Description

4-Amino-3 6-Disulfo-1 8-Naphthalic is a high-purity, functionalized naphthalic acid derivative characterized by its amino and sulfonic acid groups. This unique molecular structure makes it a valuable intermediate for synthesizing dyes, pigments, and fluorescent markers. It is essential for manufacturers and R&D laboratories in the fine chemical, specialty dye, and analytical reagent industries seeking to develop advanced colorants and functional materials.

Application

• Dye & Pigment Intermediate: A key precursor for the synthesis of acid dyes, reactive dyes, and high-performance pigments.
• Fluorescent Probe Synthesis: Used in the development of fluorescent markers and sensors for biological and chemical detection.
• Analytical Reagent: Serves as a chelating agent or a standard in chromatographic analysis and other laboratory applications.
• Fine Chemical Synthesis: An important building block for creating complex organic molecules in pharmaceutical and agrochemical research.
• Textile Chemicals: Employed in the production of specialty chemicals for textile processing and finishing.
• Research & Development: Utilized in academic and industrial R&D for exploring new materials and chemical processes.

Basic Information

Product Name	4-Amino-3 6-Disulfo-1 8-Naphthalic
CAS No.	79539-35-8
Molecular Formula	C₁₄H₉NO₈S₂
Molecular Weight	383.35 g/mol
Synonyms	1,8-Naphthalic Acid, 4-Amino-3,6-disulfo-; 4-Amino-3,6-disulfonaphthalene-1,8-dicarboxylic Acid; 4-Amino-3,6-disulfo-1,8-naphthalenedicarboxylic Acid; 3,6-Disulfo-4-amino-1,8-naphthalic Acid; 4-Amino-3,6-disulfonaphthalic Acid; 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 6-amino-4,7-disulfo-; 6-Amino-4,7-disulfo-1H,3H-naphtho[1,8-cd]pyran-1,3-dione
EINECS	Contact for details

Quality Control

Our 4-Amino-3 6-Disulfo-1 8-Naphthalic is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications. A Certificate of Analysis (COA) detailing all test results is provided to guarantee traceability and compliance with your project requirements.

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 nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 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.