Description

Benzenediazonium, 4-(4-Oxo-4H-1-Benzopyran-2-Yl)- (9Ci) is a specialized diazonium salt derivative incorporating a chromone (benzopyran-4-one) moiety. This unique structure makes it a valuable photoactive and reactive synthetic intermediate for constructing complex heterocyclic systems. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel active compounds and functional dyes.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel chromone and flavone-based drug candidates with potential biological activity.
• Agrochemical Research: Used in developing new pesticides and herbicides by introducing the diazonium functional group into complex molecular scaffolds.
• Advanced Material Synthesis: Serves as a precursor for photo-crosslinkable polymers or for surface functionalization via diazonium chemistry.
• Dye and Pigment Manufacturing: Acts as a reactive intermediate in the production of azo dyes and pigments that incorporate the chromone structure for color and stability.
• Chemical Biology Probes: Utilized in research to create photoaffinity labeling agents or other probes targeting biological systems.
• Academic & Industrial R&D: Fundamental reagent for methodological studies in organic synthesis, particularly in reactions involving diazonium salts.

Basic Information

Product Name	Benzenediazonium, 4-(4-Oxo-4H-1-Benzopyran-2-Yl)- (9Ci)
CAS No.	751450-51-8
Molecular Formula	C15H9N2O2+
Molecular Weight	249.25 g/mol
Synonyms	4-(4-Oxo-4H-chromen-2-yl)benzenediazonium; 2-(4-Diazoniophenyl)-4H-chromen-4-one; 4-(2-Oxo-2H-chromen-4-yl)benzenediazonium; 4-(4-Oxo-4H-1-benzopyran-2-yl)benzenediazonium; Chromone-2-ylbenzenediazonium salt; 4-(4-Oxochromen-2-yl)benzenediazonium
EINECS	Contact for details

Quality Control

Every batch of Benzenediazonium, 4-(4-Oxo-4H-1-Benzopyran-2-Yl)- (9Ci) is produced and tested under strict quality management protocols to ensure high purity and batch-to-batch consistency for research and development applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive and reactive diazonium nature, minimize exposure to air, moisture, and heat. Keep away from incompatible materials such as strong reducing agents and bases.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
Water Content (KF)	≤ 2.0 %
Solubility	Soluble in polar aprotic solvents (e.g., DMF, DMSO)

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