Description

6-Nitro-1H,3H-Naphtho[1,8-Cd]Pyran-1,3-Dione is a specialized nitro-substituted naphthopyrandione derivative, serving as a key intermediate in advanced organic synthesis. Its value lies in its unique fused-ring structure and nitro functionality, which make it a versatile precursor for developing complex molecules. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries, as well as by manufacturers of high-performance dyes and pigments.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with fused-ring systems.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Serves as a precursor for the production of specialized, high-stability organic dyes and pigments, especially naphthalimide-based colorants.
• Organic Electronic Materials: Investigated as a potential component or dopant in the development of organic semiconductors and light-emitting materials.
• Chemical Research: Employed in academic and industrial R&D for studying nitroaromatic chemistry, heterocyclic compound reactions, and as a model substrate.
• Photoreactive Compound Synthesis: Used in the preparation of molecules designed for photochemical applications or as photoinitiators.

Basic Information

Product Name	6-Nitro-1H,3H-Naphtho[1,8-Cd]Pyran-1,3-Dione
CAS No.	6642-29-1
Molecular Formula	C₁₃H₅NO₅
Molecular Weight	255.18 g/mol
Synonyms	6-Nitronaphtho[1,8-cd]pyran-1,3-dione; 6-Nitronaphtho[1,8-cd]pyrene-1,3-dione; 6-Nitro-1H,3H-benzo[de]isochromene-1,3-dione; 6-Nitronaphthostyril; 1,3-Dioxo-6-nitro-1H,3H-naphtho[1,8-cd]pyran; 6-Nitronaphthalic anhydride (common name); Naphtho[1,8-cd]pyran-1,3-dione, 6-nitro-
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is analyzed to confirm identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay (HPLC), related substances, and residual solvents. Our quality system is designed to support cGMP and ISO guidelines for reliable sourcing in critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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