Description

Diphenyldiazomethane is a highly reactive diazo compound primarily used as a versatile carbene precursor and methylene transfer agent in organic synthesis. Its unique reactivity makes it a critical reagent for the synthesis of complex molecules, enabling the formation of new carbon-carbon bonds under mild conditions. This compound is essential for research and development in the pharmaceutical and advanced materials sectors, where precise chemical transformations are required.

Application

• Carbene Generation: Serves as a key precursor for diphenylcarbene, used in cyclopropanation and C-H insertion reactions.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Polymer Modification: Used to functionalize polymers and resins via carbene insertion into polymer backbones.
• Cross-Coupling Reagent: Facilitates methylene bridge formation in the construction of novel organic frameworks and ligands.
• Material Science Research: Applied in the development of new organic electronic materials and surface coatings.
• Academic & Process Chemistry: A valuable tool for methodological development and scaling novel synthetic routes in R&D laboratories.

Basic Information

Product Name	Diphenyldiazomethane
CAS No.	883-40-9
Molecular Formula	C13H10N2
Molecular Weight	194.23 g/mol
Synonyms	Diphenyldiazomethane; Diazodiphenylmethane; Diphenyldiazene; 1,1-Diphenyldiazomethane; NSC 406913; Diphenylmethylene, diazo-; Diazomethylenedibenzene
EINECS	212-933-5

Quality Control

Our Diphenyldiazomethane is manufactured under strict quality protocols to ensure high purity and batch-to-batch consistency. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to verify identity and purity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with our stringent specifications. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from all light exposure. Store under an inert atmosphere (argon or nitrogen) at 2-8°C to minimize decomposition and oxidation. The container should be kept in a cool, dry, and well-ventilated area, away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solution
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Solubility	Soluble in common organic solvents (e.g., THF, DCM)

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