Description

(Z)-2-Pentenoic Acid Ethyl Ester is a high-purity, unsaturated ester compound valued for its role as a versatile chemical intermediate and flavor/fragrance component. Its defined stereochemistry and specific double bond configuration make it a critical building block for synthesizing more complex molecules in fine chemical and pharmaceutical research. This product is essential for R&D chemists and manufacturers in the flavors & fragrances, agrochemical, and pharmaceutical industries seeking a reliable and high-quality chiral synthon.

Application

• Flavor and Fragrance Ingredient: Used as a key intermediate or character impact compound for creating fruity, green, or waxy notes in perfumery and food flavorings.
• Pharmaceutical Intermediate: Serves as a chiral building block in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Employed in the production of pesticides, herbicides, and plant growth regulators due to its reactive olefinic ester functionality.
• Organic Synthesis & Research: Acts as a versatile reagent for Michael additions, cycloadditions, and other carbon-carbon bond-forming reactions in academic and industrial laboratories.
• Polymer Modification: Can be used as a monomer or co-monomer precursor for creating specialty polymers with specific properties.
• Liquid Crystal and Electronic Materials: Potential intermediate in the synthesis of advanced organic materials for electronic applications.

Basic Information

Product Name	(Z)-2-Pentenoic Acid Ethyl Ester
CAS No.	27805-84-1
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	Ethyl (Z)-2-Pentenoate; Ethyl (Z)-Pent-2-enoate; (Z)-2-Pentenoic Acid Ethyl Ester; (Z)-Ethyl 2-Pentenoate; trans-2-Pentenoic Acid Ethyl Ester (common historical name); Ethyl trans-2-Pentenoate; 2-Pentenoic acid, ethyl ester, (2Z)-; Ethyl β,γ-Pentenoate
EINECS	Contact for details

Quality Control

Our (Z)-2-Pentenoic Acid Ethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We can support compliance requirements for cGMP, ISO, and REACH as needed for your application.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, keep containers tightly sealed when not in use. Recommended storage temperature: 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0% (Z-isomer)
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.422 - 1.426
Specific Gravity (20/4°C)	0.910 - 0.920

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