Description

Propanoic Acid, 2-(Hydroxyimino)-, Butyl Ester (9Ci) is a specialized organic ester derivative of propanoic acid, featuring a reactive hydroxyimino functional group. This compound serves as a versatile chemical intermediate and building block in advanced organic synthesis, valued for its unique reactivity profile. It is primarily utilized by pharmaceutical and agrochemical research and development sectors, as well as in the production of specialty chemicals and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring oxime or ester functionalities.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, pesticides, and plant growth regulators.
• Chemical Research & Development: Serves as a precursor for creating complex molecules, ligands, and functionalized materials in academic and industrial R&D labs.
• Specialty Polymer Additives: Potential use in the formulation of polymers requiring specific light-stabilizing or chelating properties.
• Crosslinking Agent Precursor: Can be utilized in the development of coatings, adhesives, and resins where reactive oxime esters are beneficial.
• Analytical Chemistry: May be employed as a derivatization agent or a standard in chromatographic analysis and method development.

Basic Information

Product Name	Propanoic Acid, 2-(Hydroxyimino)-, Butyl Ester (9Ci)
CAS No.	131401-47-3
Molecular Formula	C7H13NO3
Molecular Weight	159.18 g/mol
Synonyms	Butyl 2-(Hydroxyimino)propanoate; 2-(Hydroxyimino)propanoic Acid Butyl Ester; Butyl 2-(Hydroxyimino)propionate; Butyl α-(Hydroxyimino)propionate; Propanoic acid, 2-(hydroxyimino)-, butyl ester; Butyl (E)-2-(hydroxyimino)propanoate; Butyl (Z)-2-(hydroxyimino)propanoate; NSC 405124
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 2-(Hydroxyimino)-, Butyl Ester is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids, bases, and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The container should be kept tightly sealed when not in use to minimize moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.