Description

2-Butenoic Acid, Pentyl Ester, (2E)- is a high-purity ester derivative of 2-butenoic acid, valued for its role as a versatile chemical intermediate and flavor/fragrance component. Its specific molecular structure makes it a crucial building block for synthesizing more complex organic compounds and for imparting fruity, ester-like notes. This product is essential for manufacturers in the flavors and fragrances, pharmaceutical intermediates, and specialty chemical synthesis sectors seeking reliable, high-quality raw materials.

Application

• Flavor and Fragrance Ingredient: Used as a synthetic flavoring agent to impart fruity, apple, or wine-like notes in food products and beverages.
• Fragrance Compound: Serves as a component in the formulation of perfumes, cosmetics, and personal care products for its esteraceous aroma.
• Chemical Intermediate: Acts as a key building block in organic synthesis for the production of more complex esters, polymers, or active pharmaceutical ingredients (APIs).
• Plasticizer and Solvent Precursor: Utilized in the research and development of specialty plasticizers or high-boiling-point solvents for industrial applications.
• Research & Development: Employed in academic and industrial laboratories for chemical research, process development, and analytical method validation.

Basic Information

Product Name	2-Butenoic Acid, Pentyl Ester, (2E)-
CAS No.	6938-30-3
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	(E)-2-Butenoic Acid Pentyl Ester; (E)-Pentyl 2-Butenoate; trans-2-Butenoic Acid Pentyl Ester; trans-Pentyl Crotonate; Pentyl (E)-2-Butenoate; FEMA 3721; 2-Butenoic acid, pentyl ester, (E)-; Crotonic acid, pentyl ester, (E)-
EINECS	230-056-2

Quality Control

Our 2-Butenoic Acid, Pentyl Ester, (2E)- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for flavor, fragrance, and synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.425 - 1.435
Specific Gravity (20/20°C)	0.880 - 0.900
Water Content (KF)	≤ 0.5%

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