Description

6-Amino-1,3-Dioxo-1H,3H-Naphtho[1,8-Cd]Pyransulphonic Acid is a specialized naphthopyran-based sulphonic acid derivative, serving as a critical high-performance intermediate in advanced chemical synthesis. Its unique fused-ring structure with amino and sulphonic acid functionalities makes it a valuable precursor for creating compounds with specific optical, electronic, and binding properties. This product is essential for research and industrial applications in the dye, pharmaceutical, and material science sectors, where precise molecular architecture is required.

Application

• Dye and Pigment Intermediate: A key building block for synthesizing high-value, complex azo dyes and functional pigments, particularly those requiring enhanced solubility, lightfastness, or specific color characteristics.
• Pharmaceutical Research: Used as a sophisticated synthon in medicinal chemistry for the development of novel drug candidates, especially those targeting protein interactions or requiring specific charge properties.
• Functional Material Synthesis: Employed in creating advanced organic materials, such as organic semiconductors, sensors, or non-linear optical (NLO) materials, due to its electron-donating and accepting groups.
• Chemical Research & Development: Serves as a versatile intermediate for academic and industrial R&D in organic synthesis, exploring new reactions and molecular frameworks.
• Ligand and Chelating Agent Precursor: The amino and sulphonate groups make it a potential starting point for designing ligands used in catalysis or metal ion sequestration.

Basic Information

Product Name	6-Amino-1,3-Dioxo-1H,3H-Naphtho[1,8-Cd]Pyransulphonic Acid
CAS No.	85508-04-9
Molecular Formula	C₁₃H₉NO₆S
Molecular Weight	307.28 g/mol
Synonyms	6-Aminonaphtho[1,8-cd]pyran-1,3-dione-5-sulphonic acid; 1H,3H-Naphtho[1,8-cd]pyran-6-amino-1,3-dione-5-sulphonic acid; 6-Amino-1,3-dioxo-1H,3H-benzo[de]isochromene-5-sulphonic acid; Naphtho[1,8-cd]pyran-6-amine-1,3-dione-5-sulphonic acid; 5-Sulfo-6-amino-1H,3H-naphtho[1,8-cd]pyran-1,3-dione
EINECS	Contact for details

Quality Control

Our 6-Amino-1,3-Dioxo-1H,3H-Naphtho[1,8-Cd]Pyransulphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for research and industrial use. Certificates of Analysis (COA) documenting batch-specific results are available upon request to support your quality assurance protocols.

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). This compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Yellow to brownish powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (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.