Description

A-Diazo-Benzeneacetic Acid Methyl Ester is a versatile diazo compound used as a key building block in organic synthesis. Its primary value lies in its ability to act as a carbene precursor, facilitating a range of cyclopropanation and C-H insertion reactions under mild conditions. This makes it an essential reagent for research chemists and process developers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to construct complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for constructing strained ring systems.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides requiring specific three-dimensional structures.
• Material Science Research: Employed in the creation of specialized polymers and functional materials via carbene-based polymerization or surface modification.
• Organic Methodology Development: A standard reagent in academic and industrial labs for developing new catalytic cycles and reaction methodologies involving metal carbenoids.
• Fine Chemical Production: Serves as a building block for synthesizing complex fragrance and flavor compounds.

Basic Information

Product Name	A-Diazo-Benzeneacetic Acid Methyl Ester
CAS No.	22979-35-7
Molecular Formula	C9H8N2O2
Molecular Weight	176.17 g/mol
Synonyms	Methyl 2-Diazo-2-phenylacetate; Methyl Diazo(phenyl)acetate; Methyl α-Diazo-α-phenylacetate; Methyl Phenyl(diazo)acetate; Diazophenylacetic Acid Methyl Ester; 2-Diazo-2-phenylacetic Acid Methyl Ester; α-Diazo-α-phenylacetic Acid Methyl Ester; Phenyl(diazo)acetic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our A-Diazo-Benzeneacetic Acid Methyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at temperatures between 2°C and 8°C (refrigerated) or as specified on the label. This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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