Description

3-Pentenoic Acid is a versatile, unsaturated carboxylic acid that serves as a valuable building block in organic synthesis. Its terminal alkene and carboxylic acid functionalities make it a key intermediate for creating complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients, polymers, or fine chemicals.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging its reactive sites for coupling and cyclization reactions.
• Agrochemical Synthesis: Acts as a precursor for herbicides, fungicides, and plant growth regulators, where its structure can be modified to enhance biological activity.
• Polymer & Resin Modifier: Incorporated as a co-monomer to introduce unsaturation and carboxylic acid groups into polymers, improving cross-linking, adhesion, and solubility properties.
• Flavor & Fragrance Ingredient: Serves as a starting material for the production of esters and lactones that contribute to specific flavor and aroma profiles.
• Organic Synthesis Reagent: Employed in Michael additions, Diels-Alder reactions, and hydrogenation studies as a model substrate or to introduce a pentenoic acid moiety.
• Lubricant & Fuel Additive Precursor: Used to synthesize derivatives that can act as corrosion inhibitors, detergents, or viscosity modifiers in industrial fluids.

Basic Information

Product Name	3-Pentenoic Acid
CAS No.	5204-64-8
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	3-Pentenoic Acid; (E)-3-Pentenoic Acid; (Z)-3-Pentenoic Acid; 3-Pentenoic acid, (E)-; 3-Pentenoic acid, (Z)-; δ-3-Pentenoic Acid; 3-Penten-1-oic Acid; Vinylacetic Acid, Methyl-; 5204-64-8 (CAS)
EINECS	226-004-8

Quality Control

Our 3-Pentenoic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets high-purity standards suitable for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Due to its properties as a strong acid/organic solvent and being easily oxidized, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Recommended storage temperature: 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Isomeric Purity (GC)	Reported on COA
Water Content (KF)	≤ 0.5%

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