Description

1,3-Naphthalenedisulfonic Acid, 5-Amino-6-[[(3-Aminophenyl)Sulfonyl]Amino]- is a specialized, high-purity organic intermediate featuring a complex, multi-functional aromatic structure. This compound matters for its role as a critical building block in the synthesis of advanced dyes, pigments, and functional materials, where its specific substitution pattern enables precise color and property tuning. It is primarily needed by manufacturers in the fine chemical, specialty dye, and advanced material sectors seeking reliable, high-quality intermediates for complex synthesis.

Application

• Key Intermediate for Dyes and Pigments: Serves as a crucial precursor in the synthesis of high-performance azo and reactive dyes, particularly for textiles requiring specific color fastness and hue.
• Functional Material Synthesis: Used in the development of optical brighteners, fluorescent markers, and other specialty chemicals where the naphthalene disulfonic acid core provides desirable photophysical properties.
• Pharmaceutical Intermediate: Potential use in the research and development of active pharmaceutical ingredients (APIs) that incorporate sulfonamide and aromatic amine functionalities.
• Agrochemical Synthesis: Employed in the production of certain herbicides and pesticides that utilize sulfonated aromatic compounds as core structures.
• Research & Development: A valuable compound for academic and industrial R&D in organic chemistry, polymer science, and material science for creating novel polymers or small molecules.

Basic Information

Product Name	1,3-Naphthalenedisulfonic Acid, 5-Amino-6-[[(3-Aminophenyl)Sulfonyl]Amino]-
CAS No.	454705-71-6
Molecular Formula	C₁₆H₁₅N₃O₆S₃
Molecular Weight	441.50 g/mol
Synonyms	5-Amino-6-[(3-aminophenyl)sulfonyl]amino]-1,3-naphthalenedisulfonic Acid; 6-[(3-Aminobenzenesulfonyl)amino]-5-amino-1,3-naphthalenedisulfonic Acid; 1,3-Naphthalenedisulfonic acid, 5-amino-6-[[(3-aminophenyl)sulfonyl]amino]-; Benzenesulfonamide, N-(5-amino-1,3-naphthalenedisulfonyl)-3-amino-; 454705-71-6; Amino-functionalized naphthalene disulfonic acid derivative.
EINECS	Contact for details

Quality Control

Our production of 1,3-Naphthalenedisulfonic Acid, 5-Amino-6-[[(3-Aminophenyl)Sulfonyl]Amino]- adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) detailing all critical parameters are provided and available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture.

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%
Heavy Metals	≤ 20 ppm

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