Description

Pentanedioic Acid, 2-Diazo-3-Oxo-, 1,5-Diethyl Ester is a specialized diazo compound with a unique reactive carbonyl diazo functionality. This chemical matters as a versatile building block and photoactive intermediate, enabling precise synthetic transformations in advanced material and pharmaceutical research. It is primarily needed by R&D chemists and process engineers in the fine chemical, pharmaceutical, and photoresist industries for applications requiring controlled carbene generation or light-induced crosslinking.

Application

• Photoresist and Photoacid Generator (PAG) Formulation: Acts as a key photoactive component in advanced lithography for semiconductor and microelectronics manufacturing.
• Carbene Chemistry Intermediate: Serves as a precursor for metal carbene complexes or as a direct source of carbenes for cyclopropanation and C-H insertion reactions in organic synthesis.
• Polymer Modification and Crosslinking Agent: Utilized in the development of specialty polymers where light or heat triggers cross-linking to modify material properties.
• Pharmaceutical Intermediate: Employed in the research and synthesis of complex active pharmaceutical ingredients (APIs) that require diazo transfer or carbene-mediated steps.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging its reactive diazo group for constructing heterocyclic cores.
• Material Science Research: Applied in surface functionalization and the creation of novel organic-inorganic hybrid materials.

Basic Information

Product Name	Pentanedioic Acid, 2-Diazo-3-Oxo-, 1,5-Diethyl Ester
CAS No.	649729-45-3
Molecular Formula	C9H12N2O5
Molecular Weight	228.20 g/mol
Synonyms	Diethyl 2-diazo-3-oxoglutarate; 2-Diazo-3-oxopentanedioic acid diethyl ester; 3-Oxo-2-diazopentanedioic acid diethyl ester; Diethyl 2-diazo-3-oxopentanedioate; Ethyl 2-diazo-3-oxoglutarate; Glutaric acid, 2-diazo-3-oxo-, diethyl ester; Diazooxoglutaric acid diethyl ester
EINECS	Contact for details

Quality Control

Our Pentanedioic Acid, 2-Diazo-3-Oxo-, 1,5-Diethyl Ester undergoes rigorous quality testing to ensure batch-to-batch consistency and compliance with stringent industry standards. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality management system is designed to meet the exacting requirements of research and development as well as scale-up processes.

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 easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.