Description

7-Amino-4-[(phenylsulfonyl)oxy]-2-naphthalenesulfonic acid sodium salt is a specialized organic intermediate featuring a unique naphthalene core functionalized with amino, sulfonate, and phenylsulfonyloxy groups. This compound matters for its role as a key building block in the synthesis of advanced dyes, pigments, and functional materials, where its specific structure imparts valuable properties like color and solubility. Industrial manufacturers and R&D laboratories in the fine chemical, specialty dye, and advanced material sectors require this high-purity intermediate to develop novel products with precise performance characteristics.

Application

• Dye and Pigment Intermediate: A crucial precursor for synthesizing acid dyes, reactive dyes, and high-performance pigments, particularly for textiles and inks.
• Functional Material Synthesis: Used in the development of optical brighteners, fluorescent markers, and other specialty chemicals with light-emitting properties.
• Pharmaceutical Research: Serves as a building block in medicinal chemistry for creating novel compounds with potential biological activity.
• Analytical Chemistry: Can be employed as a reagent or standard in chromatographic analysis and other laboratory procedures.
• Polymer Modification: Utilized to introduce sulfonate and other functional groups into polymer chains to alter solubility or ionic characteristics.

Basic Information

Product Name	7-Amino-4-[(phenylsulfonyl)oxy]-2-naphthalenesulfonic acid sodium salt
CAS No.	70714-68-0
Molecular Formula	C₁₆H₁₂NNaO₆S₂
Molecular Weight	401.39 g/mol
Synonyms	7-Amino-4-(phenylsulfonyloxy)-2-naphthalenesulfonic acid sodium salt; Sodium 7-amino-4-(phenylsulfonyloxy)naphthalene-2-sulfonate; 2-Naphthalenesulfonic acid, 7-amino-4-[(phenylsulfonyl)oxy]-, sodium salt (1:1); 7-Amino-4-(benzenesulfonyloxy)-2-naphthalenesulfonic acid sodium salt; CAS 70714-68-0
EINECS	Contact for details

Quality Control

Our 7-Amino-4-[(phenylsulfonyl)oxy]-2-naphthalenesulfonic acid sodium salt is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) detailing results from HPLC, NMR, and other relevant tests are provided to guarantee consistent quality and traceability for your production and research needs.

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 hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Light yellow to beige powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 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.