Description

4-Nitro-6H-Dibenzo(B,D)Pyran-6-One is a specialized nitro-substituted heterocyclic compound that serves as a valuable synthetic intermediate and research chemical. Its unique fused-ring structure with a nitro functional group makes it a critical building block for the development of advanced materials and active pharmaceutical ingredients (APIs). This high-purity compound is essential for researchers and manufacturers in pharmaceutical R&D, agrochemical synthesis, and organic electronics who require reliable, high-quality intermediates for complex molecular construction.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used in developing new active ingredients for crop protection agents, leveraging its heterocyclic core for bioactivity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a potential electron-transport or host material in the fabrication of OLED devices due to its fused aromatic structure.
• Dye and Pigment Synthesis: Intermediate for creating specialized nitro-aromatic dyes and high-performance pigments.
• Academic & Industrial Research: A versatile scaffold in organic chemistry for studying heterocyclic reactions, nitration effects, and structure-activity relationships (SAR).
• Material Science: Investigated for use in the development of organic semiconductors and nonlinear optical (NLO) materials.

Basic Information

Product Name	4-Nitro-6H-Dibenzo(B,D)Pyran-6-One
CAS No.	51640-90-5
Molecular Formula	C₁₃H₇NO₄
Molecular Weight	241.20 g/mol
Synonyms	4-Nitrodibenzo[b,d]pyran-6-one; 6H-Dibenzo[b,d]pyran-6-one, 4-nitro-; 4-Nitro-6H-dibenzo[b,d]pyran-6-one; 4-Nitroxanthone; 9H-Xanthen-9-one, 4-nitro-; 4-Nitro-9-xanthenone; 4-Nitro-9H-xanthen-9-one
EINECS	Contact for details

Quality Control

Every batch of 4-Nitro-6H-Dibenzo(B,D)Pyran-6-One is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 sources and incompatible materials. The compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.