Description

Methyl 3-(Acetoxy)-2-Butenoate is a versatile chemical intermediate characterized by its reactive α,β-unsaturated ester functionality. This compound is valued for its role as a key building block in the synthesis of more complex molecules, offering a handle for further chemical modifications. It is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for research, development, and production processes.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Specialty Polymer & Resin Production: Acts as a monomer or cross-linking agent in the formulation of specialty polymers with tailored properties.
• Flavor & Fragrance Industry: Employed in the synthesis of complex esters and aroma chemicals.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D labs for constructing heterocycles and other complex organic frameworks.
• Dye & Pigment Manufacturing: Utilized as an intermediate in the synthesis of certain dyes and organic pigments.

Basic Information

Product Name	Methyl 3-(Acetoxy)-2-Butenoate
CAS No.	3666-79-3
Molecular Formula	C7H10O4
Molecular Weight	158.15 g/mol
Synonyms	Methyl 3-acetoxybut-2-enoate; Methyl 3-acetoxycrotonate; 3-(Acetoxy)-2-butenoic acid methyl ester; 3-Acetoxycrotonic acid methyl ester; Methyl β-acetoxycrotonate; 2-Butenoic acid, 3-(acetyloxy)-, methyl ester; Acetic acid 2-(methoxycarbonyl)-1-propen-1-yl ester
EINECS	222-915-6

Quality Control

Our Methyl 3-(Acetoxy)-2-Butenoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise specifications for industrial and research applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents, bases, and reducing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (20°C)	1.430 - 1.440

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