Description

trans-2-Hexenoic Acid CAS NO 1191-04-4 is a high-purity, unsaturated six-carbon fatty acid characterized by its specific trans-configuration at the double bond. This compound serves as a versatile and valuable chemical intermediate and flavor/fragrance building block due to its distinct organoleptic properties and reactive carboxylic acid functionality. It is primarily sought after by manufacturers in the flavor & fragrance (F&F), pharmaceutical, and specialty chemical synthesis industries for creating complex esters and other derivatives.

Application

• Flavor and Fragrance (F&F) Industry: A key ingredient for synthesizing esters that impart fresh, fruity, green, or waxy notes in perfumes, cosmetics, and food flavorings.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules, leveraging its unsaturated acid structure.
• Specialty Chemical Synthesis: Acts as a crucial building block for producing plasticizers, lubricant additives, and polymer modifiers.
• Agrochemicals: Employed in the research and development of pesticides and herbicides as a synthetic intermediate.
• Research & Development: Serves as a standard or reagent in organic chemistry research, catalysis studies, and material science.
• Food Additive Precursor: Used to manufacture flavoring agents and preservatives for the food and beverage industry.

Basic Information

Product Name	trans-2-Hexenoic Acid
CAS No.	1191-04-4
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	(E)-2-Hexenoic Acid; trans-2-Hexenoic Acid; (E)-Hex-2-enoic Acid; 2-trans-Hexenoic Acid; β-Propylacrylic Acid; 3-Propylacrylic Acid; (E)-2-Hexensäure (German); Acide (E)-2-hexénoïque (French)
EINECS	214-737-6

Quality Control

Our trans-2-Hexenoic Acid is produced and tested under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
trans-Isomer Content	≥ 99.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.445 - 1.455
Specific Gravity (20/4°C)	0.960 - 0.980

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