Description

3-Cyclopropyl-2-Propenoic Acid Ethyl Ester is a versatile organic ester building block characterized by its cyclopropyl and α,β-unsaturated ester functionalities. This compound is valued for its role as a key synthetic intermediate in the production of complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and crop protection industries for constructing novel molecular scaffolds.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing active pharmaceutical ingredients (APIs) with cyclopropane motifs, which are common in various therapeutic agents.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its reactive double bond for further functionalization.
• Organic Synthesis & Research: Serves as a versatile Michael acceptor or dienophile in cycloaddition reactions for constructing complex, strained ring systems in academic and industrial laboratories.
• Flavor & Fragrance Chemistry: Potential intermediate for the synthesis of specialty aroma chemicals, where the ester and cyclopropyl groups can contribute unique sensory properties.
• Material Science Precursor: Can be utilized in the development of specialty monomers for advanced polymers with specific thermal or mechanical properties.

Basic Information

Product Name	3-Cyclopropyl-2-Propenoic Acid Ethyl Ester
CAS No.	5808-99-1
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	Ethyl 3-Cyclopropylacrylate; Ethyl 3-Cyclopropyl-2-propenoate; 3-Cyclopropylacrylic Acid Ethyl Ester; 2-Propenoic Acid, 3-Cyclopropyl-, Ethyl Ester; NSC 166965; Ethyl (3-Cyclopropyl)propenoate; Cyclopropanecarboxylic Acid, 2-Ethoxycarbonylvinyl Ester; (Cyclopropyl)acrylic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our 3-Cyclopropyl-2-Propenoic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and concentration changes. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.460 - 1.470
Density (g/mL, 20°C)	0.980 - 1.020

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