Trans-2-Hexenoic Acid
Cas No :
13419-69-7
Synonyms :
Form :
Liquid
Molecular Weight :
114.14 G/Mol
Molecular Formula :
C₆H₁₀O₂
Melting Point :
33–35 °C (Lit.)
Boiling Point :
217 °C
Solubility :
Insoluble In Water; Slightly Soluble In Chloroform, Methanol
Flash Point :
113 °C (Closed Cup)
Description :
The colorless to white crystalline solid or powder known as trans-2-Hexenoic Acid (also called (E)-2-hexenoic acid) has a strong, fruity, fatty, and slightly herbal smell. It has the molecular formula C₆H₁₀O₂ and is an unsaturated carboxylic acid with a double bond in the trans (E) configuration. This compound can be made in a lab or found naturally in the flavors of many fruits, vegetables, and essential oils. For example, it can be found in apples, bananas, guavas, vine leaves, and Japanese peppermint oil.
trans-2-Hexenoic Acid is widely used as a flavoring and fragrance agent, imparting a persistent, fruity, and herbal note that enhances the sensory qualities of food products and perfumes. In flavor formulations, it is utilized in a wide range of fruit profiles, often in combination with Hexanoic Acid, cis-3-Hexenol, and 2-Hexenal to recreate natural green and fruity aromas found in apples, bananas, guavas, and berries. In perfumery, it is valued for producing sharp, fresh, and slightly warm green or fatty notes useful in designing apple blossom, leafy, or fougère accords.
Trans-2-Hexenoic Acid is a valuable building block for making polymers and specialty chemicals. It helps make monomers, plasticizers, and copolymers that are more flexible, resistant, and able to form films. Its unsaturated structure makes it more reactive, which makes it a good choice for developing advanced materials along with esters like Hexyl Acetate.
The compound is examined as an intermediate in pharmaceutical synthesis, particularly in the development of dehydroepiandrosterone derivatives and phosphatase inhibitors, which exhibit potential antitumor and anti-inflammatory properties. Biochemical research utilizes trans-2-hexenoic acid to investigate metabolic pathways, enzyme functionality, and as a constituent in the synthesis of bioactive molecules pertinent to clinical development.
In agrochemicals, trans-2-Hexenoic Acid is being investigated in the development of herbicides, growth regulators, and pest repellents due to its natural occurrence and bioactive green note. Its pungent odor acts as a deterrent for certain pests, and research in environmental science uses it for studying plant communications and defense mechanisms against herbivory.
ChemicalBull supplies high-purity trans-2-hexenoic acid for flavor, fragrance, research, and specialty chemical sectors with batch documentation.
ChemicalBull provides bulk and specialty-scale delivery for food, fragrance, and technical applications, supported with full regulatory documentation.
Comprehensive safety, storage, environmental, and toxicity data are available by requesting the Material Safety Data Sheet (MSDS) from ChemicalBull.