Description

Propanoic Acid, 2-(Hydroxyimino)-, Ethyl Ester, (2E)- (9Ci) is a specialized organic compound belonging to the class of oxime esters. This chemical serves as a valuable synthetic intermediate and building block in advanced organic synthesis, prized for its unique reactivity profile. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing oxime or ester functional groups.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Building Block: Employed in the manufacture of dyes, pigments, flavors, and fragrances requiring specific oxime ester motifs.
• Polymer Chemistry: Acts as a functional monomer or cross-linking agent in the development of specialty polymers and resins.
• Chemical Research & Development: A versatile reagent for method development, catalysis studies, and exploring new reaction pathways in academic and industrial labs.
• Coordination Chemistry: Can function as a ligand for metal complexes in catalytic and material science applications.

Basic Information

Product Name	Propanoic Acid, 2-(Hydroxyimino)-, Ethyl Ester, (2E)- (9Ci)
CAS No.	250602-55-2
Molecular Formula	C5H9NO3
Molecular Weight	131.13 g/mol
Synonyms	(2E)-2-(Hydroxyimino)propanoic acid ethyl ester; Ethyl (2E)-2-(hydroxyimino)propanoate; Ethyl 2-(hydroxyimino)propionate; 2-(Hydroxyimino)propionic Acid Ethyl Ester; Ethyl α-(hydroxyimino)propionate; Ethyl 2-oximino-propionate; Propanoic acid, 2-(hydroxyimino)-, ethyl ester, (E)-; Ethyl (E)-2-(hydroxyimino)propanoate
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 2-(Hydroxyimino)-, Ethyl Ester, (2E)- (9Ci) is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates for regulated synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 8°C for extended stability. Keep away from heat, sparks, and open flame. The container must be kept tightly closed in a dry and well-ventilated place. Containers that have been opened must be carefully resealed and kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Specific Rotation	Contact for details

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