Description

(E)-2-Penten-4-Yn-1-Ol CAS NO 35042-52-5 is a high-purity, unsaturated alcohol featuring both a carbon-carbon triple bond and a double bond in its structure, making it a versatile and reactive building block for advanced organic synthesis. This compound is valued for its role as a key chiral intermediate and a precursor for complex molecular architectures, enabling the creation of fine chemicals and active pharmaceutical ingredients (APIs). It is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific alkynyl and alkenyl functionalities.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral synthon in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators requiring specific unsaturated alcohol motifs.
• Ligand and Catalyst Development: Acts as a precursor for synthesizing specialized ligands used in asymmetric catalysis and transition metal complexes.
• Material Science Research: Employed in the development of novel polymers, dendrimers, and organic electronic materials due to its reactive functional groups.
• Flavor and Fragrance Chemistry: Utilized as a building block for creating complex aroma chemicals and natural product analogs.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic synthesis, including cross-coupling and cycloaddition reactions.

Basic Information

Product Name	(E)-2-Penten-4-Yn-1-Ol
CAS No.	35042-52-5
Molecular Formula	C5H6O
Molecular Weight	82.10 g/mol
Synonyms	(E)-Pent-2-en-4-yn-1-ol; 2-Penten-4-yn-1-ol, (E)-; (E)-2-Penten-4-yn-1-ol; trans-2-Penten-4-yn-1-ol; 4-Pentene-1-yn-3-ol; 1-Hydroxy-2-penten-4-yne; 2-Penten-4-yn-1-ol; 1-Penten-4-yn-3-ol
EINECS	Contact for details

Quality Control

Our (E)-2-Penten-4-Yn-1-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and isomeric integrity. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at a controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use and stored away from heat sources and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0% (Area %)
Isomeric Purity ((E)-isomer)	≥ 98.0% (by GC or HPLC)
Water Content (KF)	≤ 0.5%

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