Description

1-Pentyn-3-ol is a versatile terminal alkyne alcohol, a bifunctional organic building block of significant interest in synthetic chemistry. Its unique structure, featuring both a hydroxyl group and a carbon-carbon triple bond, makes it a valuable precursor for constructing complex molecular architectures. This compound is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for applications ranging from drug discovery to material science.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring alkyne or propargylic alcohol motifs.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its reactive groups enable the introduction of specific functional properties.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis, facilitating various cross-coupling and cycloaddition reactions.
• Polymer and Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers, resins, and advanced materials with tailored properties.
• Organic Synthesis Building Block: A fundamental reagent for constructing complex organic molecules via Sonogashira coupling, click chemistry (azide-alkyne cycloaddition), and other alkyne-based transformations.
• Flavor and Fragrance Industry: Potential use in the synthesis of specific aroma compounds and fragrance ingredients due to its propargylic structure.

Basic Information

Item	Details
Product Name	1-Pentyn-3-ol
CAS No.	4187-86-4
Molecular Formula	C₅H₈O
Molecular Weight	84.12 g/mol
Synonyms	3-Pentyn-1-ol; Ethyl ethynyl carbinol; 1-Pentyn-3-ol; 3-Hydroxy-1-pentyne; Ethynyl ethyl carbinol; Pent-1-yn-3-ol; 1-Pentyne-3-ol
EINECS	224-073-4

Quality Control

Our 1-Pentyn-3-ol is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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