chemistry methodologies.

Basic Information

Product Name	4-Amino-5-[(Phenylsulphonyl)Oxy]Naphthalene-1,7-Disulphonic Acid, Sodium Salt
CAS No.	94232-33-4
Molecular Formula	C₁₆H₁₂NNa₃O₁₀S₃
Molecular Weight	599.48 g/mol
Synonyms	4-Amino-5-(phenylsulfonyloxy)naphthalene-1,7-disulfonic acid trisodium salt; 1,7-Naphthalenedisulfonic acid, 4-amino-5-[(phenylsulfonyl)oxy]-, trisodium salt; 5-Amino-4-(phenylsulfonyloxy)naphthalene-1,7-disulfonic acid sodium salt; 4-Amino-5-(benzenesulfonyloxy)naphthalene-1,7-disulfonic acid trisodium salt; Sodium 4-amino-5-(phenylsulfonyloxy)naphthalene-1,7-disulfonate; Trisodium 4-amino-5-(phenylsulfonyloxy)naphthalene-1,7-disulfonate
EINECS	Contact for details

Quality Control

Our 4-Amino-5-[(Phenylsulphonyl)Oxy]Naphthalene-1,7-Disulphonic Acid, Sodium Salt is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications and test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Light yellow to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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