Description

2-Butenoic Acid, 3-Methyl-4-Oxo-, Butyl Ester, (2E)- is a specialized organic ester with a defined molecular structure, identified by CAS No. 54145-95-8. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis, enabling the production of complex molecules. It is primarily sought by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Manufacturing: Serves as a versatile building block for creating complex esters, flavors, and fragrances.
• Polymer & Resin Modifier: Can be utilized to introduce specific functional groups into polymer chains, altering material properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways.
• Specialty Chemical Production: Employed in formulating performance chemicals, including corrosion inhibitors and specialty solvents.

Basic Information

Product Name	2-Butenoic Acid, 3-Methyl-4-Oxo-, Butyl Ester, (2E)-
CAS No.	54145-95-8
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	(2E)-3-Methyl-4-oxo-2-butenoic acid butyl ester; Butyl (2E)-3-methyl-4-oxobut-2-enoate; 3-Methyl-4-oxo-2-butenoic acid butyl ester; 2-Butenoic acid, 3-methyl-4-oxo-, butyl ester, (E)-; 4-Oxo-3-methyl-2-butenoic acid butyl ester; Butyl 3-methyl-4-oxo-2-butenoate; Butyl acetoacetate, 3-methyl- derivative
EINECS	Contact for details

Quality Control

Our production of 2-Butenoic Acid, 3-Methyl-4-Oxo-, Butyl Ester, (2E)- adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.