Description

4-Methyl-1-Pentyn-3-Ol is a versatile terminal alkyne alcohol with a unique branched structure. This compound serves as a valuable building block in organic synthesis, particularly for the construction of complex molecules via click chemistry and metal-catalyzed coupling reactions. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce functionalized alkyne motifs.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), especially in medicinal chemistry projects targeting new therapeutic agents.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents, herbicides, and fungicides.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, resins, and advanced materials with tailored properties.
• Organic Synthesis & Research: A fundamental reagent for Huisgen cycloaddition (click chemistry), Sonogashira coupling, and other alkyne-based transformations in academic and industrial R&D.
• Ligand & Catalyst Preparation: Useful for synthesizing specialized ligands for metal complexes used in homogeneous catalysis.
• Flavor & Fragrance Industry: Potential intermediate for creating specific aroma chemicals and flavor compounds.

Basic Information

Product Name	4-Methyl-1-Pentyn-3-Ol
CAS No.	565-68-4
Molecular Formula	C6H10O
Molecular Weight	98.14 g/mol
Synonyms	4-Methyl-1-pentyn-3-ol; 4-Methylpent-1-yn-3-ol; 1-Pentyn-3-ol, 4-methyl-; 3-Hydroxy-4-methyl-1-pentyne; 4-Methyl-3-hydroxy-1-pentyne; 3-Pentyn-2-ol, 4-methyl- (alternative IUPAC); Methylbutynol (common name)
EINECS	209-281-8

Quality Control

Our 4-Methyl-1-Pentyn-3-Ol is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment 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 place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.