Description

2-Allyl-4-Pentenoic Acid is a versatile, unsaturated carboxylic acid derivative characterized by its reactive allylic and pentenoic functional groups. This compound matters as a valuable chemical intermediate and building block for synthesizing more complex molecules in advanced research and industrial processes. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for applications requiring custom functionalization.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the production of specialized herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modification: Acts as a reactive monomer or cross-linking agent to introduce unsaturated sites into polymers, enhancing properties like adhesion and curing.
• Fine Chemical Production: Employed as a building block for fragrances, flavors, and other high-value specialty chemicals.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for Diels-Alder reactions and other cycloaddition or functionalization processes.
• Lubricant & Fuel Additive Component: Used in the formulation of performance additives due to its potential to modify viscosity and stability.

Basic Information

Product Name	2-Allyl-4-Pentenoic Acid
CAS No.	99-67-2
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	4-Pentenoic acid, 2-allyl-; 2-Allyl-4-pentenoic acid; 2-(2-Propenyl)-4-pentenoic acid; Allylpentenoic acid; NSC 66495; 2-Allylpent-4-enoic acid; 2-(Prop-2-en-1-yl)pent-4-enoic acid
EINECS	202-779-4

Quality Control

Our 2-Allyl-4-Pentenoic Acid is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and consistency. Certificates of Analysis (COA) documenting results for assay, related substances, and other critical parameters are available upon request, providing full traceability and quality assurance for your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen to maintain stability and purity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.460 - 1.470
Density (20°C)	0.98 - 1.02 g/mL

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